Prefix 602-638 — Phoenix, AZ
A phone number starting 602-638 was issued in the Phoenix rate center of AZ — part of area code 602.
The assigned code holder is T-MOBILE USA, INC., operating company number 6529, assigned July 9, 2012. This is a pooled prefix — expect numbers within it to be split across more than one carrier in 1,000-number blocks.
A scammer can display 602-638 without ever touching AZ. When in doubt, end the call and reach the company or agency through its official website; unwanted robocalls belong in the FTC's fraud report queue.
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.
Neighboring prefixes
| Prefix | Rate center | Code holder |
|---|---|---|
| 602-635 | Phoenix | TELEPORT COMMUNICATIONS AMERICA, LLC - AZ |
| 602-636 | Phoenix | QWEST CORPORATION |
| 602-637 | Phoenix | T-MOBILE USA, INC. |
| 602-639 | Phoenix | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ |
| 602-640 | Phoenix | QWEST CORPORATION |
| 602-641 | Phoenix | CENTURYLINK COMMUNICATIONS, LLC |
FAQ
Where is 602-638 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 602-638 numbers?
T-MOBILE USA, INC. 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 602-638 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.