Prefix 512-287 — Austin, TX
The 512-287 prefix belongs to area code 512 and is anchored to the Austin rate center (TX). In NANP terms, the prefix — or NXX — determines the rate center a number is billed against.
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.
Code-holder of record: T-MOBILE USA, INC. (OCN 6529), assigned November 21, 2006. The prefix is pooled: its ten thousands-blocks can be shared among several carriers, so different 512-287 numbers may be served by different companies.
Caller ID showing 512-287 is not proof the call came from Austin: spoofing and porting both detach numbers from their origin. To verify a caller, hang up and dial the organization's published number, and report suspicious calls to the FTC.
Neighboring prefixes
| Prefix | Rate center | Code holder |
|---|---|---|
| 512-284 | Austin | NEW CINGULAR WIRELESS PCS, LLC - IL |
| 512-285 | Elgin | SOUTHWESTERN BELL |
| 512-286 | Austin | SOUTHWESTERN BELL |
| 512-288 | Austin | SOUTHWESTERN BELL |
| 512-289 | Austin | NEW CINGULAR WIRELESS PCS, LLC - IL |
| 512-290 | Rockdale | METROPCS, INC. |
FAQ
Where is 512-287 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 512-287 numbers?
T-MOBILE USA, INC. 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 512-287 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.