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Arizona · Mountain Time  Updated July 2026

Area Code 623

Phoenix and surrounding communities

Area code 623 serves Phoenix, Arizona and communities including Anthem, Arlington, Avondale and more. Every city it covers is listed below, with who-called help, the live local time and the full prefix registry.

Getting calls from a 623 number? The code is legit, but spoofing is common. Look up the prefix ›
StateArizona
Largest cityPhoenix
Local time11:00 PM MST
Nearby602 · 480 · 928
Since1999
Call now?Late in Phoenix. Consider texting

Who Called Me from Area Code 623?

Quick answerA 623 call usually comes from Phoenix 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 623 prefixes, right on this page.
  • Curious who issued a number? Every 623 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 623 prefixes this month
PrefixReported patternReport volume
(623) 581-XXXXRobocall-heavy
(623) 999-XXXXRobocall-heavy
(623) 303-XXXXRobocall-heavy
(623) 224-XXXXRobocall-heavy
(623) 264-XXXXRobocall-heavy

278 unwanted-call reports naming 623 numbers in FTC Do Not Call complaint data, July 2–17, 2026. Consumer-reported and unverified.

Block spam calls in the 623, 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℠ trial
Try 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
Start your free trialCompatible iPhone required. 5G requires a compatible plan and device; coverage not available everywhere. Terms & restrictions apply.
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 623 a Scam?

No. 623 is a legitimate Phoenix area code.

It’s added to the 602 region in 1999 and serves Phoenix 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 602 region in 1999; 310 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 623 numbers

The most common area code 623 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 623

Caller ID is easy to forge. Spoofing fakes the number a call displays. The real owner of that 623 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 623 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 623 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.

623 Area Code Prefix & Carrier Lookup

The three digits after the area code identify the carrier a number was issued to. All 310 assigned 623 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 623 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.

310 prefixes · updated monthly
PrefixCarrierLine type
623-200Onvoy (Sinch)VoIP
623-201Verizon Business (MCImetro)Landline
623-202T-MobileWireless
623-203AT&T MobilityWireless
623-204AT&T MobilityWireless
623-205AT&T MobilityWireless
623-206AT&T MobilityWireless
623-207Qwest CorporationLandline
623-208Verizon WirelessWireless
623-209Allstream (Electric Lightwave)Landline
623-210T-MobileWireless
623-212T-MobileWireless
623-213T-MobileWireless
623-214Qwest CorporationLandline
623-215Windstream (Paetec)Landline
623-216Metro by T-Mobile (MetroPCS)Wireless
623-217T-MobileWireless
623-218Verizon Business (MCImetro)Landline
623-219Metro by T-Mobile (MetroPCS)Wireless
623-220Onvoy (Sinch)VoIP
623-221T-MobileWireless
623-222Qwest CorporationLandline
623-223AT&T MobilityWireless
623-224AT&T MobilityWireless
623-225AT&T MobilityWireless
623-226Metro by T-Mobile (MetroPCS)Wireless
623-227Bandwidth.comVoIP
623-228AT&T (Teleport Communications)Landline
623-229AT&T MobilityWireless
623-230T-MobileWireless
623-231Lumen (Level 3)VoIP
623-232Qwest CorporationLandline
623-233Verizon WirelessWireless
623-234Qwest CorporationLandline
623-235Qwest CorporationLandline
623-236Verizon WirelessWireless
623-237Verizon WirelessWireless
623-238Verizon WirelessWireless
623-239T-MobileWireless
623-240Verizon Business (MCImetro)Landline
623-241AT&T MobilityWireless
623-242Lumen (Level 3)VoIP
623-243Verizon WirelessWireless
623-244Onvoy (Sinch)VoIP
623-245Qwest CorporationLandline
623-246Metro by T-Mobile (MetroPCS)Wireless
623-247Qwest CorporationLandline
623-248Qwest CorporationLandline
623-249Verizon WirelessWireless
623-250Bandwidth.comVoIP
623-251Verizon WirelessWireless
623-252Lumen (Level 3)VoIP
623-253Lumen (Level 3)VoIP
623-254Metro by T-Mobile (MetroPCS)Wireless
623-255T-MobileWireless
623-256Comcast (Xfinity Voice)VoIP
623-257Bandwidth.comVoIP
623-258Verizon WirelessWireless
623-259Lumen (Level 3)VoIP
623-260Onvoy (Sinch)VoIP
623-261T-MobileWireless
623-262Verizon WirelessWireless
623-263Onvoy (Sinch)VoIP
623-264T-MobileWireless
623-265Lumen (CenturyLink)Landline
623-266Comcast (Xfinity Voice)VoIP
623-267Ton80 CommunicationsLandline
623-268T-MobileWireless
623-269Comcast (Xfinity Voice)VoIP
623-270Comcast (Xfinity Voice)VoIP
623-271Verizon WirelessWireless
623-272T-MobileWireless
623-273T-MobileWireless
623-274Lumen (Level 3)VoIP
623-275T-MobileWireless
623-276T-MobileWireless
623-277AT&T MobilityWireless
623-278TelnyxLandline
623-279Onvoy Spectrum (Sinch)VoIP
623-280T-MobileWireless
623-281T-MobileWireless
623-282Verizon Business (MCImetro)Landline
623-283Onvoy (Sinch)VoIP
623-284T-MobileWireless
623-285Qwest CorporationLandline
623-286T-MobileWireless
623-287CommioLandline
623-288Onvoy (Sinch)VoIP
623-289Bandwidth.comVoIP
623-290T-MobileWireless
623-291NusoLandline
623-292Metro by T-Mobile (MetroPCS)Wireless
623-293AT&T (Teleport Communications)Landline
623-294Onvoy (Sinch)VoIP
623-295Bandwidth.comVoIP
623-296T-MobileWireless
623-297T-MobileWireless
623-298Verizon Business (MCImetro)Landline
623-299Verizon Business (MCImetro)Landline
623-300Onvoy (Sinch)VoIP
623-301Verizon WirelessWireless
623-302Verizon WirelessWireless
623-303Onvoy (Sinch)VoIP
623-304Onvoy (Sinch)VoIP
623-305AT&T MobilityWireless
623-306Onvoy Spectrum (Sinch)VoIP
623-307Allo CommunicationsLandline
623-308AT&T (Teleport Communications)Landline
623-309Onvoy Spectrum (Sinch)VoIP
623-312Comcast (Xfinity Voice)VoIP
623-313AT&T MobilityWireless
623-320T-MobileWireless
623-321Onvoy (Sinch)VoIP
623-322Comcast (Xfinity Voice)VoIP
623-323Onvoy (Sinch)VoIP
623-324Onvoy Spectrum (Sinch)VoIP
623-326T-MobileWireless
623-327Qwest CorporationLandline
623-328Qwest CorporationLandline
623-329AT&T MobilityWireless
623-330T-MobileWireless
623-332T-MobileWireless
623-333Qwest CorporationLandline
623-334Qwest CorporationLandline
623-335Bandwidth.comVoIP
623-336AT&T MobilityWireless
623-337AT&T (Teleport Communications)Landline
623-340T-MobileWireless
623-341T-MobileWireless
623-343Onvoy (Sinch)VoIP
623-344Allstream (Electric Lightwave)Landline
623-349Allstream (Electric Lightwave)Landline
623-352Onvoy (Sinch)VoIP
623-356FracTELLandline
623-362Qwest CorporationLandline
623-363AT&T MobilityWireless
623-373Voip InnovationsVoIP
623-374Qwest CorporationLandline
623-376Qwest CorporationLandline
623-377Verizon WirelessWireless
623-383Onvoy (Sinch)VoIP
623-385Lumen (Level 3)VoIP
623-386Qwest CorporationLandline
623-387AT&T MobilityWireless
623-388Qwest CorporationLandline
623-393Qwest CorporationLandline
623-396AT&T MobilityWireless
623-398Xo ArizonaLandline
623-399T-MobileWireless
623-400FracTELLandline
623-401Onvoy (Sinch)VoIP
623-404Lumen (CenturyLink)Landline
623-412Qwest CorporationLandline
623-414Allstream (Electric Lightwave)Landline
623-418AT&T MobilityWireless
623-419AT&T MobilityWireless
623-428Bandwidth.comVoIP
623-432T-MobileWireless
623-433T-MobileWireless
623-434Qwest CorporationLandline
623-435Qwest CorporationLandline
623-439Onvoy Spectrum (Sinch)VoIP
623-440Comcast (Xfinity Voice)VoIP
623-444AT&T (Teleport Communications)Landline
623-445Qwest CorporationLandline
623-451T-MobileWireless
623-455Lumen (Level 3)VoIP
623-456Boost MobileLandline
623-462Onvoy (Sinch)VoIP
623-463Qwest CorporationLandline
623-465Qwest CorporationLandline
623-466Comcast (Xfinity Voice)VoIP
623-469Bandwidth.comVoIP
623-471Qwest CorporationLandline
623-473Verizon WirelessWireless
623-474Qwest CorporationLandline
623-476Verizon Business (MCImetro)Landline
623-478Qwest CorporationLandline
623-486Qwest CorporationLandline
623-487Qwest CorporationLandline
623-492Qwest CorporationLandline
623-498AT&T MobilityWireless
623-499Verizon Business (MCImetro)Landline
623-500Onvoy (Sinch)VoIP
623-505Lumen (Level 3)VoIP
623-512Allstream (Electric Lightwave)Landline
623-516Qwest CorporationLandline
623-518Verizon Business (MCImetro)Landline
623-521T-MobileWireless
623-522Metro by T-Mobile (MetroPCS)Wireless
623-523Qwest CorporationLandline
623-524Qwest CorporationLandline
623-526Onvoy (Sinch)VoIP
623-533T-MobileWireless
623-535Qwest CorporationLandline
623-536Qwest CorporationLandline
623-537Qwest CorporationLandline
623-544Qwest CorporationLandline
623-546Qwest CorporationLandline
623-547Qwest CorporationLandline
623-551Qwest CorporationLandline
623-552T-MobileWireless
623-556Qwest CorporationLandline
623-561Qwest CorporationLandline
623-562Comcast (Xfinity Voice)VoIP
623-565Allstream (Electric Lightwave)Landline
623-566Qwest CorporationLandline
623-570T-MobileWireless
623-572Qwest CorporationLandline
623-580Qwest CorporationLandline
623-581Qwest CorporationLandline
623-582Qwest CorporationLandline
623-583Qwest CorporationLandline
623-584Qwest CorporationLandline
623-587Qwest CorporationLandline
623-594Comcast (Xfinity Voice)VoIP
623-600FracTELLandline
623-606AT&T MobilityWireless
623-624Onvoy (Sinch)VoIP
623-628T-MobileWireless
623-632Onvoy Spectrum (Sinch)VoIP
623-633Verizon WirelessWireless
623-640Verizon WirelessWireless
623-643Qwest CorporationLandline
623-663Onvoy (Sinch)VoIP
623-666Onvoy (Sinch)VoIP
623-670Verizon WirelessWireless
623-680Verizon WirelessWireless
623-683Comcast (Xfinity Voice)VoIP
623-687Verizon Business (MCImetro)Landline
623-688Verizon WirelessWireless
623-691Qwest CorporationLandline
623-692Verizon WirelessWireless
623-693Verizon WirelessWireless
623-694Verizon WirelessWireless
623-695Verizon WirelessWireless
623-696Verizon WirelessWireless
623-698Verizon WirelessWireless
623-703T-MobileWireless
623-707AT&T (Teleport Communications)Landline
623-715AT&T (Teleport Communications)Landline
623-734Verizon Business (MCImetro)Landline
623-738Lumen (Level 3)VoIP
623-742Qwest CorporationLandline
623-745Verizon Business (MCImetro)Landline
623-748Lumen (Level 3)VoIP
623-755AT&T MobilityWireless
623-759Verizon Business (MCImetro)Landline
623-760AT&T (Teleport Communications)Landline
623-764Metro by T-Mobile (MetroPCS)Wireless
623-772Qwest CorporationLandline
623-773Qwest CorporationLandline
623-776Qwest CorporationLandline
623-777Peerless NetworkVoIP
623-780Qwest CorporationLandline
623-792Lumen (Level 3)VoIP
623-800Onvoy (Sinch)VoIP
623-806Gila Local Exchange CarrierLandline
623-810Verizon WirelessWireless
623-815Qwest CorporationLandline
623-824AT&T (Teleport Communications)Landline
623-825Qwest CorporationLandline
623-826Verizon WirelessWireless
623-832Qwest CorporationLandline
623-842Qwest CorporationLandline
623-845Qwest CorporationLandline
623-846Qwest CorporationLandline
623-847Qwest CorporationLandline
623-848Qwest CorporationLandline
623-849Qwest CorporationLandline
623-850Allstream (Electric Lightwave)Landline
623-853Qwest CorporationLandline
623-856Qwest CorporationLandline
623-866Qwest CorporationLandline
623-869Qwest CorporationLandline
623-872Qwest CorporationLandline
623-873Qwest CorporationLandline
623-875Qwest CorporationLandline
623-876Qwest CorporationLandline
623-877Qwest CorporationLandline
623-878Qwest CorporationLandline
623-879Qwest CorporationLandline
623-882Qwest CorporationLandline
623-887Onvoy (Sinch)VoIP
623-888Peerless NetworkVoIP
623-889Allstream (Electric Lightwave)Landline
623-900Onvoy (Sinch)VoIP
623-907Qwest CorporationLandline
623-910Verizon WirelessWireless
623-915Qwest CorporationLandline
623-920Onvoy (Sinch)VoIP
623-925Qwest CorporationLandline
623-930Qwest CorporationLandline
623-931Qwest CorporationLandline
623-932Qwest CorporationLandline
623-933Qwest CorporationLandline
623-934Qwest CorporationLandline
623-935Qwest CorporationLandline
623-936Qwest CorporationLandline
623-937Qwest CorporationLandline
623-939Qwest CorporationLandline
623-955Allo CommunicationsLandline
623-972Qwest CorporationLandline
623-974Qwest CorporationLandline
623-975Qwest CorporationLandline
623-977Qwest CorporationLandline
623-979Qwest CorporationLandline
623-980Verizon WirelessWireless
623-986Verizon WirelessWireless
623-999Onvoy (Sinch)VoIP

Line type reflects the registry assignment; ported numbers can differ. Unknown 623 number calling? ActiveArmor® screens it before you ever look it up.

Cities & Communities in and around Area Code 623

Communities the 623 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 / communityKey ZIP codesAT&T internet
Glendale85301, 85303, 85302Fiber up to 1 GIG
Phoenix85021, 85029, 85020Fiber up to 1 GIG
Sun City85351, 85363, 85378Fiber up to 1 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.

623 Area Code Map

Area code 623 serves Phoenix and nearby communities in AZ.

Map of area code 623 coverage in Arizona↓  Printable PDF

Open the printable 623 map (PDF) · All Arizona area codes · Home internet in Phoenix

Counties Covered by the 623 Area Code

Maricopa County
Share of combined population100%
Population4,420,568
Largest 623 cityPhoenix

Counties are served in whole or in part; population is U.S. Census Bureau ACS 2023.

The 623, explained

Area Code 623: More Than a Number in Phoenix

In Phoenix, the 623 is more than digits on a caller ID. It arrived in 1999, layered onto the 602 region, and it has meant Phoenix and surrounding communities ever since — 310 carrier prefixes keep its lines busy today, and an established 623 number still says you’ve been here a while.

The map tells its own story: Phoenix and surrounding communities, with 480 and 602 sharing the same streets today. Several codes, one local calling area, no long-distance between any of them — only the 623 came first.

Keeping a 623 matters here. An existing 623 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 480 instead — one more reason locals hold on to theirs.

Need a new local number? Shop plans Keep your 623: bring it to AT&T

Internet, wireless & stores in the 623

AT&T Home Internet in Area Code 623

AT&T home internet serves communities across area code 623, 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.

Check availability at your addressHome internet in Phoenix ›

Pair it with wireless in an internet + wireless bundle. Run a business in the 623? AT&T Business Internet is available at many addresses.

Family streaming together on AT&T home internet
Fiber install day in the 623Check your address ›

Moving to Area Code 623?

Set up home internet in area code 623 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 623 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.
Plan your move with AT&T
Couple setting up internet on a laptop among moving boxes
Get set up before move-in dayPlan your move ›

AT&T Wireless in Area Code 623

AT&T’s 5G network covers most of area code 623. ActiveArmor® spam blocking is included with every unlimited plan, your 623 number stays yours, and great cell phone deals in Phoenix are a tap away.

5G across the 623ActiveArmor® includedKeep your 623 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.

Shop wireless plansBring your 623 number ›

Need a new 623 number? Ask when you activate a line: the 623 shares its territory with 480 and 602, so new lines may draw one of those codes, and porting an existing 623 number keeps it yours.

See the AT&T wireless coverage map for the 623 ›

Woman smiling at her phone on an Phoenix street
Stay connected across PhoenixShop wireless plans ›

AT&T Stores in Area Code 623

Looking for cell phone stores in area code 623? These stores answer on 623 numbers — walk in for switching, porting, upgrades and hands-on help:

Phoenix AT&T Store Cave Creek Marketplace 20235 N Cave Creek Rd, Phoenix+1 623-292-2202
Phoenix AT&T Store Carefree Hwy 3134 W Carefree Hwy, Phoenix+1 623-269-8629
Phoenix AT&T Store Camelback 9925 W Camelback Rd, Phoenix+1 623-772-8443
Cell phone stores in Phoenix › All 35 locations: company owned and authorized retailers

Every AT&T store in the region, company owned and authorized retailer alike, each with its own store page.

AT&T store employee helping a customer with her phone
Real help from real people in PhoenixFind your store ›

All AT&T Stores with 623 Numbers

Every store below answers on a 623 number. Tap any number to call.

17 AT&T stores with 623 numbers
CityStorePhone
BuckeyeAT&T Store Buckeye+1 623-201-8612
ChandlerAT&T Store Ocotillo+1 623-250-6176
GlendaleAT&T Store Glendale+1 623-248-9217
GlendaleAT&T Store Peoria+1 623-878-8300
GlendaleAT&T Store 67th & Camelback+1 623-289-7040
GlendaleAT&T Store Westgate+1 623-234-3100
GoodyearAT&T Store Goodyear+1 623-337-5382
LaveenAT&T Store Shoppes At Rogers Ranch+1 623-292-2200
PeoriaAT&T Store Lake Pleasant+1 623-299-7979
PhoenixAT&T Store Cave Creek Marketplace+1 623-292-2202
PhoenixAT&T Store Happy Valley+1 623-404-2186
PhoenixAT&T Store Carefree Hwy+1 623-269-8629
PhoenixAT&T Store Camelback+1 623-772-8443
San Tan ValleyAT&T Store Ironwood+1 623-267-4277
SurpriseAT&T Store Surprise+1 623-267-9333
TollesonAT&T Store 99th Ave+1 623-936-7090
TollesonAT&T Store Tolleson+1 623-278-0008

International Calling from Area Code 623

Calling abroad from area code 623? 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 623 calls most:MexicoIndiaCanadaPhilippinesChina

Top places of birth among foreign-born residents of the 623’s counties, U.S. Census Bureau ACS 2023.

Calling abroad from a 623 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.

See international calling plans
Father and son waving during a video call with family abroad
Phoenix calls the worldSee international plans ›

623 Area Code Quick Facts & Dialing

StateArizona
Time zoneMountainno daylight saving time
Overlays480 · 602share this territory
Established1999added to the 602 region
Dialing10 digitsrequired
Toll-free?Nogeographic code
Population4.42Mcounties served, Census 2023
Largest cityPhoenix+2 more ›

How to dial a 623 number

ScenarioFormatExample
Local call (within the region)623 + 7-digit number(623) 555-0100
Long distance (within the U.S.)1 + 623 + 7-digit number1 (623) 555-0100
Calling 623 from another country+1 623 + 7-digit number+1 623 555 0100
From a mobile phone(623) + 7-digit number(623) 555-0100

A Short History of Area Code 623

Added in 1999 to the 602 region, the 623 serves Phoenix and surrounding communities. No splits or overlays have divided its territory since.

1999Added to the 602 region

In service since 1999. Today the 623’s territory is shared with overlay codes 480 and 602, so ten-digit dialing is required.

Nearby & Related Area Codes

602Overlay480Overlay928Also Arizona520Also Arizona702NV

Browse area codes by state: Arizona (5) · California (41) · Texas (29) · Florida (23) · all 50 states ›

Area Code 623 FAQ

What area code is 623?
623 is the area code for Phoenix, Arizona and the surrounding communities. It appears at the front of every local 10-digit phone number in the area.
Where is area code 623?
Area code 623 serves Phoenix, Arizona and nearby communities including Anthem, Arlington, Avondale. The full city list is in the cities table above.
Why did I get a text message from a 623 number?
The most common 623 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 623?
A 623 number usually means Phoenix 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 623?
Mountain time. The live local time is shown at the top of this page.
Why am I getting calls from 623 numbers?
623 is an active, legitimate Arizona 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 623 prefixes are drawing complaints right now.
Is 623 a toll-free number?
No. 623 is a geographic area code tied to Phoenix, Arizona. Toll-free calls come from 800, 833, 844, 855, 866, 877 and 888 numbers.
What’s the difference between 623 and 602?
Nothing on the map: 623 is an overlay of 602, covering the same Phoenix area. Calls between them are local; only the three digits at the front differ. Overlay codes 480 share the same map.
Which cities use area code 623?
The largest communities include Glendale, Phoenix, Sun City. The full list is in the cities table above.
Does AT&T offer service in the 623?
Yes: home internet, wireless and retail stores across the 623. Availability is checked address by address.
Can I still get a 623 number?
Yes. Carriers in Phoenix and across the 623 still issue 623 numbers on new lines, and you can port an existing 623 number to any carrier. Newer lines in the same area may also receive numbers from an overlay code.
Can I keep my 623 number if I move?
Yes. Phone numbers are portable: your 623 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.
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