Prefix 512-676 — Austin, TX

NANPA CO code assignment, current as of July 28, 2026.

Area code
512
Prefix (NXX)
676
Rate center
Austin
State
Texas
Time zone
Central
Code holder
TELEPORT COMMUNICATIONS AMERICA, LLC - TX
OCN
7138
Pooled
Yes (thousands-block pooling)
Assigned
2013-11-22
LATA
558

The 512-676 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.

NANPA's central-office code records list TELEPORT COMMUNICATIONS AMERICA, LLC - TX (OCN 7138) as the code holder, assigned November 22, 2013. Because 512-676 participates in thousands-block pooling, individual 1,000-number blocks may belong to other carriers than the code holder.

Caller ID showing 512-676 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

Prefixes adjacent to 512-676
PrefixRate centerCode holder
512-673 Austin SOUTHWESTERN BELL
512-674 Austin SOUTHWESTERN BELL
512-675 Buchanan Dam BANDWIDTH.COM CLEC, LLC - TX
512-677 Georgetown T-MOBILE USA, INC.
512-678 Bastrop U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS
512-679 Austin METROPCS, INC.

FAQ

Where is 512-676 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 512-676 numbers?

TELEPORT COMMUNICATIONS AMERICA, 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 512-676 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.