Who Called Me from Area Code 712?
Quick answerA 712 call usually comes from Sioux City 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 712 prefixes, right on this page.
- Curious who issued a number? Every 712 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 712 prefixes this month
PrefixReported patternReport volume
(712) 513-XXXXRobocall-heavy
(712) 512-XXXXRobocall-heavy
(712) 932-XXXXRobocall-heavy
(712) 422-XXXXRobocall-heavy
(712) 474-XXXXRobocall-heavy
180 unwanted-call reports naming 712 numbers in FTC Do Not Call complaint data, July 2–17, 2026. Consumer-reported and unverified.
Block spam calls in the 712, 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 712 a Scam?
No. 712 is a legitimate Sioux City area code.
It’s one of the original 1947 codes and serves Sioux City and surrounding communities. But legitimacy of the code says nothing about any single call. Scammers spoof local numbers constantly.
The code is realOriginal 1947 code for the Sioux City area with 631 assigned carrier prefixes.
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 712 numbers
The most common area code 712 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 712
Caller ID is easy to forge. Spoofing fakes the number a call displays. The real owner of that 712 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 712 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 712 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.
712 Area Code Prefix & Carrier Lookup
The three digits after the area code identify the carrier a number was issued to. All 631 assigned 712 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 712 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.
631 prefixes · updated monthly
| Prefix | Carrier | Line type |
|---|---|---|
| 712-200 | Alta Municipal Utilities | Landline |
| 712-201 | Onvoy (Sinch) | VoIP |
| 712-202 | Windstream (Paetec) | Landline |
| 712-203 | T-Mobile | Wireless |
| 712-204 | T-Mobile | Wireless |
| 712-205 | Windstream | Landline |
| 712-206 | Windstream | Landline |
| 712-207 | Walnut Telephone Company | Landline |
| 712-208 | AT&T Mobility | Wireless |
| 712-209 | Verizon Wireless | Wireless |
| 712-210 | United States Cellular | Wireless |
| 712-212 | Verizon Business (MCImetro) | Landline |
| 712-213 | Long Lines Metro | Landline |
| 712-214 | Onvoy (Sinch) | VoIP |
| 712-215 | United States Cellular | Wireless |
| 712-216 | Verizon Wireless | Wireless |
| 712-217 | Onvoy (Sinch) | VoIP |
| 712-218 | Onvoy (Sinch) | VoIP |
| 712-219 | AT&T Mobility | Wireless |
| 712-220 | Mcc Telephony | Landline |
| 712-221 | Verizon Wireless | Wireless |
| 712-222 | Long Lines Metro | Landline |
| 712-223 | AT&T Mobility | Wireless |
| 712-224 | Imon Communications | Landline |
| 712-225 | Qwest Corporation | Landline |
| 712-226 | Imon Communications | Landline |
| 712-227 | Comcast (Xfinity Voice) | VoIP |
| 712-228 | Northwest Iowa Telephone | Landline |
| 712-229 | Verizon Wireless | Wireless |
| 712-230 | AT&T Mobility | Wireless |
| 712-231 | AT&T Mobility | Wireless |
| 712-232 | Aureon Communications | Landline |
| 712-233 | Qwest Corporation | Landline |
| 712-234 | Qwest Corporation | Landline |
| 712-235 | Farmers Mutual Cooperative Telephone Company | Landline |
| 712-236 | Farmers Mutual Cooperative Telephone Company | Landline |
| 712-237 | Northwest Iowa Telephone | Landline |
| 712-238 | Long Lines Metro | Landline |
| 712-239 | Qwest Corporation | Landline |
| 712-240 | United States Cellular | Wireless |
| 712-242 | Windstream | Landline |
| 712-243 | Qwest Corporation | Landline |
| 712-244 | Long Lines Metro | Landline |
| 712-245 | AT&T Mobility | Wireless |
| 712-246 | Qwest Corporation | Landline |
| 712-247 | Northwest Iowa Telephone | Landline |
| 712-248 | Windstream (Paetec) | Landline |
| 712-249 | Verizon Wireless | Wireless |
| 712-250 | United States Cellular | Wireless |
| 712-251 | Verizon Wireless | Wireless |
| 712-252 | Qwest Corporation | Landline |
| 712-253 | Verizon Wireless | Wireless |
| 712-254 | United States Cellular | Wireless |
| 712-255 | Qwest Corporation | Landline |
| 712-256 | Comcast (Xfinity Voice) | VoIP |
| 712-257 | Northwest Iowa Telephone | Landline |
| 712-258 | Qwest Corporation | Landline |
| 712-259 | AT&T Mobility | Wireless |
| 712-260 | Verizon Wireless | Wireless |
| 712-261 | United States Cellular | Wireless |
| 712-262 | Qwest Corporation | Landline |
| 712-263 | Frontier Communications | Landline |
| 712-264 | Qwest Corporation | Landline |
| 712-265 | Frontier Communications | Landline |
| 712-266 | Qwest Corporation | Landline |
| 712-267 | Verizon Wireless | Wireless |
| 712-268 | Windstream | Landline |
| 712-269 | Verizon Wireless | Wireless |
| 712-270 | United States Cellular | Wireless |
| 712-271 | Northwest Iowa Telephone | Landline |
| 712-272 | Windstream | Landline |
| 712-273 | Frontier Communications | Landline |
| 712-274 | Qwest Corporation | Landline |
| 712-275 | Schaller Tel. | Landline |
| 712-276 | Qwest Corporation | Landline |
| 712-277 | Qwest Corporation | Landline |
| 712-278 | Heartland Teleco Of Ia dba Premier Communications | Landline |
| 712-279 | Qwest Corporation | Landline |
| 712-280 | Windstream | Landline |
| 712-281 | AT&T Mobility | Wireless |
| 712-282 | Schaller Tel. | Landline |
| 712-283 | Qwest Corporation | Landline |
| 712-284 | Qwest Corporation | Landline |
| 712-285 | Northwest Iowa Telephone | Landline |
| 712-286 | Windstream | Landline |
| 712-287 | Embarq Missouri, Inc. dba Centurylink | Landline |
| 712-288 | Windstream | Landline |
| 712-289 | Windstream | Landline |
| 712-290 | Windstream | Landline |
| 712-291 | Verizon Wireless | Wireless |
| 712-292 | Verizon Wireless | Wireless |
| 712-293 | Qwest Corporation | Landline |
| 712-294 | Qwest Corporation | Landline |
| 712-295 | Windstream | Landline |
| 712-296 | Windstream | Landline |
| 712-297 | Windstream | Landline |
| 712-298 | Verizon Wireless | Wireless |
| 712-299 | Verizon Wireless | Wireless |
| 712-300 | Advanced Network Communications | Landline |
| 712-301 | T-Mobile | Wireless |
| 712-302 | AT&T (Teleport Communications) | Landline |
| 712-303 | Verizon Wireless | Wireless |
| 712-304 | Verizon Wireless | Wireless |
| 712-305 | Verizon Wireless | Wireless |
| 712-306 | Onvoy (Sinch) | VoIP |
| 712-307 | Verizon Wireless | Wireless |
| 712-308 | Verizon Wireless | Wireless |
| 712-309 | Windstream (Paetec) | Landline |
| 712-310 | Verizon Wireless | Wireless |
| 712-312 | Onvoy (Sinch) | VoIP |
| 712-313 | Verizon Wireless | Wireless |
| 712-314 | Aerial Communications | Wireless |
| 712-315 | Onvoy (Sinch) | VoIP |
| 712-316 | Onvoy (Sinch) | VoIP |
| 712-317 | Airus | Landline |
| 712-318 | Aureon Communications | Landline |
| 712-320 | United States Cellular | Wireless |
| 712-321 | C-M-L Telephone Cooperative Association Of Meriden | Landline |
| 712-322 | Qwest Corporation | Landline |
| 712-323 | Qwest Corporation | Landline |
| 712-324 | Qwest Corporation | Landline |
| 712-325 | Qwest Corporation | Landline |
| 712-326 | Qwest Corporation | Landline |
| 712-327 | Verizon Wireless | Wireless |
| 712-328 | Qwest Corporation | Landline |
| 712-329 | Qwest Corporation | Landline |
| 712-330 | Verizon Wireless | Wireless |
| 712-331 | AT&T Mobility | Wireless |
| 712-332 | Qwest Corporation | Landline |
| 712-333 | AT&T Mobility | Wireless |
| 712-334 | Verizon Wireless | Wireless |
| 712-335 | Qwest Corporation | Landline |
| 712-336 | Qwest Corporation | Landline |
| 712-337 | Qwest Corporation | Landline |
| 712-338 | Qwest Corporation | Landline |
| 712-339 | Verizon Wireless | Wireless |
| 712-340 | Bandwidth.com | VoIP |
| 712-341 | AT&T Mobility | Wireless |
| 712-342 | Advanced Network Communications | Landline |
| 712-343 | Windstream | Landline |
| 712-344 | Verizon Wireless | Wireless |
| 712-345 | Onvoy (Sinch) | VoIP |
| 712-346 | T-Mobile | Wireless |
| 712-347 | Qwest Corporation | Landline |
| 712-348 | AT&T Mobility | Wireless |
| 712-349 | Windstream | Landline |
| 712-350 | United States Cellular | Wireless |
| 712-351 | Verizon Wireless | Wireless |
| 712-352 | Qwest Corporation | Landline |
| 712-353 | Western Iowa Tel. Assn. | Landline |
| 712-354 | Onvoy (Sinch) | VoIP |
| 712-355 | United States Cellular | Wireless |
| 712-356 | FracTEL | Landline |
| 712-357 | Mcc Telephony | Landline |
| 712-358 | Verizon Wireless | Wireless |
| 712-359 | Palmer Mutual Tel. | Landline |
| 712-360 | Verizon Wireless | Wireless |
| 712-361 | Lte Wireless | Wireless |
| 712-362 | Qwest Corporation | Landline |
| 712-363 | Verizon Wireless | Wireless |
| 712-364 | Frontier Communications | Landline |
| 712-365 | Frontier Communications | Landline |
| 712-366 | Qwest Corporation | Landline |
| 712-367 | Sac County Mutual Tel. | Landline |
| 712-368 | Frontier Communications | Landline |
| 712-369 | Telnyx | Landline |
| 712-370 | Verizon Wireless | Wireless |
| 712-371 | Verizon Wireless | Wireless |
| 712-372 | Qwest Corporation | Landline |
| 712-373 | Qwest Corporation | Landline |
| 712-374 | Windstream | Landline |
| 712-375 | Frontier Communications | Landline |
| 712-376 | West Iowa Tel. | Landline |
| 712-377 | Windstream | Landline |
| 712-378 | Frontier Communications | Landline |
| 712-379 | Farmers Tel. | Landline |
| 712-380 | United States Cellular | Wireless |
| 712-381 | T-Mobile | Wireless |
| 712-382 | Qwest Corporation | Landline |
| 712-383 | Western Iowa Telephone Association | Landline |
| 712-384 | Schaller Tel. | Landline |
| 712-385 | Prairie Tel. Co. | Landline |
| 712-386 | Southwest Tel. Exch. | Landline |
| 712-387 | Windstream | Landline |
| 712-388 | Qwest Corporation | Landline |
| 712-389 | AT&T Local | Landline |
| 712-390 | United States Cellular | Wireless |
| 712-391 | Lumen (Level 3) | VoIP |
| 712-392 | AT&T Mobility | Wireless |
| 712-393 | Btc | Landline |
| 712-394 | Lumen (Level 3) | VoIP |
| 712-395 | United States Cellular | Wireless |
| 712-396 | Qwest Corporation | Landline |
| 712-397 | Onvoy (Sinch) | VoIP |
| 712-398 | Stratus Networks | Landline |
| 712-399 | Qwest Corporation | Landline |
| 712-400 | AT&T Mobility | Wireless |
| 712-401 | Onvoy (Sinch) | VoIP |
| 712-403 | Onvoy (Sinch) | VoIP |
| 712-404 | AT&T Mobility | Wireless |
| 712-405 | Mcc Telephony Of Iowa | Landline |
| 712-406 | Boost Mobile | Landline |
| 712-407 | Walnut Telephone Company | Landline |
| 712-408 | AT&T Mobility | Wireless |
| 712-409 | Onvoy (Sinch) | VoIP |
| 712-410 | Boost Mobile | Landline |
| 712-412 | Onvoy (Sinch) | VoIP |
| 712-413 | AT&T Mobility | Wireless |
| 712-414 | Bandwidth.com | VoIP |
| 712-415 | Mcc Telephony Of Iowa | Landline |
| 712-416 | Nuso | Landline |
| 712-417 | Nuso | Landline |
| 712-418 | Comcast (Xfinity Voice) | VoIP |
| 712-419 | Aerial Communications | Wireless |
| 712-420 | Verizon Wireless | Wireless |
| 712-421 | Northwest Iowa Telephone | Landline |
| 712-422 | Verizon Wireless | Wireless |
| 712-423 | Qwest Corporation | Landline |
| 712-424 | Windstream | Landline |
| 712-425 | Windstream | Landline |
| 712-426 | Ayrshire Farmers Mutual Tel. | Landline |
| 712-427 | Verizon Wireless | Wireless |
| 712-428 | Northwest Iowa Telephone | Landline |
| 712-429 | Imon Communications | Landline |
| 712-430 | Verizon Business (MCImetro) | Landline |
| 712-431 | Verizon Wireless | Wireless |
| 712-432 | Great Lakes Communication | Landline |
| 712-433 | Commchoice Of Iowa | Landline |
| 712-434 | Peoples Tel. | Landline |
| 712-435 | Aerial Communications | Wireless |
| 712-436 | C-M-L Tel. Coop. Assn. Of Meriden Iowa | Landline |
| 712-437 | C-M-L Tel. Coop. Assn. Of Meriden Iowa | Landline |
| 712-438 | Verizon Wireless | Wireless |
| 712-439 | Heartland Teleco Of Ia dba Premier Communications | Landline |
| 712-440 | Onvoy (Sinch) | VoIP |
| 712-441 | AT&T Mobility | Wireless |
| 712-442 | AT&T Mobility | Wireless |
| 712-443 | C-M-L Tel. Coop. Assn. Of Meriden Iowa | Landline |
| 712-444 | AT&T Mobility | Wireless |
| 712-445 | West Iowa Tel. | Landline |
| 712-446 | West Iowa Tel. | Landline |
| 712-447 | Frontier Communications | Landline |
| 712-448 | Windstream | Landline |
| 712-449 | AT&T Mobility | Wireless |
| 712-450 | United States Cellular | Wireless |
| 712-451 | Premier Communications | Landline |
| 712-452 | Windstream | Landline |
| 712-453 | Mcc Telephony | Landline |
| 712-454 | AT&T (Teleport Communications) | Landline |
| 712-455 | Commchoice Of Iowa | Landline |
| 712-456 | Windstream | Landline |
| 712-457 | Onvoy (Sinch) | VoIP |
| 712-458 | Qwest Corporation | Landline |
| 712-459 | Windstream | Landline |
| 712-460 | AT&T Mobility | Wireless |
| 712-461 | AT&T Mobility | Wireless |
| 712-462 | Ton80 Communications | Landline |
| 712-463 | Verizon Wireless | Wireless |
| 712-464 | Windstream | Landline |
| 712-465 | Windstream | Landline |
| 712-466 | Windstream | Landline |
| 712-467 | Windstream | Landline |
| 712-468 | Windstream | Landline |
| 712-469 | Windstream | Landline |
| 712-470 | AT&T Mobility | Wireless |
| 712-471 | Verizon Wireless | Wireless |
| 712-472 | Heartland Teleco Of Ia dba Premier Communications | Landline |
| 712-473 | Alliance Communications Cooperative | Landline |
| 712-474 | Ton80 Communications | Landline |
| 712-475 | Frontier Communications | Landline |
| 712-476 | Heartland Teleco Of Ia dba Premier Communications | Landline |
| 712-477 | Alliance Communications Cooperative | Landline |
| 712-478 | Alliance Communications Cooperative | Landline |
| 712-479 | Northern Iowa Tel. | Landline |
| 712-480 | United States Cellular | Wireless |
| 712-481 | Airus | Landline |
| 712-482 | Frontier Communications | Landline |
| 712-483 | Windstream | Landline |
| 712-484 | Frontier Communications | Landline |
| 712-485 | Qwest Corporation | Landline |
| 712-486 | Breda Tel. | Landline |
| 712-487 | Frontier Communications | Landline |
| 712-488 | Windstream | Landline |
| 712-489 | Windstream | Landline |
| 712-490 | Verizon Wireless | Wireless |
| 712-492 | Interstate Cablevision Company | VoIP |
| 712-494 | Onvoy (Sinch) | VoIP |
| 712-496 | Corn Belt Communications | Landline |
| 712-497 | Mcc Telephony | Landline |
| 712-499 | FracTEL | Landline |
| 712-500 | Long Lines Metro | Landline |
| 712-501 | AT&T Mobility | Wireless |
| 712-502 | AT&T Mobility | Wireless |
| 712-503 | Wavenation | Landline |
| 712-505 | Boost Mobile | Landline |
| 712-509 | T-Mobile | Wireless |
| 712-510 | Edgetel | Landline |
| 712-512 | Hd Carrier | Landline |
| 712-513 | Hd Carrier | Landline |
| 712-514 | Verizon Wireless | Wireless |
| 712-517 | Airus | Landline |
| 712-520 | United States Cellular | Wireless |
| 712-521 | Btc | Landline |
| 712-522 | AT&T Mobility | Wireless |
| 712-523 | Frontier Communications | Landline |
| 712-524 | Onvoy (Sinch) | VoIP |
| 712-525 | Qwest Corporation | Landline |
| 712-526 | Qwest Corporation | Landline |
| 712-527 | Qwest Corporation | Landline |
| 712-529 | Windstream | Landline |
| 712-530 | Onvoy (Sinch) | VoIP |
| 712-532 | Windstream | Landline |
| 712-533 | Frontier Communications | Landline |
| 712-534 | Iamo Communications | Landline |
| 712-535 | Lumen (CenturyLink) | Landline |
| 712-537 | Windstream | Landline |
| 712-538 | T-Mobile | Wireless |
| 712-539 | United States Cellular | Wireless |
| 712-540 | Verizon Wireless | Wireless |
| 712-541 | Verizon Wireless | Wireless |
| 712-542 | Windstream | Landline |
| 712-543 | Airus | Landline |
| 712-544 | Windstream | Landline |
| 712-545 | Qwest Corporation | Landline |
| 712-546 | Frontier Communications | Landline |
| 712-548 | Frontier Communications | Landline |
| 712-549 | Marne & Elk Horn Tel. | Landline |
| 712-550 | AT&T Mobility | Wireless |
| 712-551 | Hawarden Municipal Utilities | Landline |
| 712-552 | Heartland Teleco Of Ia dba Premier Communications | Landline |
| 712-554 | T-Mobile | Wireless |
| 712-557 | Metro by T-Mobile (MetroPCS) | Wireless |
| 712-560 | Lumen (Level 3) | VoIP |
| 712-561 | Aerial Communications | Wireless |
| 712-562 | Frontier Communications | Landline |
| 712-563 | Windstream | Landline |
| 712-564 | Ip Horizon | Landline |
| 712-565 | Webster-Calhoun Telephone Association | Landline |
| 712-566 | Qwest Corporation | Landline |
| 712-567 | Northern Iowa Tel. | Landline |
| 712-568 | Heartland Teleco Of Ia dba Premier Communications | Landline |
| 712-569 | Telnyx | Landline |
| 712-570 | Commio | Landline |
| 712-571 | Verizon Wireless | Wireless |
| 712-572 | Onvoy (Sinch) | VoIP |
| 712-574 | AT&T Mobility | Wireless |
| 712-576 | Onvoy (Sinch) | VoIP |
| 712-577 | T-Mobile | Wireless |
| 712-578 | T-Mobile | Wireless |
| 712-579 | Verizon Wireless | Wireless |
| 712-580 | Spencer Municipal Communication Utility | Landline |
| 712-581 | Bandwidth.com | VoIP |
| 712-582 | Windstream | Landline |
| 712-583 | Iamo Communications | Landline |
| 712-584 | Verizon Business (MCImetro) | Landline |
| 712-585 | Farmers Mutual Telephone Company | Landline |
| 712-586 | Farmers Mutual Telephone Company | Landline |
| 712-587 | Lumen (Level 3) | VoIP |
| 712-588 | Mcc Telephony | Landline |
| 712-589 | Windstream | Landline |
| 712-590 | Verizon Wireless | Wireless |
| 712-591 | Qwest Corporation | Landline |
| 712-592 | Verizon Wireless | Wireless |
| 712-598 | Lte Wireless | Wireless |
| 712-599 | Ton80 Communications | Landline |
| 712-600 | Long Lines Metro | Landline |
| 712-607 | Verizon Wireless | Wireless |
| 712-612 | Onvoy Spectrum (Sinch) | VoIP |
| 712-613 | Wide Voice | Landline |
| 712-621 | United States Cellular | Wireless |
| 712-622 | Prairie Tel. Co. | Landline |
| 712-623 | Qwest Corporation | Landline |
| 712-624 | Qwest Corporation | Landline |
| 712-625 | Windstream | Landline |
| 712-626 | T-Mobile | Wireless |
| 712-627 | Farmers Mutual Coop. Tel. | Landline |
| 712-628 | Windstream | Landline |
| 712-629 | Windstream | Landline |
| 712-630 | AT&T Mobility | Wireless |
| 712-631 | Lumen (Level 3) | VoIP |
| 712-633 | Ton80 Communications | Landline |
| 712-634 | Bandwidth.com | VoIP |
| 712-635 | Verizon Wireless | Wireless |
| 712-636 | Frontier Communications | Landline |
| 712-637 | Great Lakes Communication | Landline |
| 712-638 | AT&T Mobility | Wireless |
| 712-639 | Vonage | VoIP |
| 712-640 | Webster-Calhoun Telephone Association | Landline |
| 712-642 | Qwest Corporation | Landline |
| 712-643 | Windstream | Landline |
| 712-644 | Windstream | Landline |
| 712-645 | Windstream | Landline |
| 712-646 | Windstream | Landline |
| 712-647 | Windstream | Landline |
| 712-648 | Windstream | Landline |
| 712-649 | Windstream | Landline |
| 712-650 | AT&T Mobility | Wireless |
| 712-651 | Windstream | Landline |
| 712-652 | Scranton Tel. | Landline |
| 712-653 | Windstream | Landline |
| 712-654 | Farmers Mutual Coop. Tel. | Landline |
| 712-655 | Manning Municipal Comm And Telvsn Sys Ut | Landline |
| 712-656 | Windstream | Landline |
| 712-657 | Windstream | Landline |
| 712-658 | Windstream | Landline |
| 712-659 | Windstream | Landline |
| 712-660 | Verizon Wireless | Wireless |
| 712-661 | Verizon Wireless | Wireless |
| 712-662 | Frontier Communications | Landline |
| 712-663 | Westside Independent Tel. | Landline |
| 712-664 | Corn Belt Tel. | Landline |
| 712-665 | Corn Belt Communications | Landline |
| 712-666 | FracTEL | Landline |
| 712-667 | Windstream | Landline |
| 712-668 | Sac County Mutual Tel. | Landline |
| 712-669 | Templeton Tel. | Landline |
| 712-670 | AT&T Mobility | Wireless |
| 712-671 | Lumen (Level 3) | VoIP |
| 712-672 | Onvoy (Sinch) | VoIP |
| 712-673 | Breda Tel. | Landline |
| 712-674 | Frontier Communications | Landline |
| 712-675 | Schaller Tel. | Landline |
| 712-676 | Windstream | Landline |
| 712-677 | Windstream | Landline |
| 712-678 | Frontier Communications | Landline |
| 712-679 | Windstream | Landline |
| 712-682 | Frontier Communications | Landline |
| 712-683 | Windstream | Landline |
| 712-684 | Windstream | Landline |
| 712-685 | Csc Wireless | Wireless |
| 712-686 | T-Mobile | Wireless |
| 712-687 | Verizon Wireless | Wireless |
| 712-688 | Windstream | Landline |
| 712-689 | Westside Independent Tel. | Landline |
| 712-692 | Aureon Communications | Landline |
| 712-693 | Verizon Wireless | Wireless |
| 712-694 | Mcc Telephony Of Iowa | Landline |
| 712-695 | Windstream | Landline |
| 712-696 | Ton80 Communications | Landline |
| 712-699 | T-Mobile | Wireless |
| 712-702 | Metro by T-Mobile (MetroPCS) | Wireless |
| 712-707 | Orange City Communications | Landline |
| 712-710 | Commio | Landline |
| 712-713 | Great Plains Broadband | Landline |
| 712-717 | Onvoy (Sinch) | VoIP |
| 712-718 | Metro by T-Mobile (MetroPCS) | Wireless |
| 712-720 | Verizon Wireless | Wireless |
| 712-722 | Mutual Tel. | Landline |
| 712-723 | C-M-L Tel. Coop. Assn. Of Meriden Iowa | Landline |
| 712-724 | Frontier Communications | Landline |
| 712-725 | Heartland Teleco Of Ia dba Premier Communications | Landline |
| 712-726 | Heartland Teleco Of Ia dba Premier Communications | Landline |
| 712-727 | Northern Iowa Tel. | Landline |
| 712-728 | Windstream | Landline |
| 712-729 | Northern Iowa Tel. | Landline |
| 712-730 | United States Cellular | Wireless |
| 712-732 | Qwest Corporation | Landline |
| 712-733 | Aureon Communications | Landline |
| 712-735 | Windstream | Landline |
| 712-736 | Windstream | Landline |
| 712-737 | Frontier Communications | Landline |
| 712-738 | Northern Iowa Tel. | Landline |
| 712-739 | Verizon Wireless | Wireless |
| 712-740 | Verizon Wireless | Wireless |
| 712-741 | Farmers Mutual Coop. Tel. | Landline |
| 712-742 | Onvoy (Sinch) | VoIP |
| 712-743 | Windstream | Landline |
| 712-744 | Farmers Mutual Coop. Tel. | Landline |
| 712-745 | Lumen (Level 3) | VoIP |
| 712-746 | Qwest Corporation | Landline |
| 712-747 | Farmers Mutual Coop. Tel. | Landline |
| 712-748 | Farmers Mutual Coop. Tel. | Landline |
| 712-749 | Qwest Corporation | Landline |
| 712-750 | Premier Communications | Landline |
| 712-752 | Hospers Tel. Exch. | Landline |
| 712-753 | Alliance Communications Cooperative | Landline |
| 712-754 | Heartland Teleco Of Ia dba Premier Communications | Landline |
| 712-755 | Windstream | Landline |
| 712-756 | West Iowa Tel. | Landline |
| 712-757 | Windstream | Landline |
| 712-758 | Windstream | Landline |
| 712-759 | Mcc Telephony Of Iowa | Landline |
| 712-760 | AT&T Mobility | Wireless |
| 712-762 | West Iowa Tel. | Landline |
| 712-763 | Griswold Coop. Tel. | Landline |
| 712-764 | Marne & Elk Horn Tel. | Landline |
| 712-765 | Northern Iowa Communications Partners | Landline |
| 712-766 | Farmers Mutual Coop. Tel. | Landline |
| 712-767 | Griswold Coop. Tel. | Landline |
| 712-768 | AT&T Mobility | Wireless |
| 712-769 | Griswold Coop. Tel. | Landline |
| 712-770 | Btc | Landline |
| 712-771 | Edgetel | Landline |
| 712-772 | Airus | Landline |
| 712-773 | Marne & Elk Horn Tel. | Landline |
| 712-774 | Cumberland Tel. | Landline |
| 712-775 | Btc | Landline |
| 712-776 | Northwest Tel. Coop. Assn. | Landline |
| 712-777 | Alliance Communications Cooperative | Landline |
| 712-778 | Griswold Coop. Tel. | Landline |
| 712-779 | Massena Tel. | Landline |
| 712-781 | Marne & Elk Horn Tel. | Landline |
| 712-782 | Farmers Mutual Coop. Tel. | Landline |
| 712-783 | Massena Tel. | Landline |
| 712-784 | Marne & Elk Horn Tel. | Landline |
| 712-785 | Farmers Mutual Telephone Company | Landline |
| 712-786 | West Iowa Tel. | Landline |
| 712-787 | Airus | Landline |
| 712-788 | FracTEL | Landline |
| 712-789 | Verizon Wireless | Wireless |
| 712-790 | Verizon Wireless | Wireless |
| 712-791 | Onvoy (Sinch) | VoIP |
| 712-792 | Qwest Corporation | Landline |
| 712-794 | Qwest Corporation | Landline |
| 712-796 | Aerial Communications | Wireless |
| 712-797 | T-Mobile | Wireless |
| 712-798 | T-Mobile | Wireless |
| 712-799 | Farmers Mutual Coop. Tel. | Landline |
| 712-800 | Windstream | Landline |
| 712-812 | Hd Carrier | Landline |
| 712-820 | AT&T Mobility | Wireless |
| 712-822 | Breda Tel. | Landline |
| 712-823 | Lumen (Level 3) | VoIP |
| 712-824 | Southwest Tel. Exch. | Landline |
| 712-825 | Southwest Tel. Exch. | Landline |
| 712-826 | Farmers Mutual Telephone Company | Landline |
| 712-827 | Western Iowa Tel. Assn. | Landline |
| 712-828 | Verizon Wireless | Wireless |
| 712-829 | Farmers Mutual Telephone Company | Landline |
| 712-830 | United States Cellular | Wireless |
| 712-831 | Great Lakes Communication | Landline |
| 712-832 | Qwest Corporation | Landline |
| 712-833 | Terra Nova Telecom | Landline |
| 712-834 | United Farmers Tel. | Landline |
| 712-835 | Ayrshire Farmers Mutual Tel. | Landline |
| 712-836 | Webb-Dickens Tel. | Landline |
| 712-837 | River Valley Telecommunications Coop. | Landline |
| 712-838 | Webb-Dickens Tel. | Landline |
| 712-840 | Verizon Wireless | Wireless |
| 712-841 | Laurens Municipal Communications Utility | Landline |
| 712-842 | FracTEL | Landline |
| 712-843 | Windstream | Landline |
| 712-845 | Lumen (Level 3) | VoIP |
| 712-847 | Comcast (Xfinity Voice) | VoIP |
| 712-848 | Windstream | Landline |
| 712-850 | Mcc Telephony | Landline |
| 712-851 | Alliance Communications Cooperative | Landline |
| 712-852 | Windstream | Landline |
| 712-853 | Terril Telephone Cooperative | Landline |
| 712-854 | Verizon Wireless | Wireless |
| 712-855 | Northwest Tel. Coop. Assn. | Landline |
| 712-857 | Northwest Tel. Coop. Assn. | Landline |
| 712-858 | Superior Tel. Coop. | Landline |
| 712-859 | River Valley Telecommunications Coop. | Landline |
| 712-860 | Verizon Wireless | Wireless |
| 712-863 | Ton80 Communications | Landline |
| 712-864 | Windstream | Landline |
| 712-865 | Windstream | Landline |
| 712-866 | Ringsted Tel. | Landline |
| 712-867 | River Valley Telecommunications Coop. | Landline |
| 712-868 | Independent Networks | Landline |
| 712-869 | AT&T Mobility | Wireless |
| 712-870 | Verizon Wireless | Wireless |
| 712-872 | Corn Belt Communications | Landline |
| 712-873 | Western Iowa Tel. Assn. | Landline |
| 712-874 | Western Iowa Tel. Assn. | Landline |
| 712-876 | Western Iowa Tel. Assn. | Landline |
| 712-877 | FracTEL | Landline |
| 712-878 | Ton80 Communications | Landline |
| 712-880 | Verizon Wireless | Wireless |
| 712-881 | Mapleton Communications Utility | Landline |
| 712-882 | Qwest Corporation | Landline |
| 712-883 | Qwest Corporation | Landline |
| 712-884 | Jordan-Soldier Valley Telephone Company | Landline |
| 712-885 | Windstream | Landline |
| 712-886 | Jordan-Soldier Valley Telephone Company | Landline |
| 712-887 | Verizon Wireless | Wireless |
| 712-888 | Telnyx | Landline |
| 712-889 | Western Iowa Tel. Assn. | Landline |
| 712-890 | AT&T (Teleport Communications) | Landline |
| 712-893 | Commchoice Of Iowa | Landline |
| 712-895 | Twilio | VoIP |
| 712-897 | Windstream | Landline |
| 712-898 | Verizon Wireless | Wireless |
| 712-899 | Verizon Wireless | Wireless |
| 712-900 | Onvoy (Sinch) | VoIP |
| 712-901 | Onvoy Spectrum (Sinch) | VoIP |
| 712-904 | T-Mobile | Wireless |
| 712-922 | Windstream | Landline |
| 712-923 | Northwest Iowa Telephone | Landline |
| 712-924 | Northwest Iowa Telephone | Landline |
| 712-925 | Verizon Wireless | Wireless |
| 712-926 | Ton80 Communications | Landline |
| 712-927 | AT&T Mobility | Wireless |
| 712-928 | Community Cable Tv Agcy O'Brien Co. dba Comm. | Landline |
| 712-929 | AT&T Mobility | Wireless |
| 712-930 | Community Cable Tv Agcy O'Brien Co. dba Comm. | Landline |
| 712-932 | Ton80 Communications | Landline |
| 712-933 | Royal Tel. | Landline |
| 712-934 | Northwest Iowa Telephone | Landline |
| 712-936 | Ip Horizon | Landline |
| 712-937 | Nuso | Landline |
| 712-938 | Qwest Corporation | Landline |
| 712-939 | Mcc Telephony | Landline |
| 712-941 | AT&T Mobility | Wireless |
| 712-942 | Northwest Iowa Telephone | Landline |
| 712-943 | Northwest Iowa Telephone | Landline |
| 712-944 | Western Iowa Tel. Assn. | Landline |
| 712-945 | Imon Communications | Landline |
| 712-946 | Northwest Iowa Telephone | Landline |
| 712-947 | Northern Iowa Tel. | Landline |
| 712-948 | Western Iowa Tel. Assn. | Landline |
| 712-949 | Community Cable Tv Agcy O'Brien Co. dba Comm. | Landline |
| 712-951 | AT&T Mobility | Wireless |
| 712-952 | T-Mobile | Wireless |
| 712-955 | Onvoy (Sinch) | VoIP |
| 712-957 | Community Cable Tv Agcy O'Brien Co. dba Comm. | Landline |
| 712-962 | Onvoy (Sinch) | VoIP |
| 712-963 | Frontier Communications | Landline |
| 712-964 | Alliance Communications Cooperative | Landline |
| 712-966 | FracTEL | Landline |
| 712-969 | Ton80 Communications | Landline |
| 712-973 | Windstream | Landline |
| 712-975 | AT&T Mobility | Wireless |
| 712-977 | FracTEL | Landline |
| 712-982 | Alliance Communications Cooperative, Inc. | Landline |
| 712-986 | Qwest Corporation | Landline |
| 712-991 | Bandwidth.com | VoIP |
| 712-992 | Windstream | Landline |
| 712-996 | Ton80 Communications | Landline |
| 712-999 | Coon Rapids Municipal Utility | Landline |
Line type reflects the registry assignment; ported numbers can differ. Unknown 712 number calling? ActiveArmor® screens it before you ever look it up.
Cities & Communities in and around Area Code 712
Communities the 712 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 |
|---|---|---|
| Alton | 51003, 51041 | Internet Air |
| Anita | 50020, 50274, 50002 | Internet Air |
| Anthon | 51004, 51044, 51016 | Internet Air |
| Arcadia | 51430, 51467, 51444 | Internet Air |
| Atlantic | 50022, 51544 | Internet Air |
| Audubon | 50025, 50117 | Internet Air |
| Avoca | 51521, 51577, 51536 | Internet Air |
| Blencoe | 51523, 51545, 51040 | Internet Air |
| Brayton | 50042, 50076 | Internet Air |
| Bronson | 51007, 51030, 51106 | Internet Air |
| Carroll | 51401, 51452, 51444 | Internet Air |
| Carter Lake | 51510, 68110, 68102 | Fiber up to 1 GIG |
| Correctionville | 51016, 51018, 51048 | Internet Air |
| Council Bluffs | 51501, 51503, 68108 | Fiber up to 1 GIG |
| Crescent | 51526, 68110, 51542 | Internet Air |
| Cushing | 51018, 51025, 51016 | Internet Air |
| Danbury | 51019, 51034, 51006 | Internet Air |
| Defiance | 51527, 51530, 51578 | Internet Air |
| Deloit | 51441, 51442, 51465 | Internet Air |
| Denison | 51442, 51520, 51441 | Internet Air |
| Doon | 51235, 51239, 51230 | Internet Air |
| Emmetsburg | 50536, 50528 | Internet Air |
| Estherville | 51334, 51363 | Internet Air |
| Exira | 50076, 50042, 50117 | Internet Air |
| Glenwood | 51534, 51561, 51554 | Internet Air |
| Harlan | 51537, 51578 | Internet Air |
| Hinton | 51024, 51108, 51038 | Internet Air |
| Hull | 51239, 51234, 51250 | Internet Air |
| Ida Grove | 51445, 51431, 51006 | Internet Air |
| Ireton | 51027, 51036, 51023 | Internet Air |
| Jefferson | 50129 | Internet Air |
| Larchwood | 51241, 51242, 56138 | Internet Air |
| Lawton | 51030, 51007, 51106 | Internet Air |
| Le Mars | 51031, 51008, 51045 | Internet Air |
| Manilla | 51454, 51432, 51527 | Internet Air |
| Manning | 51455, 51432, 50110 | Internet Air |
| Mapleton | 51034 | Internet Air |
| Minden | 51553, 51559, 51570 | Internet Air |
| Missouri Valley | 51555 | Internet Air |
| Moville | 51039, 51030 | Internet Air |
| Neola | 51559, 51553, 51576 | Internet Air |
| Onawa | 51040, 51523 | Internet Air |
| Orange City | 51041, 51003, 51036 | Internet Air |
| Pacific Junction | 51561, 51534, 68048 | Internet Air |
| Persia | 51563, 51565, 51570 | Internet Air |
| Rock Valley | 51247, 51239, 51235 | Internet Air |
| Salix | 51052, 51054, 51055 | Internet Air |
| Sanborn | 51248, 51231, 51245 | Internet Air |
| Sergeant Bluff | 51054, 51111, 51106 | Internet Air |
| Shelby | 51570, 51521 | Internet Air |
| Sheldon | 51201, 51244, 51231 | Internet Air |
| Sioux Center | 51250, 51041, 51036 | Internet Air |
| Sioux City | 51101, 51105, 51104 | Internet Air |
| Sloan | 51055, 51052, 51063 | Internet Air |
| Storm Lake | 50588, 50592, 51002 | Internet Air |
| Tabor | 51653, 51654 | Internet Air |
| Thurman | 51654, 51653, 51648 | Internet Air |
| Vail | 51465, 51467, 51441 | Internet Air |
| Walnut | 51577, 51552, 51521 | Internet Air |
| Westside | 51467, 51430, 51465 | Internet Air |
| Whiting | 51063, 51040, 51055 | Internet Air |
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.
712 Area Code Map
Area code 712 serves Sioux City and nearby communities in IA.
↓ Printable PDF
Open the printable 712 map (PDF) · All Iowa area codes · Home internet in Sioux City
Counties Covered by the 712 Area Code
Counties are served in whole or in part; population is U.S. Census Bureau ACS 2023. The 712 also reaches parts of Buena Vista County, Carroll County, Crawford County, Harrison County, Mills County, O'Brien County, Cass County, Lyon County and 8 more.
The 712, explained
Area Code 712: More Than a Number in Sioux City
In Sioux City, the 712 is more than digits on a caller ID. It’s one of the original area codes of 1947, and it has meant Sioux City and surrounding communities ever since — 631 carrier prefixes keep its lines busy today, and an established 712 number still says you’ve been here a while.
The map tells its own story: Sioux City and surrounding communities, with no overlay on its territory. The area and the code are still one and the same — rare in Iowa and getting rarer nationwide.
Keeping a 712 matters here. An existing 712 number ports to a new phone, a new carrier, or a new AT&T line, and stays yours anywhere in the U.S.
Need a new local number? Shop plans Keep your 712: bring it to AT&TInternet, wireless & stores in the 712
AT&T Home Internet in Area Code 712
AT&T home internet serves communities across area code 712, 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 712? AT&T Business Internet is available at many addresses.
Fiber install day in the 712Check your address ›
Moving to Area Code 712?
Set up home internet in area code 712 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 712 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 712
AT&T’s 5G network covers most of area code 712. ActiveArmor® spam blocking is included with every unlimited plan, your 712 number stays yours, and great cell phone deals in Sioux City are a tap away.
5G across the 712ActiveArmor® includedKeep your 712 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 712 number? Ask when you activate a line, and porting an existing 712 number keeps it yours.
Stay connected across Sioux CityShop wireless plans ›
AT&T Stores in Area Code 712
Looking for cell phone stores in area code 712? These stores answer on 712 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 Sioux CityFind your store ›
All AT&T Stores with 712 Numbers
Every store below answers on a 712 number. Tap any number to call.
4 AT&T stores with 712 numbers
International Calling from Area Code 712
Calling abroad from area code 712? 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 712 calls most:MexicoIndiaGuatemalaChinaVietnam
Top places of birth among foreign-born residents of the 712’s counties, U.S. Census Bureau ACS 2023.
Calling abroad from a 712 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.
Sioux City calls the worldSee international plans ›
712 Area Code Quick Facts & Dialing
StateIowa
Time zoneCentral
OverlaysNonethe 712 stands alone
Established1947original code
Dialing10 digits7-digit local calls may still work
Toll-free?Nogeographic code
Population455,000counties served, Census 2023
Largest citySioux City+60 more ›
How to dial a 712 number
| Scenario | Format | Example |
|---|---|---|
| Local call (within the region) | 712 + 7-digit number | (712) 555-0100 |
| Long distance (within the U.S.) | 1 + 712 + 7-digit number | 1 (712) 555-0100 |
| Calling 712 from another country | +1 712 + 7-digit number | +1 712 555 0100 |
| From a mobile phone | (712) + 7-digit number | (712) 555-0100 |
A Short History of Area Code 712
One of the original area codes of 1947, the 712 has served Sioux City and surrounding communities from the beginning. No splits or overlays have divided its territory since.
1947Assigned as one of the original 86 codes
In service since 1947, with no overlay on its territory today.
Nearby & Related Area Codes
Browse area codes by state: Iowa (5) · California (41) · Texas (29) · Florida (23) · all 50 states ›
Area Code 712 FAQ
What area code is 712?
712 is the area code for Sioux City, Iowa and the surrounding communities. It appears at the front of every local 10-digit phone number in the area.
Where is area code 712?
Area code 712 serves Sioux City, Iowa and nearby communities including Alton, Anita, Anthon. The full city list is in the cities table above.
Why did I get a text message from a 712 number?
The most common 712 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 712?
A 712 number usually means Sioux City 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 712?
Central time. The live local time is shown at the top of this page.
Why am I getting calls from 712 numbers?
712 is an active, legitimate Iowa 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 712 prefixes are drawing complaints right now.
Is 712 a toll-free number?
No. 712 is a geographic area code tied to Sioux City, Iowa. Toll-free calls come from 800, 833, 844, 855, 866, 877 and 888 numbers.
When was area code 712 created?
Area code 712 entered service in 1947 and still covers Sioux City and the surrounding Iowa communities today. The full timeline is in the history section above.
Which cities use area code 712?
The largest communities include Alton, Anita, Anthon, Arcadia, Atlantic. The full list is in the cities table above.
Does AT&T offer service in the 712?
Yes: home internet, wireless and retail stores across the 712. Availability is checked address by address.
Can I still get a 712 number?
Yes. Carriers in Sioux City and across the 712 still issue 712 numbers on new lines, and you can port an existing 712 number to any carrier.
Can I keep my 712 number if I move?
Yes. Phone numbers are portable: your 712 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.
