Prefix 512-522 — Austin, TX

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

Area code
512
Prefix (NXX)
522
Rate center
Austin
State
Texas
Time zone
Central
Code holder
BANDWIDTH.COM CLEC, LLC - TX
OCN
004F
Pooled
Yes (thousands-block pooling)
Assigned
2010-02-24
LATA
558

The 512-522 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 BANDWIDTH.COM CLEC, LLC - TX (OCN 004F) as the code holder, assigned February 24, 2010. Because 512-522 participates in thousands-block pooling, individual 1,000-number blocks may belong to other carriers than the code holder.

Caller ID showing 512-522 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 512-522
PrefixRate centerCode holder
512-519 Austin LEVEL 3 OF TELECOM OF TEXAS, LLC - TX
512-520 Austin TWC IP ENABLED SERVICES, LLC
512-521 Bastrop T-MOBILE USA, INC.
512-523 Buda GRANDE COMMUNICATIONS NETWORKS, INC. - TX
512-524 Austin GRANDE COMMUNICATIONS NETWORKS, INC. - TX
512-525 Lampasas T-MOBILE USA, INC.

FAQ

Where is 512-522 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 512-522 numbers?

BANDWIDTH.COM CLEC, 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 512-522 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.