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North American Area CodeMountain (MST) Time Zone

Area Code 623 Location & Details

State / Region: Arizona • Country: United States

Major Cities Covered: Phoenix, Glendale, Scottsdale, Peoria, Tempe, Surprise, Avondale, El Mirage, Fountain Hills, Paradise Valley

Standard Dial Format
+1 (623) XXX-XXXX
Country Code: +1 (NANP Format)
What State is Area Code 623?
ArizonaState Hub →
Country Territory
United States
623 Area Code Time Zone
Mountain (MST)
623 Overlay Codes
480, 602

Area Code 623 Geographic Map

Interactive location bounds and coverage area for Arizona (Mountain (MST) Timezone)

Lat: 33.60° • Lng: -112.13°
📍 Geographic Center: ArizonaMap data © OpenStreetMap contributors

Where is Area Code 623 Located?

Telephone area code 623 is assigned to Arizona in United States. It serves cities and metropolitan communities including Phoenix, Glendale, Scottsdale, Peoria, Tempe, Surprise, Avondale, El Mirage, Fountain Hills, Paradise Valley.

Historical Context & Area Code Overlay Information:623 serves Arizona (United States).

For local and long-distance calls within area code 623, standard 10-digit dialing (623) XXX-XXXX applies.

Who Called Me from Area Code 623?

Received an unknown call, missed call, or text scam from area code 623? Here is how to trace who is calling from 623 area code and verify unknown numbers safely:

1.
Identify Missed Calls & Voicemails:

Legitimate contacts usually leave a detailed voicemail or caller ID record.

2.
Watch Out for Neighbor Spoofing:

Robocallers often fake incoming caller ID numbers using your local 623 prefix to boost pick-up rates.

3.
Reverse Phone Lookup Area Code 623:

Search public white-pages or use caller intelligence guides before returning unfamiliar calls.

Learn How Reverse Phone Lookups Work→

How to Call Area Code 623 & Dialing Format

When placing a phone call to a number in area code 623, follow the correct dialing format depending on your calling location:

  • Calling from inside the US / Canada (+1): Dial 1 + (623) + 7-digit number.
  • Calling from an international location outside +1: Dial your country's international exit code (e.g. 011 in US or + on mobile) + 1 + 623 + 7-digit number.
  • Do I need to dial area code 623 for local calls? Yes, 10-digit dialing (area code + line number) is mandatory across North American telephone networks.

Top Cities & Municipalities Served in Area Code 623

Urban centers, census places, and communities within the +1-623 calling area

14 Major Cities Listed
City NameCountyPopulation% of 623 Pop
PhoenixMaricopa County1,665,48156.8%
GlendaleMaricopa County260,5728.9%
ScottsdaleMaricopa County243,0068.3%
PeoriaMaricopa County200,8816.9%
TempeMaricopa County190,5716.5%
SurpriseMaricopa County175,3046.0%
AvondaleMaricopa County100,9833.4%
El MirageMaricopa County35,8201.2%
Fountain HillsPinal County23,6250.8%
Paradise ValleyMaricopa County12,2510.4%
YoungtownMaricopa County7,0390.2%
Litchfield ParkMaricopa County6,7270.2%
Cave CreekMaricopa County5,1600.2%
CarefreeMaricopa County3,6000.1%

Counties Covered by Area Code 623

Geographic county distribution and population coverage across Arizona

County NameTotal Population% of 623 Area% of County
Maricopa County4,654,14799.2%62%
Pinal County515,7260.8%5%

☎️Area Code 623 Exchange Prefixes & Carriers

Showing 50 of 324 central office 3-digit prefixes and assigned telecom carriers

55% Landline31% Wireless14% VoIP
PrefixLine UsageRate CenterAssigned CarrierAssign Date
(623) 200-💻VoIPPHOENIXONVOY, LLC - AZ10/27/2015
(623) 201-📞LandlinePHOENIXMCIMETRO ACCESS TRANSMISSION SERVICES LLC07/11/2008
(623) 202-📱WirelessPHOENIXT-MOBILE USA, INC.02/14/2001
(623) 203-📱WirelessPHOENIXNEW CINGULAR WIRELESS PCS, LLC01/18/2001
(623) 204-📱WirelessPHOENIXNEW CINGULAR WIRELESS PCS, LLC03/07/2001
(623) 205-📱WirelessPHOENIXNEW CINGULAR WIRELESS PCS, LLC03/07/2001
(623) 206-📱WirelessPHOENIXNEW CINGULAR WIRELESS PCS, LLC03/07/2001
(623) 207-📞LandlinePHOENIXQWEST CORPORATION06/05/2008
(623) 208-📱WirelessPHOENIXCELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ06/03/2008
(623) 209-📞LandlinePHOENIXELECTRIC LIGHTWAVE LLC DBA ALLSTREAMN/A
(623) 210-📱WirelessPHOENIXT-MOBILE USA, INC.N/A
(623) 211-📞LandlineXXXXXXXXXXMULTIPLE OCN LISTINGN/A
(623) 212-📱WirelessPHOENIXT-MOBILE USA, INC.01/11/2023
(623) 213-📱WirelessPHOENIXT-MOBILE USA, INC.03/22/2016
(623) 214-📞LandlinePHOENIXQWEST CORPORATIONN/A
(623) 215-📞LandlinePHOENIXPAETEC ITEL, LLC03/21/2001
(623) 216-📱WirelessPHOENIXMETROPCS, INC.09/19/2014
(623) 217-📱WirelessPHOENIXT-MOBILE USA, INC.N/A
(623) 218-📞LandlinePHOENIXMCIMETRO ACCESS TRANSMISSION SERVICES LLCN/A
(623) 219-📱WirelessPHOENIXMETROPCS, INC.01/19/2015
(623) 220-💻VoIPPHOENIXONVOY, LLC - AZ02/23/2024
(623) 221-📱WirelessPHOENIXT-MOBILE USA, INC.N/A
(623) 222-📞LandlinePHOENIXQWEST CORPORATION03/29/2007
(623) 223-📱WirelessPHOENIXNEW CINGULAR WIRELESS PCS, LLC06/30/2009
(623) 224-📱WirelessPHOENIXNEW CINGULAR WIRELESS PCS, LLC02/13/2009
(623) 225-📱WirelessPHOENIXNEW CINGULAR WIRELESS PCS, LLC03/07/2002
(623) 226-📱WirelessPHOENIXMETROPCS, INC.03/09/2016
(623) 227-💻VoIPPHOENIXBANDWIDTH.COM CLEC, LLC - AZ11/13/2014
(623) 228-📞LandlinePHOENIXTELEPORT COMMUNICATIONS AMERICA, LLC - AZ06/26/2015
(623) 229-📱WirelessPHOENIXNEW CINGULAR WIRELESS PCS, LLC07/17/2001
(623) 230-📱WirelessPHOENIXT-MOBILE USA, INC.04/21/2016
(623) 231-📞LandlinePHOENIXLEVEL 3 COMMUNICATIONS, LLC - AZ03/29/2018
(623) 232-📞LandlinePHOENIXQWEST CORPORATION10/19/2016
(623) 233-📱WirelessPHOENIXCELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ10/21/2016
(623) 234-📞LandlinePHOENIXQWEST CORPORATION12/31/2007
(623) 235-📞LandlinePHOENIXQWEST CORPORATION05/10/2016
(623) 236-📱WirelessPHOENIXCELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ03/22/2007
(623) 237-📱WirelessPHOENIXCELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ06/21/2007
(623) 238-📱WirelessPHOENIXCELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ08/24/2006
(623) 239-📱WirelessPHOENIXT-MOBILE USA, INC.09/07/2007
(623) 240-📞LandlinePHOENIXMCIMETRO ACCESS TRANSMISSION SERVICES LLC06/15/2009
(623) 241-📱WirelessPHOENIXNEW CINGULAR WIRELESS PCS, LLC02/23/2007
(623) 242-📞LandlinePHOENIXLEVEL 3 COMMUNICATIONS, LLC - AZ01/05/2006
(623) 243-📱WirelessPHOENIXCELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ02/05/2007
(623) 244-💻VoIPPHOENIXONVOY, LLC - AZ08/24/2018
(623) 245-📞LandlinePHOENIXQWEST CORPORATIONN/A
(623) 246-📱WirelessPHOENIXMETROPCS, INC.01/14/2019
(623) 247-📞LandlinePHOENIXQWEST CORPORATIONN/A
(623) 248-📞LandlinePHOENIXQWEST CORPORATION02/14/2019
(623) 249-📱WirelessPHOENIXCELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ05/23/2007

Frequently Asked Questions about Area Code 623

Where is area code 623 located?

Area code 623 is located in Arizona (United States), serving cities like Phoenix, Glendale, Scottsdale, Peoria, Tempe, Surprise, Avondale, El Mirage, Fountain Hills, Paradise Valley.

What timezone is area code 623?

Area code 623 operates in the Mountain (MST) timezone.

What state is area code 623?

Area code 623 is assigned to the state / telecom territory of Arizona.

Is area code 623 a scam or dangerous?

Area code 623 is an official geographic area code for Arizona. However, beware of robocaller spoofing.

Arizona State Area Codes

View complete directory of telephone area codes assigned to Arizona.

Explore Arizona Directory

Get a 623 Business Phone Number

How to acquire a virtual phone number or business line with area code 623 for local customer trust in Arizona.

Get 623 Business Number
🛡️ Scam & Safety Directory

Check high-risk international callback scam area codes and robocall warning databases.

Scam Area Codes 2026

Overlay & Nearby Area Codes for Arizona

Explore neighboring telecom prefixes sharing geographical boundaries with area code 623.

480
Mountain (MST)
Area Code 480
Phoenix, Mesa, Gilbert, Chandler, Glendale, Scottsdale, Peoria, Tempe, Surprise, El Mirage
602
Mountain (MST)
Area Code 602
Phoenix, Glendale, Scottsdale, Peoria, Tempe, Surprise, El Mirage, Fountain Hills, Paradise Valley, Youngtown
520
Mountain (MST)
Area Code 520
Tucson, Mesa, Gilbert, Chandler, Goodyear, Avondale, Queen Creek, Maricopa, Casa Grande, Marana
928
Mountain (MST)
Area Code 928
Buckeye, Yuma, Flagstaff, Lake Havasu City, Prescott Valley, Prescott, Bullhead City, San Luis, Kingman, Eloy