Prefix 512-551 — Austin, TX
A phone number starting 512-551 was issued in the Austin rate center of TX — part of area code 512.
Code-holder of record: LEVEL 3 COMMUNICATIONS, LLC - TX (OCN 6114), assigned October 22, 2008. The prefix is pooled: its ten thousands-blocks can be shared among several carriers, so different 512-551 numbers may be served by different companies.
A scammer can display 512-551 without ever touching TX. When in doubt, end the call and reach the company or agency through its official website; unwanted robocalls belong in the FTC's fraud report queue.
Austin is part of the Austin-Round Rock-San Marcos, TX Metropolitan Statistical Area. For routing purposes it sits in LATA 558. Numbers here keep Central time.
Neighboring prefixes
| Prefix | Rate center | Code holder |
|---|---|---|
| 512-548 | Liberty Hill | TWC IP ENABLED SERVICES, LLC |
| 512-549 | Bastrop | SOUTHWESTERN BELL |
| 512-550 | Austin | NEW CINGULAR WIRELESS PCS, LLC - IL |
| 512-552 | Austin | NEW CINGULAR WIRELESS PCS, LLC - IL |
| 512-553 | Burnet | LEVEL 3 COMMUNICATIONS, LLC - TX |
| 512-554 | Austin | T-MOBILE USA, INC. |
FAQ
Where is 512-551 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 512-551 numbers?
LEVEL 3 COMMUNICATIONS, LLC - 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 512-551 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.