Prefix 512-664 — Austin, TX
512-664 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 — 512-664 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.
Code-holder of record: LEVEL 3 OF TELECOM OF TEXAS, LLC - TX (OCN 7516), assigned November 4, 2004. The prefix is pooled: its ten thousands-blocks can be shared among several carriers, so different 512-664 numbers may be served by different companies.
Neighboring prefixes
| Prefix | Rate center | Code holder |
|---|---|---|
| 512-661 | Elgin | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX |
| 512-662 | Austin | BANDWIDTH.COM CLEC, LLC - TX |
| 512-663 | Austin | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX |
| 512-665 | San Marcos | T-MOBILE USA, INC. |
| 512-666 | Austin | EVOLVE CELLULAR, INC. |
| 512-667 | San Marcos | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX |
FAQ
Where is 512-664 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 512-664 numbers?
LEVEL 3 OF TELECOM OF TEXAS, 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 512-664 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.