Local Calling Guide
Area code/prefix search
Austin, TX
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| NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 512-664
| 1 |
AUSTTXUHAMD |
7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX |
558 |
|
2004-12-26 |
|
| 512-664
| 2 |
AUSTTXUHAMD |
7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX |
558 |
|
2004-12-26 |
|
| 512-664
| 3 |
AUSTTXUHAMD |
7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX |
558 |
|
2004-12-26 |
|
| 512-664
| 4 |
AUSTTXUHAMD |
7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX |
558 |
|
2004-12-26 |
|
| 512-664
| 5 |
AUSTTXUHAMD |
7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX |
558 |
|
2004-12-26 |
|
| 512-664
| 6 |
AUSTTXUHAMD |
7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX |
558 |
|
2004-12-26 |
|
| 512-664
| 7 |
AUSTTXUHAMD |
7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX |
558 |
|
2004-12-26 |
|
| 512-664
| 8 |
AUSTTXUHAMD |
7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX |
558 |
|
2004-12-26 |
|
| 512-664
| 9 |
AUSTTXUHAMD |
7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX |
558 |
|
2004-12-26 |
|
| 512-666
| A |
AUSTTX92X0X |
139F WORLDCALL INTERCONNECT INC. |
558 |
|
|
|
| 512-666
| 0 |
AUSYTXFC0MD |
004F BANDWIDTH.COM CLEC, LLC - TX |
558 |
|
2011-07-08 |
|
| 512-666
| 1 |
AUSYTXFC0MD |
004F BANDWIDTH.COM CLEC, LLC - TX |
558 |
|
2011-07-08 |
|
| 512-666
| 2 |
AUSTTXGR09Z |
7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX |
558 |
|
2011-06-10 |
|
| 512-666
| 3 |
AUSTTXGR03Z |
903C ONVOY, LLC - TX |
558 |
|
2011-06-28 |
|
| 512-666
| 4 |
AUSYTXFC0MD |
004F BANDWIDTH.COM CLEC, LLC - TX |
558 |
|
2011-07-08 |
|
| 512-666
| 5 |
AUSTTXGR25Z |
516C AT&T CORP. |
558 |
|
2011-06-16 |
|
| 512-666
| 6 |
AUSTTX92X0X |
139F WORLDCALL INTERCONNECT INC. |
558 |
|
2011-05-15 |
|
| 512-666
| 7 |
AUSYTXFC0MD |
004F BANDWIDTH.COM CLEC, LLC - TX |
558 |
|
2011-07-08 |
|
| 512-666
| 8 |
AUSYTXFC0MD |
004F BANDWIDTH.COM CLEC, LLC - TX |
558 |
|
2011-07-08 |
|
| 512-666
| 9 |
AUSYTXFC0MD |
004F BANDWIDTH.COM CLEC, LLC - TX |
558 |
|
2011-07-08 |
|
| 512-669
| A |
AUSTTXMCRS1 |
9533 SOUTHWESTERN BELL |
558 |
|
|
|
| 512-669
| 0 |
AUSWTXGXBMD |
6529 T-MOBILE USA, INC. |
558 |
|
2005-02-06 |
|
| 512-669
| 1 |
AUSWTXGXBMD |
6529 T-MOBILE USA, INC. |
558 |
|
2005-02-06 |
|
| 512-669
| 2 |
AUSWTXGXBMD |
6529 T-MOBILE USA, INC. |
558 |
|
2005-02-06 |
|
| 512-669
| 3 |
AUSWTXGXBMD |
6529 T-MOBILE USA, INC. |
558 |
|
2005-03-06 |
|
| 512-669
| 4 |
AUSTTXMCRS1 |
9533 SOUTHWESTERN BELL |
558 |
|
|
|
| 512-669
| 5 |
AUSTTXUH5MD |
6114 LEVEL 3 COMMUNICATIONS, LLC - TX |
558 |
|
2007-11-07 |
|
| 512-669
| 6 |
AUSWTXGXBMD |
6529 T-MOBILE USA, INC. |
558 |
|
2005-03-06 |
|
| 512-669
| 7 |
AUSTTXMCRS1 |
9533 SOUTHWESTERN BELL |
558 |
|
|
|
| 512-669
| 8 |
AUSWTXGXBMD |
6529 T-MOBILE USA, INC. |
558 |
|
2005-07-30 |
|
| 512-669
| 9 |
AUSWTXGXBMD |
6529 T-MOBILE USA, INC. |
558 |
|
2005-03-06 |
|
| 512-670
| A |
AUSTTXPFDS0 |
9533 SOUTHWESTERN BELL |
558 |
|
|
|
| 512-670
| 0 |
AUSTTXPFDS0 |
9533 SOUTHWESTERN BELL |
558 |
|
2000-10-16 |
|
| 512-670
| 1 |
AUSTTXPFDS0 |
9533 SOUTHWESTERN BELL |
558 |
|
2001-12-21 |
|
| 512-670
| 2 |
AUSTTXPFDS0 |
9533 SOUTHWESTERN BELL |
558 |
|
2000-10-16 |
|
| 512-670
| 3 |
AUSTTXPFDS0 |
9533 SOUTHWESTERN BELL |
558 |
|
2001-12-21 |
|
| 512-670
| 4 |
AUSTTXPFDS0 |
9533 SOUTHWESTERN BELL |
558 |
|
|
|
| 512-670
| 5 |
AUSTTXPFDS0 |
9533 SOUTHWESTERN BELL |
558 |
|
2000-11-27 |
|
| 512-670
| 6 |
AUSUTXNIGT3 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
558 |
|
2006-06-23 |
|
| 512-670
| 7 |
AUSTTXPFDS0 |
9533 SOUTHWESTERN BELL |
558 |
|
2000-10-16 |
|
| 512-670
| 8 |
AUSTTXUH5MD |
6114 LEVEL 3 COMMUNICATIONS, LLC - TX |
558 |
|
2007-09-24 |
|
| 512-670
| 9 |
AUSTTXPFDS0 |
9533 SOUTHWESTERN BELL |
558 |
|
|
|
| 512-671
| A |
AUSTTXRRDS0 |
9533 SOUTHWESTERN BELL |
558 |
|
|
|
| 512-671
| 0 |
AUSUTXNIGT3 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
558 |
|
2006-06-23 |
|
| 512-671
| 1 |
AUSTTXRRDS0 |
9533 SOUTHWESTERN BELL |
558 |
|
|
|
| 512-671
| 2 |
AUSTTXRRDS0 |
9533 SOUTHWESTERN BELL |
558 |
|
|
|
| 512-671
| 3 |
AUSTTXRRDS0 |
9533 SOUTHWESTERN BELL |
558 |
|
|
|
| 512-671
| 4 |
AUSTTXRRDS0 |
9533 SOUTHWESTERN BELL |
558 |
|
|
|
| 512-671
| 5 |
AUSTTXGRDS7 |
7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX |
558 |
|
2006-06-09 |
|
| 512-671
| 6 |
AUSTTXRRDS0 |
9533 SOUTHWESTERN BELL |
558 |
|
|
|
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Last updated: Thu, 05 Feb 2026 23:41:55 UTC
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