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AREA CODE · ARIZONA

Area code 623

Area code 623 covers Phoenix, Arizona. Map, time zone, overlays, carriers, the full list of prefixes and how to dial it.

State: Arizona Major City: Phoenix Mountain Time, no DST (MST) Overlay: 480/602/623
01 / WHERE IT IS

Where is area code 623?

Area code 623 is assigned to Phoenix and the surrounding region in Arizona. Calls to numbers that start with 623 are routed to this area.

Area code 623 shares its territory with 480, 602. Because it is an overlay, local calls require dialing all 10 digits.

Counties covered

Maricopa County

Line types

  • Mobile 32.04%
  • Landline 67.96%
02 / MAP

Area code 623 on the map

The shaded area joins the code’s numbering centers; the marker shows its main city.

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© OpenStreetMap contributors

03 / LOCAL TIME

Current time in Phoenix

This area code is in the Mountain Time, no DST (MST) time zone.

Local timePhoenix, AZ--:--:--

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America/PhoenixLive
04 / HOW TO DIAL

How to call Phoenix

WITHIN THE US623 XXX XXXX

Always 10 digits — landline, mobile or VoIP. Local, long distance or a different state: the format is always the same. You do not need to dial the 1 first.

FROM ABROAD+1 623 XXX XXXX

Exit codes: 00 Europe/Mexico · 011 Canada · 010 Japan · + universal

WHATSAPP / IMESSAGE+1 623 XXX XXXX

Always save the number in international format so messaging apps recognize it correctly:

Call typeTraditional landlineMobile / VoIP
Local (same area code)10 digits10 digits
US long distance1 + 10 digits10 digits
Emergency911911
🌐Universal+1 623 555 0123
🇪🇸🇲🇽Spain / Mexico00 1 623 555 0123
🇦🇺Australia0011 1 623 555 0123
🇯🇵Japan010 1 623 555 0123
HAVE THE FULL NUMBER?

Learn more about that number.

Check the line type and the carrier the number block was originally assigned to.

10 digits to see the carrier and line type of the number

05 / CARRIERS

Carriers in area code 623

Share of the number blocks by carrier and line type.

Landline

Lumen Technologies
53%
Sinch
13%
Verizon Business
6%
Comcast
5%
AT&T
4%
Others
18%

Mobile

T-MOBILE USA
39%
Verizon Wireless
31%
AT&T Mobility
22%
Sinch
6%
Boost Mobile
1%

Carrier shown is the original assignment of each number block and may differ today because of number portability.

06 / PREFIXES

Complete list of prefixes for area code 623

309 number blocks (NXX) assigned in this area code.

PrefixTypeCityCarrier
(623) 200 Landline Phoenix SinchONVOY, LLC - AZ
(623) 201 Landline Phoenix Verizon BusinessMCIMETRO ACCESS TRANSMISSION SERVICES LLC
(623) 202 Mobile Phoenix T-MOBILE USAT-MOBILE USA, INC.
(623) 203 Mobile Phoenix AT&T MobilityNEW CINGULAR WIRELESS PCS, LLC
(623) 204 Mobile Phoenix AT&T MobilityNEW CINGULAR WIRELESS PCS, LLC
(623) 205 Mobile Phoenix AT&T MobilityNEW CINGULAR WIRELESS PCS, LLC
(623) 206 Mobile Phoenix AT&T MobilityNEW CINGULAR WIRELESS PCS, LLC
(623) 207 Landline Phoenix Lumen TechnologiesQWEST CORPORATION
(623) 208 Mobile Phoenix Verizon WirelessCELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ
(623) 209 Landline Phoenix Ziply FiberELECTRIC LIGHTWAVE LLC DBA ALLSTREAM

Showing 10 of 309 prefixes

07 / FAQ

Frequently asked questions about area code 623

Where is area code 623 used?
Area code 623 serves Phoenix and the surrounding area in Arizona, including Maricopa County.
What city is area code 623 from?
The main city of area code 623 is Phoenix, AZ.
What time zone is area code 623 in?
Area code 623 is in the Mountain Time, no DST (MST) time zone (America/Phoenix).
Is 623 an overlay area code?
Yes. It shares its territory with 480, 602. In an overlay, every call requires dialing all 10 digits.
How do I call a number with area code 623 from the United States?
Dial the 10 digits: 623 + 7-digit number. For some long-distance calls from a landline you may need to add a 1 first.
How do I call a 623 number from another country?
Dial your country's exit code (or +), then 1, then 623 and the seven-digit number. From a mobile you can use +1 623 XXX XXXX.
Which carriers use area code 623?
Most landline blocks belong to Lumen Technologies and most mobile blocks to T-MOBILE USA. The carrier shown is the original assignment and may differ today because of number portability.
Is area code 623 for landlines, mobiles or both?
Both. About 67.96% of the number blocks are landline, 32.04% mobile.
How do I save a 623 number in WhatsApp or my phone?
Save it in international format: +1 623 XXX XXXX. That way WhatsApp, iMessage and Telegram recognize it from any country.
Is it safe to answer calls from area code 623?
The area code only shows the region a number was assigned to; it does not tell you who is calling. Scammers can fake any area code, so do not share personal or banking information with unknown callers, and let unknown numbers go to voicemail.
KEEP EXPLORING

Nearby area codes

725Las Vegas, NV702Las Vegas, NV442Victorville: Victorville DA, CA760Palm Springs, CA619San Diego: San Diego DA, CA858La Jolla, CA

Other area codes in Arizona

480 · Phoenix520 · Tucson602 · Phoenix928 · Yuma

View all Arizona area codes →