Prefix 602-556 — Phoenix, AZ
602-556 identifies a block of numbers in Phoenix, AZ, within the 602 area code. Every US prefix is tied to exactly one rate center; this one is Phoenix.
The rate center lies in the Phoenix-Mesa-Chandler, AZ Metropolitan Statistical Area. The serving LATA is 666. Local time follows the Mountain zone.
Treat the on-screen number as a hint, not evidence — 602-556 can be spoofed like any US prefix. If a call feels off, verify through an official callback number and file a complaint with the FCC or FTC.
NANPA's central-office code records list CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ (OCN 6572) as the code holder, assigned March 3, 2025. Because 602-556 participates in thousands-block pooling, individual 1,000-number blocks may belong to other carriers than the code holder.
Neighboring prefixes
| Prefix | Rate center | Code holder |
|---|---|---|
| 602-552 | Phoenix | T-MOBILE USA, INC. |
| 602-553 | Phoenix | QWEST CORPORATION |
| 602-554 | Phoenix | INTRADO COMMUNICATIONS, LLC |
| 602-557 | Phoenix | TELEPORT COMMUNICATIONS AMERICA, LLC - AZ |
| 602-558 | Phoenix | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ |
| 602-559 | Phoenix | QWEST CORPORATION |
FAQ
Where is 602-556 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 602-556 numbers?
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 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 602-556 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.