Prefix 512-529 — Austin, TX

NANPA CO code assignment, current as of July 28, 2026.

Area code
512
Prefix (NXX)
529
Rate center
Austin
State
Texas
Time zone
Central
Code holder
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX
OCN
6506
Pooled
Yes (thousands-block pooling)
Assigned
2007-04-03
LATA
558

Numbers in the 512-529 prefix are registered to the Austin rate center in TX, inside area code 512. The prefix is the second block of a ten-digit US number (512-529-XXXX) and pins the number to a billing locality.

Code-holder of record: CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX (OCN 6506), assigned April 3, 2007. The prefix is pooled: its ten thousands-blocks can be shared among several carriers, so different 512-529 numbers may be served by different companies.

The rate center lies in the Austin-Round Rock-San Marcos, TX Metropolitan Statistical Area. The serving LATA is 558. Local time follows the Central zone.

Spoofing means this prefix on your screen doesn't guarantee a Austin caller. Verify independently before trusting a request for money or data.

Neighboring prefixes

Prefixes adjacent to 512-529
PrefixRate centerCode holder
512-526 Austin TELEPORT COMMUNICATIONS AMERICA, LLC - TX
512-527 Austin SOUTHWESTERN BELL
512-528 Leander SOUTHWESTERN BELL
512-530 Austin LEVEL 3 OF TELECOM OF TEXAS, LLC - TX
512-531 Austin LEVEL 3 OF TELECOM OF TEXAS, LLC - TX
512-532 Austin LEVEL 3 OF TELECOM OF TEXAS, LLC - TX

FAQ

Where is 512-529 located?

The prefix is assigned to the Austin rate center in TX, area code 512. It is part of the Austin-Round Rock-San Marcos, TX Metropolitan Statistical Area.

Which company owns 512-529 numbers?

CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 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 512-529 safe to answer?

The prefix itself says nothing about the caller. Legitimate Austin businesses and spoofed robocalls can both display it. Never share personal data with an unverified inbound caller.