Look up any phone number starting with 623 to identify the owner name, address, spam reports, and more. The 623 area code serves the West Valley of the Phoenix metropolitan area in Arizona.
Enter a full 10-digit number to identify the caller and whether it has been reported as spam.
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Area code 623 covers the West Valley of the Phoenix metropolitan area, plus all of Phoenix north of Union Hills.
Area codes 602 , 480 , and 623 are part of an overlay complex for the entire Phoenix metropolitan area. Area code 602 was established in 1947. Area codes 480 and 623 were created in 1999. Ten-digit dialing is mandatory across the Valley.
Area code 623 is a general purpose code which was placed in service on March 1, 1999.
Our Arizona phone number lookup for the 623 area code analyzes the three-digit prefix to identify the initially assigned telecommunications company and rate center. This prefix code data may help to determine the U.S. carrier, Arizona geographic region, and local calling area associated with the phone number.
Phone numbers follow the following structure under the North American Numbering Plan:
Understanding the area code can help you determine if a call is local to your area. However, keep in mind that due to mobile number portability and VoIP services, the caller may be anywhere in the United States, so it’s best to search for the most recent phone number details.
| Company | Number of Prefixes |
|---|---|
| QWEST CORPORATION | 92 |
| CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ | 28 |
| T-MOBILE USA, INC. | 25 |
| NEW CINGULAR WIRELESS PCS, LLC | 18 |
| MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 12 |
| ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM | 8 |
| BANDWIDTH.COM CLEC, LLC - AZ | 6 |
| COMCAST IP PHONE, LLC | 6 |
| ONVOY, LLC - AZ | 6 |
| TELEPORT COMMUNICATIONS AMERICA, LLC - AZ | 6 |
| LEVEL 3 COMMUNICATIONS, LLC - AZ | 5 |
| METROPCS, INC. | 5 |
| XO ARIZONA, INC. | 3 |
| LEVEL 3 TELECOM OF ARIZONA, LLC - AZ | 2 |
| PEERLESS NETWORK OF ARIZONA, LLC - AZ | 2 |
| AT&T - LOCAL | 1 |
| CENTURYLINK COMMUNICATIONS, LLC | 1 |
| GILA LOCAL EXCHANGE CARRIER, INC. - AZ | 1 |
| GLOBAL CROSSING LOCAL SERVICES, INC. - AZ | 1 |
| MCLEODUSA TELECOMMUNICATION SERVICES, INC. - AZ | 1 |
Carrier names have been updated from their original FCC assignments to reflect current companies following mergers, acquisitions, and rebranding. Updates were determined using AI-assisted research and may not be accurate or reflect up to date changes. This data is provided without warranties of accuracy or completeness.
| Rate Center | Number of Prefixes |
|---|---|
| PHOENIX | 229 |
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