Prefix 602-603 — Phoenix, AZ
The 602-603 prefix belongs to area code 602 and is anchored to the Phoenix rate center (AZ). In NANP terms, the prefix — or NXX — determines the rate center a number is billed against.
Phoenix is part of the Phoenix-Mesa-Chandler, AZ Metropolitan Statistical Area. For routing purposes it sits in LATA 666. Numbers here keep Mountain time.
Code-holder of record: VONAGE AMERICA LLC (OCN 197D), assigned September 2, 2016. The prefix is pooled: its ten thousands-blocks can be shared among several carriers, so different 602-603 numbers may be served by different companies.
Caller ID showing 602-603 is not proof the call came from Phoenix: spoofing and porting both detach numbers from their origin. To verify a caller, hang up and dial the organization's published number, and report suspicious calls to the FTC.
Neighboring prefixes
| Prefix | Rate center | Code holder |
|---|---|---|
| 602-600 | Phoenix | ONVOY, LLC - AZ |
| 602-601 | Phoenix | WIDE VOICE, LLC - AZ |
| 602-602 | Phoenix | HD CARRIER LLC |
| 602-604 | Phoenix | QWEST CORPORATION |
| 602-605 | Phoenix | QWEST CORPORATION |
| 602-606 | Phoenix | TELEPORT COMMUNICATIONS AMERICA, LLC - AZ |
FAQ
Where is 602-603 located?
The prefix is assigned to the Phoenix rate center in AZ, area code 602. It is part of the Phoenix-Mesa-Chandler, AZ Metropolitan Statistical Area.
Which company owns 602-603 numbers?
VONAGE AMERICA LLC holds the code, but the prefix is pooled — individual thousands-blocks can be assigned to other carriers, and numbers may be ported to any provider.
Is a call from 602-603 safe to answer?
The prefix itself says nothing about the caller. Legitimate Phoenix businesses and spoofed robocalls can both display it. Never share personal data with an unverified inbound caller.