Prefix 512-547 — Austin, TX

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

Area code
512
Prefix (NXX)
547
Rate center
Austin
State
Texas
Time zone
Central
Code holder
NEW CINGULAR WIRELESS PCS, LLC - IL
OCN
6534
Pooled
Yes (thousands-block pooling)
Assigned
2008-09-15
LATA
558

Numbers in the 512-547 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 (512-547-XXXX) and pins the number to a billing locality.

The assigned code holder is NEW CINGULAR WIRELESS PCS, LLC - IL, operating company number 6534, assigned September 15, 2008. This is a pooled prefix — expect numbers within it to be split across more than one carrier in 1,000-number blocks.

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 512-547
PrefixRate centerCode holder
512-544 Austin LEVEL 3 OF TELECOM OF TEXAS, LLC - TX
512-545 Bastrop NEW CINGULAR WIRELESS PCS, LLC - IL
512-546 Dale/lytton Springs GRANDE COMMUNICATIONS NETWORKS, INC. - TX
512-548 Liberty Hill TWC IP ENABLED SERVICES, LLC
512-549 Bastrop SOUTHWESTERN BELL
512-550 Austin NEW CINGULAR WIRELESS PCS, LLC - IL

FAQ

Where is 512-547 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 512-547 numbers?

NEW CINGULAR WIRELESS PCS, LLC - IL 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 512-547 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.