Local Calling Guide
Area code/prefix search
Austin, TX
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| NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 512-299
| 7 |
AUSWTXGXBMD |
6529 T-MOBILE USA, INC. |
558 |
|
2004-07-05 |
|
| 512-299
| 8 |
AUSWTXGXBMD |
6529 T-MOBILE USA, INC. |
558 |
|
2004-07-05 |
|
| 512-299
| 9 |
AUSTTXGR03Z |
903C ONVOY, LLC - TX |
558 |
|
2002-06-16 |
|
| 512-300
| A |
AUSXTXZR0MD |
793K TWC IP ENABLED SERVICES, LLC |
558 |
|
2025-01-29 |
|
| 512-300
| 0 |
AUSXTXZR0MD |
793K TWC IP ENABLED SERVICES, LLC |
558 |
|
|
|
| 512-300
| 1 |
AUSWTXGXBMD |
6529 T-MOBILE USA, INC. |
558 |
|
2004-03-14 |
|
| 512-300
| 2 |
AUSTTXHODS0 |
9533 SOUTHWESTERN BELL |
558 |
|
2002-02-04 |
|
| 512-300
| 3 |
AUSWTXGXBMD |
6529 T-MOBILE USA, INC. |
558 |
|
2004-03-14 |
|
| 512-300
| 4 |
AUSWTXGXBMD |
6529 T-MOBILE USA, INC. |
558 |
|
2004-03-14 |
|
| 512-300
| 5 |
AUSWTXGXBMD |
6529 T-MOBILE USA, INC. |
558 |
|
2004-03-14 |
|
| 512-300
| 6 |
AUSWTXGXBMD |
6529 T-MOBILE USA, INC. |
558 |
|
2004-01-13 |
|
| 512-300
| 7 |
AUSWTXGXBMD |
6529 T-MOBILE USA, INC. |
558 |
|
2004-01-13 |
|
| 512-300
| 8 |
AUSWTXGXBMD |
6529 T-MOBILE USA, INC. |
558 |
|
2004-01-13 |
|
| 512-300
| 9 |
AUSWTXGXBMD |
6529 T-MOBILE USA, INC. |
558 |
|
2004-01-13 |
|
| 512-301
| A |
AUSTTXCVDS0 |
9533 SOUTHWESTERN BELL |
558 |
|
|
|
| 512-301
| 0 |
AUSTTXCVDS0 |
9533 SOUTHWESTERN BELL |
558 |
|
|
|
| 512-301
| 1 |
AUSTTXCVDS0 |
9533 SOUTHWESTERN BELL |
558 |
|
|
|
| 512-301
| 2 |
AUSTTXCVDS0 |
9533 SOUTHWESTERN BELL |
558 |
|
|
|
| 512-301
| 3 |
AUSTTXCVDS0 |
9533 SOUTHWESTERN BELL |
558 |
|
|
|
| 512-301
| 4 |
AUSTTXCVDS0 |
9533 SOUTHWESTERN BELL |
558 |
|
|
|
| 512-301
| 5 |
AUSTTXCVDS0 |
9533 SOUTHWESTERN BELL |
558 |
|
|
|
| 512-301
| 6 |
AUSTTXCVDS0 |
9533 SOUTHWESTERN BELL |
558 |
|
|
|
| 512-301
| 7 |
AUSTTXCVDS0 |
9533 SOUTHWESTERN BELL |
558 |
|
|
|
| 512-301
| 8 |
AUSTTXCVDS0 |
9533 SOUTHWESTERN BELL |
558 |
|
|
|
| 512-301
| 9 |
AUSTTXCVDS0 |
9533 SOUTHWESTERN BELL |
558 |
|
|
|
| 512-302
| A |
AUSTTXHODS0 |
9533 SOUTHWESTERN BELL |
558 |
|
|
|
| 512-305
| A |
AUSTTXGR25Z |
516C AT&T CORP. |
558 |
|
|
|
| 512-305
| 0 |
AUSTTXGRDS5 |
9533 SOUTHWESTERN BELL |
558 |
|
|
|
| 512-305
| 1 |
AUSTTXGRDS5 |
9533 SOUTHWESTERN BELL |
558 |
|
|
|
| 512-305
| 2 |
AUSTTXGRDS5 |
9533 SOUTHWESTERN BELL |
558 |
|
|
|
| 512-305
| 3 |
AUSTTXGR25Z |
516C AT&T CORP. |
558 |
|
|
|
| 512-305
| 4 |
AUSTTXGRDS5 |
9533 SOUTHWESTERN BELL |
558 |
|
|
|
| 512-305
| 5 |
AUSTTXGRDS5 |
9533 SOUTHWESTERN BELL |
558 |
|
|
|
| 512-305
| 6 |
AUSTTXGRDS5 |
9533 SOUTHWESTERN BELL |
558 |
|
|
|
| 512-305
| 7 |
AUSTTXGRDS5 |
9533 SOUTHWESTERN BELL |
558 |
|
|
|
| 512-305
| 8 |
AUSTTXGRDS5 |
9533 SOUTHWESTERN BELL |
558 |
|
|
|
| 512-305
| 9 |
AUSTTXGRDS5 |
9533 SOUTHWESTERN BELL |
558 |
|
|
|
| 512-306
| A |
AUSTTXFADS0 |
9533 SOUTHWESTERN BELL |
558 |
|
|
|
| 512-307
| A |
AUSVTXDK1MD |
6630 USA MOBILITY WIRELESS, INC. |
558 |
|
|
|
| 512-310
| A |
AUSTTXRRDS0 |
9533 SOUTHWESTERN BELL |
558 |
|
|
|
| 512-313
| A |
AUSTTXUHAMD |
7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX |
558 |
|
|
|
| 512-313
| 0 |
AUSTTXUHAMD |
7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX |
558 |
|
2007-02-18 |
|
| 512-313
| 1 |
AUSTTXUHAMD |
7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX |
558 |
|
2007-02-18 |
|
| 512-313
| 2 |
AUSTTXUHAMD |
7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX |
558 |
|
2007-02-18 |
|
| 512-313
| 3 |
AUSTTXUHAMD |
7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX |
558 |
|
2007-02-18 |
|
| 512-313
| 4 |
AUSTTXUHAMD |
7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX |
558 |
|
2007-02-18 |
|
| 512-313
| 5 |
AUSTTXUHAMD |
7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX |
558 |
|
2007-02-18 |
|
| 512-313
| 6 |
AUSTTXUHAMD |
7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX |
558 |
|
2007-02-18 |
|
| 512-313
| 7 |
AUSTTXUHAMD |
7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX |
558 |
|
2007-02-18 |
|
| 512-313
| 8 |
AUSTTXUHAMD |
7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX |
558 |
|
2007-02-18 |
|
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Last updated: Thu, 05 Feb 2026 23:41:55 UTC
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