Who Called Me from Area Code 773?
Quick answerA 773 call usually comes from Chicago or nearby communities, but caller ID can be spoofed, so a local-looking number isn’t proof. If there’s no voicemail, let it go: legitimate callers leave messages.
- No voicemail? Let it go. Real callers leave messages.
- Recognize the pattern? Check the number in the prefix lookup.
- Getting repeats? ActiveArmor® blocks and labels them automatically.
- Same prefix calling again? Compare it against this month’s most-reported 773 prefixes, right on this page.
- Curious who issued a number? Every 773 prefix belongs to a carrier — the registry names it.
Been targeted?Report the call at reportfraud.ftc.gov — reports feed the complaint data that powers spam blocking, including the board on this page. AT&T customers already have ActiveArmor® screening built in.
Most-reported 773 prefixes this month
PrefixReported patternReport volume
(773) 277-XXXXRobocall-heavy
(773) 666-XXXXRobocall-heavy
(773) 312-XXXXRobocall-heavy
(773) 446-XXXXRobocall-heavy
(773) 352-XXXXRobocall-heavy
222 unwanted-call reports naming 773 numbers in FTC Do Not Call complaint data, July 2–17, 2026. Consumer-reported and unverified.
Block spam calls in the 773, included with AT&T wireless
AT&T ActiveArmor® is the network-level security that screens the calls this page is about:
- Fraud calls blocked automatically on the network
- Suspected spam labeled before you answer
- Caller ID & custom call blocking in the free app
- Reverse number lookup (available with ActiveArmor Advanced security. Fee required.)
- Identity monitoring & identity theft insurance (available with ActiveArmor Advanced security. Fee required.)
Included with AT&T wireless plans. Requires compatible device/service and download of the AT&T ActiveArmor® app. Other terms & restrictions apply. May not detect all threats and may block wanted calls. Some features require Advanced mobile security ($7/mo.). See terms.
See how ActiveArmor worksIncluded with the free 30-day AT&T Wireless℠ trialTry AT&T Wireless℠ free for 30 daysDownload the AT&T app, activate a trial eSIM in minutes, and run our network side by side with your current service. No credit card, keep your number.
- 100GB of data plus 25GB hotspot
- Unlimited talk & text in the U.S., Canada and Mexico
- Texting from the U.S. to 200+ countries & territories
- Access to the AT&T 5G network
Offer details
Service good for 30 days. Data: Limited to 100GB of data and 25GB of hotspot data. No additional data is available after limit is reached. Video is limited to SD quality. Talk & Text: Includes unlimited talk & text within the U.S. and unlimited text from the U.S. to over 230 countries. Limits: One trial per user. An unlocked, dual eSIM iPhone is required. You’ll receive a trial phone number that belongs to AT&T and is not available to be ported to another carrier or otherwise retained. Trial plan features and details may differ from or be unavailable in other AT&T plans. U.S. only. All terms subject to change at any time.
Is Area Code 773 a Scam?
No. 773 is a legitimate Chicago area code.
It’s added to the 312 region in 1996 and serves Chicago and surrounding communities. But legitimacy of the code says nothing about any single call. Scammers spoof local numbers constantly.
The code is realAdded to the 312 region in 1996; 785 assigned carrier prefixes serve it today.
Spoofing happens“Neighbor spoofing” fakes local numbers. No voicemail? Let it go.
Screening includedActiveArmor® labels and blocks suspected spam. Included with AT&T wireless plans.
Been targeted? Report it to the FTC at reportfraud.ftc.gov. Reports feed the complaint data that powers spam blocking.
Scam texts from area code 773 numbers
The most common area code 773 text scam is the “wrong number” opener: a friendly message that pretends to know you, then moves the chat to WhatsApp and eventually to an investment pitch. Scripts currently circulating:
- “U at home?” · “Are you busy tomorrow?” · “How are you doing?”
- Delivery-problem and job-offer texts that link out to a login page
Don’t reply. A response marks your number as live. Forward scam texts to 7726 (SPAM), and AT&T ActiveArmor® filters known senders automatically.
How number spoofing works in area code 773
Caller ID is easy to forge. Spoofing fakes the number a call displays. The real owner of that 773 number isn’t involved and usually has no idea. That’s why blocking one number rarely stops the calls.
- A call from a number almost identical to yours (same 773 and prefix) is “mirror spoofing.” A missed call from your own number is never worth returning.
- Strangers calling you back saying you called them? Your 773 number is being spoofed. It typically passes within days, and you don’t need a new number. Report it at reportfraud.ftc.gov.
- The caller-ID checkmark: AT&T verifies network calls (STIR/SHAKEN). A verified mark means the displayed number wasn’t faked. No mark doesn’t always mean scam, but treat it with more caution.
Spoofed or not, the rule holds: unexpected caller, no voicemail? Let it go.
773 Area Code Prefix & Carrier Lookup
The three digits after the area code identify the carrier a number was issued to. All 785 assigned 773 prefixes below are real, from the public numbering registry. Type to filter.
This isn’t a reverse phone lookup: no legitimate free service can tell you who owns a specific number. What a 773 prefix does show: the carrier that issued it, whether it’s wireless, landline or VoIP, and the community it belongs to, which is often enough to judge whether a call was worth returning.
785 prefixes · updated monthly
| Prefix | Carrier | Line type |
|---|---|---|
| 773-200 | Five9 | Landline |
| 773-201 | Spok (paging) | Landline |
| 773-202 | AT&T Midwest (Illinois Bell) | Landline |
| 773-203 | AT&T Mobility | Wireless |
| 773-204 | AT&T (Teleport Communications) | Landline |
| 773-205 | AT&T Midwest (Illinois Bell) | Landline |
| 773-206 | AT&T Mobility | Wireless |
| 773-207 | Onvoy (Sinch) | VoIP |
| 773-208 | AT&T Mobility | Wireless |
| 773-209 | T-Mobile | Wireless |
| 773-210 | AT&T Midwest (Illinois Bell) | Landline |
| 773-212 | Spok (paging) | Landline |
| 773-213 | AT&T Mobility | Wireless |
| 773-214 | Spok (paging) | Landline |
| 773-215 | Spok (paging) | Landline |
| 773-216 | T-Mobile | Wireless |
| 773-217 | AT&T Mobility | Wireless |
| 773-218 | AT&T Mobility | Wireless |
| 773-219 | T-Mobile | Wireless |
| 773-220 | T-Mobile | Wireless |
| 773-221 | AT&T Midwest (Illinois Bell) | Landline |
| 773-222 | Spok (paging) | Landline |
| 773-223 | Spok (paging) | Landline |
| 773-224 | AT&T Midwest (Illinois Bell) | Landline |
| 773-225 | T-Mobile | Wireless |
| 773-226 | T-Mobile | Wireless |
| 773-227 | AT&T Midwest (Illinois Bell) | Landline |
| 773-228 | Spok (paging) | Landline |
| 773-229 | AT&T Midwest (Illinois Bell) | Landline |
| 773-230 | AT&T Mobility | Wireless |
| 773-231 | Lumen (Level 3) | VoIP |
| 773-232 | Onvoy (Sinch) | VoIP |
| 773-233 | AT&T Midwest (Illinois Bell) | Landline |
| 773-234 | Bandwidth.com | VoIP |
| 773-235 | AT&T Midwest (Illinois Bell) | Landline |
| 773-236 | T-Mobile | Wireless |
| 773-237 | AT&T Midwest (Illinois Bell) | Landline |
| 773-238 | AT&T Midwest (Illinois Bell) | Landline |
| 773-239 | AT&T Midwest (Illinois Bell) | Landline |
| 773-240 | T-Mobile | Wireless |
| 773-241 | AT&T Midwest (Illinois Bell) | Landline |
| 773-242 | AT&T Midwest (Illinois Bell) | Landline |
| 773-243 | Verizon Business (MCImetro) | Landline |
| 773-244 | AT&T Midwest (Illinois Bell) | Landline |
| 773-245 | Bandwidth.com | VoIP |
| 773-246 | Indiana Paging Network | Landline |
| 773-247 | AT&T Midwest (Illinois Bell) | Landline |
| 773-248 | AT&T Midwest (Illinois Bell) | Landline |
| 773-249 | Lumen (Level 3) | VoIP |
| 773-250 | Verizon Business (MCImetro) | Landline |
| 773-251 | AT&T Mobility | Wireless |
| 773-252 | AT&T Midwest (Illinois Bell) | Landline |
| 773-253 | AT&T (Teleport Communications) | Landline |
| 773-254 | AT&T Midwest (Illinois Bell) | Landline |
| 773-255 | AT&T Mobility | Wireless |
| 773-256 | AT&T Midwest (Illinois Bell) | Landline |
| 773-257 | AT&T Midwest (Illinois Bell) | Landline |
| 773-258 | Spok (paging) | Landline |
| 773-259 | AT&T Mobility | Wireless |
| 773-260 | AT&T Midwest (Illinois Bell) | Landline |
| 773-261 | AT&T Midwest (Illinois Bell) | Landline |
| 773-262 | AT&T Midwest (Illinois Bell) | Landline |
| 773-263 | T-Mobile | Wireless |
| 773-264 | AT&T Midwest (Illinois Bell) | Landline |
| 773-265 | AT&T Midwest (Illinois Bell) | Landline |
| 773-266 | AT&T Mobility | Wireless |
| 773-267 | AT&T Midwest (Illinois Bell) | Landline |
| 773-268 | AT&T Midwest (Illinois Bell) | Landline |
| 773-269 | AT&T (Teleport Communications) | Landline |
| 773-270 | Metro by T-Mobile (MetroPCS) | Wireless |
| 773-271 | AT&T Midwest (Illinois Bell) | Landline |
| 773-272 | Verizon Business (MCImetro) | Landline |
| 773-273 | AT&T Midwest (Illinois Bell) | Landline |
| 773-274 | AT&T Midwest (Illinois Bell) | Landline |
| 773-275 | AT&T Midwest (Illinois Bell) | Landline |
| 773-276 | AT&T Midwest (Illinois Bell) | Landline |
| 773-277 | AT&T Midwest (Illinois Bell) | Landline |
| 773-278 | AT&T Midwest (Illinois Bell) | Landline |
| 773-279 | AT&T Midwest (Illinois Bell) | Landline |
| 773-280 | T-Mobile | Wireless |
| 773-281 | AT&T Midwest (Illinois Bell) | Landline |
| 773-282 | AT&T Midwest (Illinois Bell) | Landline |
| 773-283 | AT&T Midwest (Illinois Bell) | Landline |
| 773-284 | AT&T Midwest (Illinois Bell) | Landline |
| 773-285 | AT&T Midwest (Illinois Bell) | Landline |
| 773-286 | AT&T Midwest (Illinois Bell) | Landline |
| 773-287 | AT&T Midwest (Illinois Bell) | Landline |
| 773-288 | AT&T Midwest (Illinois Bell) | Landline |
| 773-289 | Verizon Business (MCImetro) | Landline |
| 773-290 | Lumen (Level 3) | VoIP |
| 773-291 | AT&T Midwest (Illinois Bell) | Landline |
| 773-292 | AT&T Midwest (Illinois Bell) | Landline |
| 773-293 | AT&T Midwest (Illinois Bell) | Landline |
| 773-294 | AT&T Mobility | Wireless |
| 773-295 | Verizon Business (MCImetro) | Landline |
| 773-296 | AT&T Midwest (Illinois Bell) | Landline |
| 773-297 | T-Mobile | Wireless |
| 773-298 | AT&T Midwest (Illinois Bell) | Landline |
| 773-299 | Verizon Business (MCImetro) | Landline |
| 773-300 | Onvoy (Sinch) | VoIP |
| 773-301 | T-Mobile | Wireless |
| 773-302 | T-Mobile | Wireless |
| 773-303 | Verizon Business (MCImetro) | Landline |
| 773-304 | Verizon Business (MCImetro) | Landline |
| 773-305 | Verizon Business (MCImetro) | Landline |
| 773-306 | AT&T (Teleport Communications) | Landline |
| 773-307 | AT&T Mobility | Wireless |
| 773-308 | First Communications | Landline |
| 773-309 | Windstream (Paetec) | Landline |
| 773-310 | T-Mobile | Wireless |
| 773-312 | T-Mobile | Wireless |
| 773-313 | Verizon Business (MCImetro) | Landline |
| 773-314 | Verizon Business (MCImetro) | Landline |
| 773-315 | AT&T Mobility | Wireless |
| 773-316 | AT&T Mobility | Wireless |
| 773-317 | T-Mobile | Wireless |
| 773-318 | Verizon Wireless | Wireless |
| 773-319 | T-Mobile | Wireless |
| 773-320 | AT&T Mobility | Wireless |
| 773-321 | Lumen (Level 3) | VoIP |
| 773-322 | T-Mobile | Wireless |
| 773-323 | American Messaging (paging) | Landline |
| 773-324 | AT&T Midwest (Illinois Bell) | Landline |
| 773-325 | AT&T Midwest (Illinois Bell) | Landline |
| 773-326 | Lumen (Level 3) | VoIP |
| 773-327 | AT&T Midwest (Illinois Bell) | Landline |
| 773-328 | First Communications | Landline |
| 773-329 | AT&T (Teleport Communications) | Landline |
| 773-330 | AT&T Mobility | Wireless |
| 773-331 | T-Mobile | Wireless |
| 773-332 | Verizon Wireless | Wireless |
| 773-333 | American Messaging (paging) | Landline |
| 773-334 | AT&T Midwest (Illinois Bell) | Landline |
| 773-335 | AT&T Mobility | Wireless |
| 773-336 | First Communications | Landline |
| 773-337 | Verizon Business (MCImetro) | Landline |
| 773-338 | AT&T Midwest (Illinois Bell) | Landline |
| 773-339 | Verizon Wireless | Wireless |
| 773-340 | Onvoy (Sinch) | VoIP |
| 773-341 | First Communications | Landline |
| 773-342 | AT&T Midwest (Illinois Bell) | Landline |
| 773-343 | Verizon Wireless | Wireless |
| 773-344 | Verizon Business (MCImetro) | Landline |
| 773-345 | Verizon Business (MCImetro) | Landline |
| 773-346 | Verizon Business (MCImetro) | Landline |
| 773-347 | Verizon Business (MCImetro) | Landline |
| 773-348 | AT&T Midwest (Illinois Bell) | Landline |
| 773-349 | Verizon Business (MCImetro) | Landline |
| 773-350 | Verizon Wireless | Wireless |
| 773-351 | AT&T Mobility | Wireless |
| 773-352 | Onvoy (Sinch) | VoIP |
| 773-353 | Lumen (Level 3) | VoIP |
| 773-354 | T-Mobile | Wireless |
| 773-355 | Windstream (Paetec) | Landline |
| 773-356 | AT&T Midwest (Illinois Bell) | Landline |
| 773-357 | First Communications | Landline |
| 773-358 | Verizon Business (MCImetro) | Landline |
| 773-359 | Verizon Business (MCImetro) | Landline |
| 773-360 | Lumen (Level 3) | VoIP |
| 773-361 | AT&T Midwest (Illinois Bell) | Landline |
| 773-362 | Windstream (Paetec) | Landline |
| 773-363 | AT&T Midwest (Illinois Bell) | Landline |
| 773-364 | Windstream (Paetec) | Landline |
| 773-365 | Verizon Business (MCImetro) | Landline |
| 773-366 | T-Mobile | Wireless |
| 773-367 | T-Mobile | Wireless |
| 773-368 | T-Mobile | Wireless |
| 773-369 | AT&T Mobility | Wireless |
| 773-370 | T-Mobile | Wireless |
| 773-371 | AT&T Midwest (Illinois Bell) | Landline |
| 773-372 | Verizon Wireless | Wireless |
| 773-373 | AT&T Midwest (Illinois Bell) | Landline |
| 773-374 | AT&T Midwest (Illinois Bell) | Landline |
| 773-375 | AT&T Midwest (Illinois Bell) | Landline |
| 773-376 | AT&T Midwest (Illinois Bell) | Landline |
| 773-377 | AT&T (Teleport Communications) | Landline |
| 773-378 | AT&T Midwest (Illinois Bell) | Landline |
| 773-379 | AT&T Midwest (Illinois Bell) | Landline |
| 773-380 | AT&T Midwest (Illinois Bell) | Landline |
| 773-381 | AT&T Midwest (Illinois Bell) | Landline |
| 773-382 | Windstream (Paetec) | Landline |
| 773-383 | AT&T Mobility | Wireless |
| 773-384 | AT&T Midwest (Illinois Bell) | Landline |
| 773-385 | AT&T Midwest (Illinois Bell) | Landline |
| 773-386 | T-Mobile | Wireless |
| 773-387 | T-Mobile | Wireless |
| 773-388 | AT&T Midwest (Illinois Bell) | Landline |
| 773-389 | Bandwidth.com | VoIP |
| 773-390 | Verizon Wireless | Wireless |
| 773-391 | AT&T Mobility | Wireless |
| 773-392 | T-Mobile | Wireless |
| 773-393 | Spok (paging) | Landline |
| 773-394 | AT&T Midwest (Illinois Bell) | Landline |
| 773-395 | AT&T Midwest (Illinois Bell) | Landline |
| 773-396 | Windstream (Paetec) | Landline |
| 773-397 | AT&T Mobility | Wireless |
| 773-398 | T-Mobile | Wireless |
| 773-399 | AT&T Midwest (Illinois Bell) | Landline |
| 773-400 | American Messaging (paging) | Landline |
| 773-401 | AT&T Mobility | Wireless |
| 773-402 | AT&T Mobility | Wireless |
| 773-403 | T-Mobile | Wireless |
| 773-404 | AT&T Midwest (Illinois Bell) | Landline |
| 773-405 | Verizon Wireless | Wireless |
| 773-406 | T-Mobile | Wireless |
| 773-407 | T-Mobile | Wireless |
| 773-408 | T-Mobile | Wireless |
| 773-409 | AT&T (Teleport Communications) | Landline |
| 773-410 | T-Mobile | Wireless |
| 773-412 | T-Mobile | Wireless |
| 773-413 | AT&T (Teleport Communications) | Landline |
| 773-414 | T-Mobile | Wireless |
| 773-415 | Verizon Wireless | Wireless |
| 773-416 | T-Mobile | Wireless |
| 773-417 | Comcast (Xfinity Voice) | VoIP |
| 773-418 | T-Mobile | Wireless |
| 773-419 | T-Mobile | Wireless |
| 773-420 | AT&T (Teleport Communications) | Landline |
| 773-421 | Verizon Wireless | Wireless |
| 773-422 | Verizon Wireless | Wireless |
| 773-423 | Verizon Business (MCImetro) | Landline |
| 773-424 | AT&T (Teleport Communications) | Landline |
| 773-425 | T-Mobile | Wireless |
| 773-426 | T-Mobile | Wireless |
| 773-427 | AT&T Midwest (Illinois Bell) | Landline |
| 773-428 | AT&T Mobility | Wireless |
| 773-429 | AT&T Midwest (Illinois Bell) | Landline |
| 773-430 | T-Mobile | Wireless |
| 773-431 | AT&T Mobility | Wireless |
| 773-432 | First Communications | Landline |
| 773-433 | T-Mobile | Wireless |
| 773-434 | AT&T Midwest (Illinois Bell) | Landline |
| 773-435 | Verizon Business (MCImetro) | Landline |
| 773-436 | AT&T Midwest (Illinois Bell) | Landline |
| 773-437 | AT&T (Teleport Communications) | Landline |
| 773-438 | Spok (paging) | Landline |
| 773-439 | RCN (Astound) | Landline |
| 773-440 | Metro by T-Mobile (MetroPCS) | Wireless |
| 773-441 | AT&T Mobility | Wireless |
| 773-442 | Verizon Business (MCImetro) | Landline |
| 773-443 | T-Mobile | Wireless |
| 773-444 | AT&T Midwest (Illinois Bell) | Landline |
| 773-445 | AT&T Midwest (Illinois Bell) | Landline |
| 773-446 | Lumen (Level 3) | VoIP |
| 773-447 | T-Mobile | Wireless |
| 773-448 | Onvoy (Sinch) | VoIP |
| 773-449 | RCN (Astound) | Landline |
| 773-450 | AT&T Mobility | Wireless |
| 773-451 | AT&T Midwest (Illinois Bell) | Landline |
| 773-452 | Verizon Wireless | Wireless |
| 773-453 | Verizon Business (MCImetro) | Landline |
| 773-454 | T-Mobile | Wireless |
| 773-455 | Verizon Business (MCImetro) | Landline |
| 773-456 | AT&T Mobility | Wireless |
| 773-457 | T-Mobile | Wireless |
| 773-458 | Verizon Business (MCImetro) | Landline |
| 773-459 | T-Mobile | Wireless |
| 773-461 | T-Mobile | Wireless |
| 773-462 | AT&T Midwest (Illinois Bell) | Landline |
| 773-463 | AT&T Midwest (Illinois Bell) | Landline |
| 773-464 | Spok (paging) | Landline |
| 773-465 | AT&T Midwest (Illinois Bell) | Landline |
| 773-466 | Verizon Business (MCImetro) | Landline |
| 773-467 | AT&T Midwest (Illinois Bell) | Landline |
| 773-468 | AT&T Midwest (Illinois Bell) | Landline |
| 773-469 | T-Mobile | Wireless |
| 773-470 | Verizon Business (MCImetro) | Landline |
| 773-471 | AT&T Midwest (Illinois Bell) | Landline |
| 773-472 | AT&T Midwest (Illinois Bell) | Landline |
| 773-473 | AT&T Midwest (Illinois Bell) | Landline |
| 773-474 | Windstream (Paetec) | Landline |
| 773-475 | AT&T (Teleport Communications) | Landline |
| 773-476 | AT&T Midwest (Illinois Bell) | Landline |
| 773-477 | AT&T Midwest (Illinois Bell) | Landline |
| 773-478 | AT&T Midwest (Illinois Bell) | Landline |
| 773-479 | AT&T Midwest (Illinois Bell) | Landline |
| 773-480 | AT&T Mobility | Wireless |
| 773-481 | AT&T Midwest (Illinois Bell) | Landline |
| 773-482 | Windstream (Paetec) | Landline |
| 773-483 | AT&T Midwest (Illinois Bell) | Landline |
| 773-484 | Verizon Wireless | Wireless |
| 773-485 | Verizon Wireless | Wireless |
| 773-486 | AT&T Midwest (Illinois Bell) | Landline |
| 773-487 | AT&T Midwest (Illinois Bell) | Landline |
| 773-488 | AT&T Midwest (Illinois Bell) | Landline |
| 773-489 | AT&T Midwest (Illinois Bell) | Landline |
| 773-490 | AT&T Mobility | Wireless |
| 773-491 | T-Mobile | Wireless |
| 773-492 | Bandwidth.com | VoIP |
| 773-493 | AT&T Midwest (Illinois Bell) | Landline |
| 773-494 | T-Mobile | Wireless |
| 773-495 | T-Mobile | Wireless |
| 773-496 | Windstream (Paetec) | Landline |
| 773-497 | Verizon Wireless | Wireless |
| 773-498 | AT&T (Teleport Communications) | Landline |
| 773-499 | T-Mobile | Wireless |
| 773-500 | Onvoy (Sinch) | VoIP |
| 773-501 | T-Mobile | Wireless |
| 773-502 | Verizon Wireless | Wireless |
| 773-503 | T-Mobile | Wireless |
| 773-504 | AT&T Mobility | Wireless |
| 773-505 | Verizon Wireless | Wireless |
| 773-506 | AT&T Midwest (Illinois Bell) | Landline |
| 773-507 | T-Mobile | Wireless |
| 773-508 | AT&T Midwest (Illinois Bell) | Landline |
| 773-509 | AT&T Midwest (Illinois Bell) | Landline |
| 773-510 | T-Mobile | Wireless |
| 773-512 | T-Mobile | Wireless |
| 773-513 | AT&T Mobility | Wireless |
| 773-514 | AT&T Mobility | Wireless |
| 773-515 | Verizon Wireless | Wireless |
| 773-516 | Peerless Network | VoIP |
| 773-517 | T-Mobile | Wireless |
| 773-518 | Verizon Wireless | Wireless |
| 773-519 | Verizon Wireless | Wireless |
| 773-520 | Verizon Wireless | Wireless |
| 773-521 | AT&T Midwest (Illinois Bell) | Landline |
| 773-522 | AT&T Midwest (Illinois Bell) | Landline |
| 773-523 | AT&T Midwest (Illinois Bell) | Landline |
| 773-524 | Lumen (Level 3) | VoIP |
| 773-525 | AT&T Midwest (Illinois Bell) | Landline |
| 773-526 | Windstream (Paetec) | Landline |
| 773-527 | Lumen (Level 3) | VoIP |
| 773-528 | AT&T Midwest (Illinois Bell) | Landline |
| 773-529 | AT&T Midwest (Illinois Bell) | Landline |
| 773-530 | Comcast (Xfinity Voice) | VoIP |
| 773-531 | T-Mobile | Wireless |
| 773-532 | AT&T Mobility | Wireless |
| 773-533 | AT&T Midwest (Illinois Bell) | Landline |
| 773-534 | AT&T Midwest (Illinois Bell) | Landline |
| 773-535 | AT&T Midwest (Illinois Bell) | Landline |
| 773-536 | AT&T Midwest (Illinois Bell) | Landline |
| 773-537 | First Communications | Landline |
| 773-538 | AT&T Midwest (Illinois Bell) | Landline |
| 773-539 | AT&T Midwest (Illinois Bell) | Landline |
| 773-540 | T-Mobile | Wireless |
| 773-541 | Lumen (Level 3) | VoIP |
| 773-542 | AT&T Midwest (Illinois Bell) | Landline |
| 773-543 | T-Mobile | Wireless |
| 773-544 | T-Mobile | Wireless |
| 773-545 | AT&T Midwest (Illinois Bell) | Landline |
| 773-546 | AT&T Midwest (Illinois Bell) | Landline |
| 773-547 | AT&T Mobility | Wireless |
| 773-548 | AT&T Midwest (Illinois Bell) | Landline |
| 773-549 | AT&T Midwest (Illinois Bell) | Landline |
| 773-550 | Verizon Wireless | Wireless |
| 773-551 | AT&T Mobility | Wireless |
| 773-552 | T-Mobile | Wireless |
| 773-553 | AT&T Midwest (Illinois Bell) | Landline |
| 773-554 | T-Mobile | Wireless |
| 773-556 | T-Mobile | Wireless |
| 773-557 | Windstream (Paetec) | Landline |
| 773-558 | Verizon Wireless | Wireless |
| 773-559 | T-Mobile | Wireless |
| 773-560 | AT&T (Teleport Communications) | Landline |
| 773-561 | AT&T Midwest (Illinois Bell) | Landline |
| 773-562 | T-Mobile | Wireless |
| 773-563 | T-Mobile | Wireless |
| 773-564 | AT&T (Teleport Communications) | Landline |
| 773-565 | First Communications | Landline |
| 773-566 | Spok (paging) | Landline |
| 773-567 | Metro by T-Mobile (MetroPCS) | Wireless |
| 773-568 | AT&T Midwest (Illinois Bell) | Landline |
| 773-569 | AT&T Midwest (Illinois Bell) | Landline |
| 773-570 | Lumen (Level 3) | VoIP |
| 773-571 | Verizon Wireless | Wireless |
| 773-572 | Lumen (Level 3) | VoIP |
| 773-573 | Verizon Wireless | Wireless |
| 773-574 | T-Mobile | Wireless |
| 773-575 | AT&T Mobility | Wireless |
| 773-576 | AT&T Mobility | Wireless |
| 773-577 | Windstream (Paetec) | Landline |
| 773-578 | AT&T Mobility | Wireless |
| 773-579 | AT&T Midwest (Illinois Bell) | Landline |
| 773-580 | AT&T Mobility | Wireless |
| 773-581 | AT&T Midwest (Illinois Bell) | Landline |
| 773-582 | AT&T Midwest (Illinois Bell) | Landline |
| 773-583 | AT&T Midwest (Illinois Bell) | Landline |
| 773-584 | Verizon Business (MCImetro) | Landline |
| 773-585 | AT&T Midwest (Illinois Bell) | Landline |
| 773-586 | AT&T Midwest (Illinois Bell) | Landline |
| 773-587 | T-Mobile | Wireless |
| 773-588 | AT&T Midwest (Illinois Bell) | Landline |
| 773-589 | AT&T Midwest (Illinois Bell) | Landline |
| 773-590 | Verizon Wireless | Wireless |
| 773-591 | AT&T Midwest (Illinois Bell) | Landline |
| 773-592 | T-Mobile | Wireless |
| 773-593 | T-Mobile | Wireless |
| 773-594 | AT&T Midwest (Illinois Bell) | Landline |
| 773-595 | T-Mobile | Wireless |
| 773-596 | Windstream (Paetec) | Landline |
| 773-597 | First Communications | Landline |
| 773-598 | Verizon Business (MCImetro) | Landline |
| 773-599 | Onvoy (Sinch) | VoIP |
| 773-600 | T-Mobile | Wireless |
| 773-601 | AT&T Midwest (Illinois Bell) | Landline |
| 773-602 | AT&T Midwest (Illinois Bell) | Landline |
| 773-603 | T-Mobile | Wireless |
| 773-604 | AT&T Midwest (Illinois Bell) | Landline |
| 773-605 | First Communications | Landline |
| 773-606 | T-Mobile | Wireless |
| 773-607 | AT&T Mobility | Wireless |
| 773-608 | AT&T Mobility | Wireless |
| 773-609 | Onvoy (Sinch) | VoIP |
| 773-610 | AT&T Mobility | Wireless |
| 773-612 | AT&T Mobility | Wireless |
| 773-613 | AT&T Mobility | Wireless |
| 773-614 | T-Mobile | Wireless |
| 773-615 | T-Mobile | Wireless |
| 773-616 | T-Mobile | Wireless |
| 773-617 | T-Mobile | Wireless |
| 773-618 | AT&T Mobility | Wireless |
| 773-619 | T-Mobile | Wireless |
| 773-620 | AT&T Mobility | Wireless |
| 773-621 | T-Mobile | Wireless |
| 773-622 | AT&T Midwest (Illinois Bell) | Landline |
| 773-623 | AT&T Mobility | Wireless |
| 773-624 | AT&T Midwest (Illinois Bell) | Landline |
| 773-625 | AT&T Midwest (Illinois Bell) | Landline |
| 773-626 | AT&T Midwest (Illinois Bell) | Landline |
| 773-627 | Windstream (Paetec) | Landline |
| 773-628 | AT&T (Teleport Communications) | Landline |
| 773-629 | T-Mobile | Wireless |
| 773-630 | AT&T Mobility | Wireless |
| 773-631 | AT&T Midwest (Illinois Bell) | Landline |
| 773-632 | Verizon Business (MCImetro) | Landline |
| 773-633 | Verizon Wireless | Wireless |
| 773-634 | Verizon Business (MCImetro) | Landline |
| 773-635 | Lumen (Level 3) | VoIP |
| 773-636 | Verizon Wireless | Wireless |
| 773-637 | AT&T Midwest (Illinois Bell) | Landline |
| 773-638 | AT&T Midwest (Illinois Bell) | Landline |
| 773-639 | T-Mobile | Wireless |
| 773-640 | Windstream (Paetec) | Landline |
| 773-641 | T-Mobile | Wireless |
| 773-642 | T-Mobile | Wireless |
| 773-643 | AT&T Midwest (Illinois Bell) | Landline |
| 773-644 | AT&T (Teleport Communications) | Landline |
| 773-645 | AT&T Midwest (Illinois Bell) | Landline |
| 773-646 | AT&T Midwest (Illinois Bell) | Landline |
| 773-647 | T-Mobile | Wireless |
| 773-648 | Windstream (Paetec) | Landline |
| 773-649 | Windstream (Paetec) | Landline |
| 773-650 | AT&T Midwest (Illinois Bell) | Landline |
| 773-651 | AT&T Midwest (Illinois Bell) | Landline |
| 773-652 | Spok (paging) | Landline |
| 773-653 | Windstream (Paetec) | Landline |
| 773-654 | Windstream (Paetec) | Landline |
| 773-655 | T-Mobile | Wireless |
| 773-656 | T-Mobile | Wireless |
| 773-657 | T-Mobile | Wireless |
| 773-658 | AT&T Mobility | Wireless |
| 773-659 | AT&T Mobility | Wireless |
| 773-660 | AT&T Midwest (Illinois Bell) | Landline |
| 773-661 | Windstream (Paetec) | Landline |
| 773-662 | Verizon Wireless | Wireless |
| 773-663 | T-Mobile | Wireless |
| 773-664 | Windstream (Paetec) | Landline |
| 773-665 | AT&T Midwest (Illinois Bell) | Landline |
| 773-666 | Bandwidth.com | VoIP |
| 773-667 | AT&T Midwest (Illinois Bell) | Landline |
| 773-668 | Lumen (Level 3) | VoIP |
| 773-669 | Bandwidth.com | VoIP |
| 773-670 | AT&T Mobility | Wireless |
| 773-671 | T-Mobile | Wireless |
| 773-672 | T-Mobile | Wireless |
| 773-673 | Windstream (Paetec) | Landline |
| 773-674 | AT&T Midwest (Illinois Bell) | Landline |
| 773-675 | Verizon Wireless | Wireless |
| 773-676 | AT&T (Teleport Communications) | Landline |
| 773-677 | AT&T Mobility | Wireless |
| 773-678 | T-Mobile | Wireless |
| 773-679 | T-Mobile | Wireless |
| 773-680 | AT&T Mobility | Wireless |
| 773-681 | Verizon Business (MCImetro) | Landline |
| 773-682 | Verizon Wireless | Wireless |
| 773-683 | AT&T Mobility | Wireless |
| 773-684 | AT&T Midwest (Illinois Bell) | Landline |
| 773-685 | AT&T Midwest (Illinois Bell) | Landline |
| 773-686 | AT&T Midwest (Illinois Bell) | Landline |
| 773-687 | AT&T (Teleport Communications) | Landline |
| 773-688 | RCN (Astound) | Landline |
| 773-689 | Verizon Wireless | Wireless |
| 773-690 | T-Mobile | Wireless |
| 773-691 | T-Mobile | Wireless |
| 773-692 | Onvoy (Sinch) | VoIP |
| 773-693 | AT&T Midwest (Illinois Bell) | Landline |
| 773-694 | AT&T Midwest (Illinois Bell) | Landline |
| 773-695 | AT&T Midwest (Illinois Bell) | Landline |
| 773-696 | Windstream (Paetec) | Landline |
| 773-697 | Windstream (Paetec) | Landline |
| 773-698 | T-Mobile | Wireless |
| 773-699 | T-Mobile | Wireless |
| 773-701 | T-Mobile | Wireless |
| 773-702 | AT&T Midwest (Illinois Bell) | Landline |
| 773-703 | AT&T Mobility | Wireless |
| 773-704 | T-Mobile | Wireless |
| 773-705 | Verizon Wireless | Wireless |
| 773-706 | Verizon Wireless | Wireless |
| 773-707 | AT&T Mobility | Wireless |
| 773-708 | AT&T Mobility | Wireless |
| 773-709 | AT&T Mobility | Wireless |
| 773-710 | AT&T Mobility | Wireless |
| 773-712 | AT&T Mobility | Wireless |
| 773-713 | American Messaging (paging) | Landline |
| 773-714 | AT&T Midwest (Illinois Bell) | Landline |
| 773-715 | T-Mobile | Wireless |
| 773-716 | T-Mobile | Wireless |
| 773-717 | Verizon Wireless | Wireless |
| 773-718 | Verizon Wireless | Wireless |
| 773-719 | T-Mobile | Wireless |
| 773-720 | Verizon Wireless | Wireless |
| 773-721 | AT&T Midwest (Illinois Bell) | Landline |
| 773-722 | AT&T Midwest (Illinois Bell) | Landline |
| 773-723 | AT&T Midwest (Illinois Bell) | Landline |
| 773-724 | Verizon Wireless | Wireless |
| 773-725 | AT&T Midwest (Illinois Bell) | Landline |
| 773-726 | Windstream (Paetec) | Landline |
| 773-727 | T-Mobile | Wireless |
| 773-728 | AT&T Midwest (Illinois Bell) | Landline |
| 773-729 | Windstream (Paetec) | Landline |
| 773-730 | AT&T Midwest (Illinois Bell) | Landline |
| 773-731 | AT&T Midwest (Illinois Bell) | Landline |
| 773-732 | T-Mobile | Wireless |
| 773-733 | Windstream (Paetec) | Landline |
| 773-734 | AT&T Midwest (Illinois Bell) | Landline |
| 773-735 | AT&T Midwest (Illinois Bell) | Landline |
| 773-736 | AT&T Midwest (Illinois Bell) | Landline |
| 773-737 | AT&T Midwest (Illinois Bell) | Landline |
| 773-738 | T-Mobile | Wireless |
| 773-739 | T-Mobile | Wireless |
| 773-740 | Onvoy (Sinch) | VoIP |
| 773-741 | AT&T Midwest (Illinois Bell) | Landline |
| 773-742 | T-Mobile | Wireless |
| 773-743 | AT&T Midwest (Illinois Bell) | Landline |
| 773-744 | T-Mobile | Wireless |
| 773-745 | AT&T Midwest (Illinois Bell) | Landline |
| 773-746 | T-Mobile | Wireless |
| 773-747 | T-Mobile | Wireless |
| 773-748 | Indiana Paging Network | Landline |
| 773-749 | T-Mobile | Wireless |
| 773-750 | AT&T Mobility | Wireless |
| 773-751 | Verizon Business (MCImetro) | Landline |
| 773-752 | AT&T Midwest (Illinois Bell) | Landline |
| 773-753 | AT&T Midwest (Illinois Bell) | Landline |
| 773-754 | Comcast (Xfinity Voice) | VoIP |
| 773-755 | AT&T Midwest (Illinois Bell) | Landline |
| 773-756 | Verizon Business (MCImetro) | Landline |
| 773-757 | AT&T (Teleport Communications) | Landline |
| 773-758 | Verizon Wireless | Wireless |
| 773-759 | T-Mobile | Wireless |
| 773-760 | Verizon Wireless | Wireless |
| 773-761 | AT&T Midwest (Illinois Bell) | Landline |
| 773-762 | AT&T Midwest (Illinois Bell) | Landline |
| 773-763 | AT&T Midwest (Illinois Bell) | Landline |
| 773-764 | AT&T Midwest (Illinois Bell) | Landline |
| 773-765 | AT&T (Teleport Communications) | Landline |
| 773-766 | Verizon Wireless | Wireless |
| 773-767 | AT&T Midwest (Illinois Bell) | Landline |
| 773-768 | AT&T Midwest (Illinois Bell) | Landline |
| 773-769 | AT&T Midwest (Illinois Bell) | Landline |
| 773-770 | Windstream (Paetec) | Landline |
| 773-771 | Verizon Wireless | Wireless |
| 773-772 | AT&T Midwest (Illinois Bell) | Landline |
| 773-773 | Onvoy Spectrum (Sinch) | VoIP |
| 773-774 | AT&T Midwest (Illinois Bell) | Landline |
| 773-775 | AT&T Midwest (Illinois Bell) | Landline |
| 773-776 | AT&T Midwest (Illinois Bell) | Landline |
| 773-777 | AT&T Midwest (Illinois Bell) | Landline |
| 773-778 | AT&T Midwest (Illinois Bell) | Landline |
| 773-779 | AT&T Midwest (Illinois Bell) | Landline |
| 773-780 | T-Mobile | Wireless |
| 773-781 | American Messaging (paging) | Landline |
| 773-782 | AT&T Midwest (Illinois Bell) | Landline |
| 773-783 | AT&T Midwest (Illinois Bell) | Landline |
| 773-784 | AT&T Midwest (Illinois Bell) | Landline |
| 773-785 | AT&T Midwest (Illinois Bell) | Landline |
| 773-786 | Windstream (Paetec) | Landline |
| 773-787 | Verizon Business (MCImetro) | Landline |
| 773-788 | AT&T Midwest (Illinois Bell) | Landline |
| 773-789 | RCN (Astound) | Landline |
| 773-790 | Lumen (Level 3) | VoIP |
| 773-791 | AT&T Mobility | Wireless |
| 773-792 | AT&T Midwest (Illinois Bell) | Landline |
| 773-793 | T-Mobile | Wireless |
| 773-794 | AT&T Midwest (Illinois Bell) | Landline |
| 773-795 | AT&T Midwest (Illinois Bell) | Landline |
| 773-796 | Lumen (Level 3) | VoIP |
| 773-797 | Lumen (Level 3) | VoIP |
| 773-798 | Verizon Wireless | Wireless |
| 773-799 | Verizon Business (MCImetro) | Landline |
| 773-800 | Lumen (Level 3) | VoIP |
| 773-801 | AT&T Midwest (Illinois Bell) | Landline |
| 773-802 | Verizon Wireless | Wireless |
| 773-803 | T-Mobile | Wireless |
| 773-804 | AT&T Midwest (Illinois Bell) | Landline |
| 773-805 | Verizon Wireless | Wireless |
| 773-806 | AT&T Mobility | Wireless |
| 773-807 | T-Mobile | Wireless |
| 773-808 | T-Mobile | Wireless |
| 773-809 | T-Mobile | Wireless |
| 773-810 | AT&T Mobility | Wireless |
| 773-812 | AT&T Mobility | Wireless |
| 773-813 | AT&T Mobility | Wireless |
| 773-814 | T-Mobile | Wireless |
| 773-815 | AT&T Mobility | Wireless |
| 773-816 | T-Mobile | Wireless |
| 773-817 | T-Mobile | Wireless |
| 773-818 | T-Mobile | Wireless |
| 773-819 | Onvoy (Sinch) | VoIP |
| 773-820 | AT&T Mobility | Wireless |
| 773-821 | AT&T Midwest (Illinois Bell) | Landline |
| 773-822 | T-Mobile | Wireless |
| 773-823 | AT&T (Teleport Communications) | Landline |
| 773-824 | AT&T (Teleport Communications) | Landline |
| 773-825 | AT&T Midwest (Illinois Bell) | Landline |
| 773-826 | AT&T Midwest (Illinois Bell) | Landline |
| 773-827 | T-Mobile | Wireless |
| 773-828 | Lumen (Level 3) | VoIP |
| 773-829 | Lumen (Level 3) | VoIP |
| 773-830 | Verizon Business (MCImetro) | Landline |
| 773-831 | Lumen (Level 3) | VoIP |
| 773-832 | AT&T Midwest (Illinois Bell) | Landline |
| 773-833 | Verizon Wireless | Wireless |
| 773-834 | AT&T Midwest (Illinois Bell) | Landline |
| 773-835 | Verizon Wireless | Wireless |
| 773-836 | AT&T Midwest (Illinois Bell) | Landline |
| 773-837 | T-Mobile | Wireless |
| 773-838 | AT&T Midwest (Illinois Bell) | Landline |
| 773-839 | Onvoy (Sinch) | VoIP |
| 773-840 | Windstream (Paetec) | Landline |
| 773-841 | AT&T Mobility | Wireless |
| 773-842 | T-Mobile | Wireless |
| 773-843 | AT&T Midwest (Illinois Bell) | Landline |
| 773-844 | AT&T Mobility | Wireless |
| 773-845 | American Messaging (paging) | Landline |
| 773-846 | AT&T Midwest (Illinois Bell) | Landline |
| 773-847 | AT&T Midwest (Illinois Bell) | Landline |
| 773-848 | Verizon Wireless | Wireless |
| 773-849 | Verizon Wireless | Wireless |
| 773-850 | Verizon Wireless | Wireless |
| 773-851 | T-Mobile | Wireless |
| 773-852 | AT&T Mobility | Wireless |
| 773-853 | T-Mobile | Wireless |
| 773-854 | AT&T Midwest (Illinois Bell) | Landline |
| 773-855 | RCN (Astound) | Landline |
| 773-856 | RCN (Astound) | Landline |
| 773-857 | RCN (Astound) | Landline |
| 773-858 | T-Mobile | Wireless |
| 773-859 | Verizon Wireless | Wireless |
| 773-860 | AT&T Mobility | Wireless |
| 773-861 | AT&T Mobility | Wireless |
| 773-862 | AT&T Midwest (Illinois Bell) | Landline |
| 773-863 | AT&T Midwest (Illinois Bell) | Landline |
| 773-864 | AT&T Midwest (Illinois Bell) | Landline |
| 773-865 | T-Mobile | Wireless |
| 773-866 | AT&T Midwest (Illinois Bell) | Landline |
| 773-867 | AT&T Midwest (Illinois Bell) | Landline |
| 773-868 | AT&T Midwest (Illinois Bell) | Landline |
| 773-869 | AT&T Midwest (Illinois Bell) | Landline |
| 773-870 | AT&T Mobility | Wireless |
| 773-871 | AT&T Midwest (Illinois Bell) | Landline |
| 773-872 | Onvoy (Sinch) | VoIP |
| 773-873 | AT&T Midwest (Illinois Bell) | Landline |
| 773-874 | AT&T Midwest (Illinois Bell) | Landline |
| 773-875 | T-Mobile | Wireless |
| 773-876 | Metro by T-Mobile (MetroPCS) | Wireless |
| 773-877 | T-Mobile | Wireless |
| 773-878 | AT&T Midwest (Illinois Bell) | Landline |
| 773-879 | T-Mobile | Wireless |
| 773-880 | AT&T Midwest (Illinois Bell) | Landline |
| 773-881 | AT&T Midwest (Illinois Bell) | Landline |
| 773-882 | Verizon Wireless | Wireless |
| 773-883 | AT&T Midwest (Illinois Bell) | Landline |
| 773-884 | AT&T Midwest (Illinois Bell) | Landline |
| 773-885 | T-Mobile | Wireless |
| 773-886 | T-Mobile | Wireless |
| 773-887 | Verizon Business (MCImetro) | Landline |
| 773-888 | Bandwidth.com | VoIP |
| 773-889 | AT&T Midwest (Illinois Bell) | Landline |
| 773-890 | AT&T Midwest (Illinois Bell) | Landline |
| 773-891 | Comcast (Xfinity Voice) | VoIP |
| 773-892 | AT&T Midwest (Illinois Bell) | Landline |
| 773-893 | Verizon Business (MCImetro) | Landline |
| 773-894 | AT&T Midwest (Illinois Bell) | Landline |
| 773-895 | T-Mobile | Wireless |
| 773-896 | Verizon Business (MCImetro) | Landline |
| 773-897 | Peerless Network | VoIP |
| 773-898 | Verizon Wireless | Wireless |
| 773-899 | Verizon Wireless | Wireless |
| 773-900 | FracTEL | Landline |
| 773-901 | AT&T Mobility | Wireless |
| 773-902 | Lumen (Level 3) | VoIP |
| 773-903 | Onvoy (Sinch) | VoIP |
| 773-904 | Lumen (Level 3) | VoIP |
| 773-905 | Lumen (Level 3) | VoIP |
| 773-906 | Lumen (Level 3) | VoIP |
| 773-907 | AT&T Midwest (Illinois Bell) | Landline |
| 773-908 | T-Mobile | Wireless |
| 773-909 | Verizon Wireless | Wireless |
| 773-910 | AT&T Mobility | Wireless |
| 773-912 | Lumen (Level 3) | VoIP |
| 773-913 | Lumen (Level 3) | VoIP |
| 773-914 | Verizon Wireless | Wireless |
| 773-915 | Lumen (Level 3) | VoIP |
| 773-916 | T-Mobile | Wireless |
| 773-917 | Verizon Business (MCImetro) | Landline |
| 773-918 | AT&T Midwest (Illinois Bell) | Landline |
| 773-919 | Verizon Wireless | Wireless |
| 773-920 | Lumen (Level 3) | VoIP |
| 773-921 | AT&T Midwest (Illinois Bell) | Landline |
| 773-922 | Lumen (Level 3) | VoIP |
| 773-923 | AT&T Mobility | Wireless |
| 773-924 | AT&T Midwest (Illinois Bell) | Landline |
| 773-925 | AT&T Midwest (Illinois Bell) | Landline |
| 773-926 | AT&T Midwest (Illinois Bell) | Landline |
| 773-927 | AT&T Midwest (Illinois Bell) | Landline |
| 773-928 | AT&T Midwest (Illinois Bell) | Landline |
| 773-929 | AT&T Midwest (Illinois Bell) | Landline |
| 773-930 | T-Mobile | Wireless |
| 773-931 | T-Mobile | Wireless |
| 773-932 | Lumen (Level 3) | VoIP |
| 773-933 | AT&T Midwest (Illinois Bell) | Landline |
| 773-934 | T-Mobile | Wireless |
| 773-935 | AT&T Midwest (Illinois Bell) | Landline |
| 773-936 | T-Mobile | Wireless |
| 773-937 | RCN (Astound) | Landline |
| 773-938 | Lumen (Level 3) | VoIP |
| 773-939 | T-Mobile | Wireless |
| 773-940 | Comcast (Xfinity Voice) | VoIP |
| 773-941 | T-Mobile | Wireless |
| 773-942 | Lumen (Level 3) | VoIP |
| 773-943 | T-Mobile | Wireless |
| 773-944 | RCN (Astound) | Landline |
| 773-945 | Peerless Network | VoIP |
| 773-946 | Lumen (Level 3) | VoIP |
| 773-947 | AT&T Midwest (Illinois Bell) | Landline |
| 773-948 | Verizon Business (MCImetro) | Landline |
| 773-949 | T-Mobile | Wireless |
| 773-951 | Verizon Wireless | Wireless |
| 773-952 | T-Mobile | Wireless |
| 773-953 | T-Mobile | Wireless |
| 773-954 | T-Mobile | Wireless |
| 773-955 | AT&T Midwest (Illinois Bell) | Landline |
| 773-956 | T-Mobile | Wireless |
| 773-957 | Windstream (Paetec) | Landline |
| 773-960 | T-Mobile | Wireless |
| 773-961 | AT&T Midwest (Illinois Bell) | Landline |
| 773-962 | AT&T Midwest (Illinois Bell) | Landline |
| 773-963 | T-Mobile | Wireless |
| 773-964 | T-Mobile | Wireless |
| 773-965 | Verizon Wireless | Wireless |
| 773-966 | Lumen (Level 3) | VoIP |
| 773-967 | Verizon Business (MCImetro) | Landline |
| 773-968 | T-Mobile | Wireless |
| 773-969 | T-Mobile | Wireless |
| 773-970 | AT&T Mobility | Wireless |
| 773-971 | T-Mobile | Wireless |
| 773-972 | AT&T Mobility | Wireless |
| 773-973 | AT&T Midwest (Illinois Bell) | Landline |
| 773-974 | Windstream (Paetec) | Landline |
| 773-975 | AT&T Midwest (Illinois Bell) | Landline |
| 773-977 | Windstream (Paetec) | Landline |
| 773-978 | AT&T Midwest (Illinois Bell) | Landline |
| 773-979 | T-Mobile | Wireless |
| 773-980 | AT&T Midwest (Illinois Bell) | Landline |
| 773-981 | Verizon Business (MCImetro) | Landline |
| 773-982 | T-Mobile | Wireless |
| 773-983 | T-Mobile | Wireless |
| 773-984 | T-Mobile | Wireless |
| 773-985 | Verizon Business (MCImetro) | Landline |
| 773-986 | T-Mobile | Wireless |
| 773-987 | First Communications | Landline |
| 773-988 | T-Mobile | Wireless |
| 773-989 | AT&T Midwest (Illinois Bell) | Landline |
| 773-990 | AT&T Midwest (Illinois Bell) | Landline |
| 773-991 | T-Mobile | Wireless |
| 773-992 | AT&T Midwest (Illinois Bell) | Landline |
| 773-993 | T-Mobile | Wireless |
| 773-994 | AT&T Midwest (Illinois Bell) | Landline |
| 773-995 | AT&T Midwest (Illinois Bell) | Landline |
| 773-996 | T-Mobile | Wireless |
| 773-997 | T-Mobile | Wireless |
| 773-998 | AT&T Mobility | Wireless |
| 773-999 | AT&T Mobility | Wireless |
Line type reflects the registry assignment; ported numbers can differ. Unknown 773 number calling? ActiveArmor® screens it before you ever look it up.
Cities & Communities in and around Area Code 773
Communities the 773 serves, filtered against the numbering registry’s rate centers, with each community’s key ZIP codes and the AT&T home internet available there. Cities link to their local AT&T internet page.
| City / community | Key ZIP codes | AT&T internet |
|---|---|---|
| Chicago | 60608, 60623, 60609 | Fiber up to 5 GIG |
| Cicero | 60804, 60402, 60623 | Internet Air |
| Evanston | 60201, 60203, 60202 | Fiber up to 5 GIG |
| Skokie | 60076, 60077, 60203 | Fiber up to 5 GIG |
| Oak Lawn | 60453, 60415, 60456 | Fiber up to 5 GIG |
| Berwyn | 60402, 60804, 60546 | Fiber up to 5 GIG |
| Oak Park | 60301, 60302, 60304 | Fiber up to 5 GIG |
| Elmhurst | 60126, 60163, 60181 | Fiber up to 5 GIG |
| Park Ridge | 60068, 60631, 60714 | Fiber up to 5 GIG |
| Niles | 60714, 60053, 60068 | Fiber up to 5 GIG |
| Burbank | 60459, 60455, 60456 | Fiber up to 5 GIG |
| Melrose Park | 60160, 60165, 60104 | Fiber up to 5 GIG |
| Elmwood Park | 60707, 60171, 60634 | Fiber up to 5 GIG |
| Maywood | 60153, 60141, 60130 | Fiber up to 5 GIG |
| Blue Island | 60406, 60472, 60469 | Fiber up to 5 GIG |
| Evergreen Park | 60805, 60456, 60655 | Fiber up to 5 GIG |
| Brookfield | 60513, 60546, 60534 | Fiber up to 5 GIG |
| Alsip | 60803, 60418, 60472 | Internet Air |
| Bellwood | 60104, 60165, 60160 | Fiber up to 5 GIG |
| Palos Hills | 60465, 60457, 60482 | Fiber up to 5 GIG |
| Franklin Park | 60131, 60176, 60164 | Fiber up to 5 GIG |
| Hinsdale | 60521, 60558, 60514 | Fiber up to 5 GIG |
| Bridgeview | 60455, 60458, 60457 | Fiber up to 5 GIG |
| Westchester | 60154, 60526, 60162 | Fiber up to 5 GIG |
| La Grange | 60558, 60525, 60526 | Fiber up to 5 GIG |
City list: AT&T service-area records and the public numbering registry. Key ZIPs: U.S. Census data for each community. Internet type: AT&T eligibility data, June 2026. Availability is always confirmed at your exact address.
773 Area Code Map
Area code 773 serves Chicago and nearby communities in IL.
↓ Printable PDF
Open the printable 773 map (PDF) · All Illinois area codes · Home internet in Chicago
Counties Covered by the 773 Area Code
Counties are served in whole or in part; population is U.S. Census Bureau ACS 2023.
The 773, explained
Area Code 773: More Than a Number in Chicago
In Chicago, the 773 is more than digits on a caller ID. It arrived in 1996, layered onto the 312 region, and it has meant Chicago and surrounding communities ever since — 785 carrier prefixes keep its lines busy today, and an established 773 number still says you’ve been here a while.
The map tells its own story: Chicago and surrounding communities, with 872 sharing the same streets today. Several codes, one local calling area, no long-distance between any of them — only the 773 came first.
Keeping a 773 matters here. An existing 773 number ports to a new phone, a new carrier, or a new AT&T line, and stays yours anywhere in the U.S. New lines in the area often draw 872 instead — one more reason locals hold on to theirs.
Need a new local number? Shop plans Keep your 773: bring it to AT&TInternet, wireless & stores in the 773
AT&T Home Internet in Area Code 773
AT&T home internet serves communities across area code 773, with AT&T Fiber where it’s built and AT&T Internet Air covering the gaps. Availability is decided address by address; every community in the table above links to its local internet page.
No data capsNo annual contractNo equipment fees
AT&T Fiber: Ltd. avail/areas. Speeds based on wired connection. Actual speeds vary. For 5-GIG, single device wired speed maximum 4.7Gbps. For more info., visit att.com/speed101. AT&T Internet Air: AT&T Internet Air not available in all areas. In rare cases, if your usage is contributing to congestion on the network, AT&T will greatly reduce your speed for a minimum of 30 min.
Pair it with wireless in an internet + wireless bundle. Run a business in the 773? AT&T Business Internet is available at many addresses.
Fiber install day in the 773Check your address ›
Moving to Area Code 773?
Set up home internet in area code 773 before the boxes arrive, and find your new community in the table above or check your exact address below.
Your number moves with you: port your 773 number from anywhere, or keep your old number when you arrive. An AT&T store nearby can handle the whole switch in one visit.
1 · Check your addressSee Fiber or Internet Air availability in seconds.
2 · Schedule for move-in dayInstall lined up before the boxes arrive.
3 · Keep your numberYour mobile number ports; your internet moves.
Get set up before move-in dayPlan your move ›
AT&T Wireless in Area Code 773
AT&T’s 5G network covers most of area code 773. ActiveArmor® spam blocking is included with every unlimited plan, your 773 number stays yours, and great cell phone deals in Chicago are a tap away.
5G across the 773ActiveArmor® includedKeep your 773 number
AT&T may temporarily slow data speeds if the network is busy. 5G req’s compatible plan & device. Coverage not available everywhere. Learn more at att.com/5Gforyou.
Need a new 773 number? Ask when you activate a line: the 773 shares its territory with 872, so new lines may draw one of those codes, and porting an existing 773 number keeps it yours.
Stay connected across ChicagoShop wireless plans ›
AT&T Stores in Area Code 773
Looking for cell phone stores in area code 773? These stores answer on 773 numbers — walk in for switching, porting, upgrades and hands-on help:
Every AT&T store in the region, company owned and authorized retailer alike, each with its own store page.
Real help from real people in ChicagoFind your store ›
All AT&T Stores with 773 Numbers
Every store below answers on a 773 number. Tap any number to call.
13 AT&T stores with 773 numbers
International Calling from Area Code 773
Calling abroad from area code 773? AT&T International Calling adds discounted or unlimited rates to 200+ countries on top of your existing plan, and unlimited texting from the U.S. to 200+ destinations is already included on AT&T unlimited plans.
Where the 773 calls most:MexicoIndiaPolandPhilippinesChina
Top places of birth among foreign-born residents of the 773’s counties, U.S. Census Bureau ACS 2023.
Calling abroad from a 773 number: dial 011 + country code + number (or just + on a mobile). Traveling abroad instead? International Day Pass® takes your talk, text and data with you for a flat daily rate.
International Calling and International Day Pass® availability, rates and included destinations vary by plan; see att.com for the current country list.
Chicago calls the worldSee international plans ›
773 Area Code Quick Facts & Dialing
StateIllinois
Time zoneCentral
Overlays872share this territory
Established1996added to the 312 region
Dialing10 digitsrequired
Toll-free?Nogeographic code
Population5.28Mcounties served, Census 2023
Largest cityChicago+24 more ›
How to dial a 773 number
| Scenario | Format | Example |
|---|---|---|
| Local call (within the region) | 773 + 7-digit number | (773) 555-0100 |
| Long distance (within the U.S.) | 1 + 773 + 7-digit number | 1 (773) 555-0100 |
| Calling 773 from another country | +1 773 + 7-digit number | +1 773 555 0100 |
| From a mobile phone | (773) + 7-digit number | (773) 555-0100 |
A Short History of Area Code 773
Added in 1996 to the 312 region, the 773 serves Chicago and surrounding communities. No splits or overlays have divided its territory since.
1996Added to the 312 region
In service since 1996. Today the 773’s territory is shared with overlay code 872, so ten-digit dialing is required.
Nearby & Related Area Codes
Browse area codes by state: Illinois (17) · California (41) · Texas (29) · Florida (23) · all 50 states ›
Area Code 773 FAQ
What area code is 773?
773 is the area code for Chicago, Illinois and the surrounding communities. It appears at the front of every local 10-digit phone number in the area.
Where is area code 773?
Area code 773 serves Chicago, Illinois and nearby communities including Bedford Park, Berwyn, Broadview. The full city list is in the cities table above.
Why did I get a text message from a 773 number?
The most common 773 text scam opens like a wrong number (“u at home?”, “are you busy tomorrow?”) and tries to move you to WhatsApp. Don’t reply. Forward the text to 7726 (SPAM) and delete it. AT&T ActiveArmor® filters known scam senders automatically.
Who called me from area code 773?
A 773 number usually means Chicago or a nearby community, but spoofing is common. This page’s prefix lookup isn’t a reverse phone lookup — it can’t name the caller, but it shows the carrier, line type and community a number was issued to, which is often enough to judge a call.
What time zone is area code 773?
Central time. The live local time is shown at the top of this page.
Why am I getting calls from 773 numbers?
773 is an active, legitimate Illinois area code, but scammers spoof local numbers because people answer them. If there’s no voicemail, let it go. AT&T ActiveArmor® blocks and labels spam automatically, and you can report unwanted calls at reportfraud.ftc.gov. The spam report board above shows which 773 prefixes are drawing complaints right now.
Is 773 a toll-free number?
No. 773 is a geographic area code tied to Chicago, Illinois. Toll-free calls come from 800, 833, 844, 855, 866, 877 and 888 numbers.
What’s the difference between 773 and 872?
872 is an overlay of 773: both cover the same Chicago area, and calls between them are local. New lines may get either code.
Which cities use area code 773?
The largest communities include Chicago, Cicero, Evanston, Skokie, Oak Lawn. The full list is in the cities table above.
Does AT&T offer service in the 773?
Yes: home internet, wireless and retail stores across the 773. Availability is checked address by address.
Can I still get a 773 number?
Yes. Carriers in Chicago and across the 773 still issue 773 numbers on new lines, and you can port an existing 773 number to any carrier. Newer lines in the same area may also receive numbers from an overlay code.
Can I keep my 773 number if I move?
Yes. Phone numbers are portable: your 773 number can move with you anywhere in the U.S., whether you stay with your carrier or switch.
Sources: city and store data from AT&T records; prefix and carrier assignments from the public numbering registry (pulled July 2026). Facts regenerate monthly.
