Prefix 512-318 — Austin, TX
512-318 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 — 512-318 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 - TX (OCN 6506) as the code holder, assigned April 3, 2009. Because 512-318 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 |
|---|---|---|
| 512-315 | Austin | SOUTHWESTERN BELL |
| 512-316 | Georgetown | NEW CINGULAR WIRELESS PCS, LLC - IL |
| 512-317 | Austin | NEW CINGULAR WIRELESS PCS, LLC - IL |
| 512-319 | Austin | TELEPORT COMMUNICATIONS AMERICA, LLC - TX |
| 512-320 | Austin | SOUTHWESTERN BELL |
| 512-321 | Bastrop | SOUTHWESTERN BELL |
FAQ
Where is 512-318 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 512-318 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 512-318 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.