Prefix 512-512 — Austin, TX
512-512 identifies a block of numbers in Austin, TX, within the 512 area code. Every US prefix is tied to exactly one rate center; this one is Austin.
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.
Treat the on-screen number as a hint, not evidence — 512-512 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 USFON, INC. - TX (OCN 473F) as the code holder, assigned January 6, 2023. Because 512-512 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 |
|---|---|---|
| 512-507 | Austin | T-MOBILE USA, INC. |
| 512-508 | Georgetown | T-MOBILE USA, INC. |
| 512-509 | Georgetown | TELEPORT COMMUNICATIONS AMERICA, LLC - TX |
| 512-513 | Austin | LEVEL 3 OF TELECOM OF TEXAS, LLC - TX |
| 512-514 | Austin | SOUTHWESTERN BELL |
| 512-515 | Liberty Hill | SOUTHWESTERN BELL |
FAQ
Where is 512-512 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 512-512 numbers?
USFON, INC. - 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 512-512 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.