Local Calling Guide
Area code/prefix search
Houston Suburban, TX
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| NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 281-219
| A |
HSTNTXADRP0 |
9533 SOUTHWESTERN BELL |
560 |
|
|
|
| 281-219
| 0 |
|
9533 SOUTHWESTERN BELL |
560 |
|
|
|
| 281-219
| 1 |
|
9533 SOUTHWESTERN BELL |
560 |
|
|
|
| 281-219
| 2 |
|
9533 SOUTHWESTERN BELL |
560 |
|
|
|
| 281-219
| 3 |
|
9533 SOUTHWESTERN BELL |
560 |
|
|
|
| 281-219
| 4 |
|
9533 SOUTHWESTERN BELL |
560 |
|
|
|
| 281-219
| 5 |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
560 |
|
2019-02-16 |
|
| 281-219
| 6 |
|
9533 SOUTHWESTERN BELL |
560 |
|
|
|
| 281-219
| 7 |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
560 |
|
2019-02-16 |
|
| 281-219
| 8 |
|
004F BANDWIDTH.COM CLEC, LLC - TX |
560 |
|
2012-11-11 |
|
| 281-219
| 9 |
|
004F BANDWIDTH.COM CLEC, LLC - TX |
560 |
|
2012-11-11 |
|
| 281-227
| A |
HSTNTXADRP0 |
9533 SOUTHWESTERN BELL |
560 |
|
|
|
| 281-249
| A |
HSTNTXGIDS0 |
7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX |
560 |
|
|
|
| 281-249
| 0 |
|
7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX |
560 |
|
|
|
| 281-249
| 1 |
|
7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX |
560 |
|
|
|
| 281-249
| 2 |
|
7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX |
560 |
|
|
|
| 281-249
| 3 |
|
7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX |
560 |
|
|
|
| 281-249
| 4 |
|
7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX |
560 |
|
|
|
| 281-249
| 5 |
|
6114 LEVEL 3 COMMUNICATIONS, LLC - TX |
560 |
|
2008-02-12 |
|
| 281-249
| 6 |
|
7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX |
560 |
|
2005-06-08 |
|
| 281-249
| 7 |
|
7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX |
560 |
|
|
|
| 281-249
| 8 |
|
7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX |
560 |
|
|
|
| 281-249
| 9 |
|
004F BANDWIDTH.COM CLEC, LLC - TX |
560 |
|
2011-04-28 |
|
| 281-258
| A |
HSTNTXBUDS0 |
9533 SOUTHWESTERN BELL |
560 |
|
|
|
| 281-258
| 0 |
|
5562 METROPCS, INC. |
560 |
|
2006-03-05 |
|
| 281-258
| 1 |
|
5562 METROPCS, INC. |
560 |
|
2005-10-23 |
|
| 281-258
| 2 |
|
9533 SOUTHWESTERN BELL |
560 |
|
|
|
| 281-258
| 3 |
|
5562 METROPCS, INC. |
560 |
|
2005-10-23 |
|
| 281-258
| 4 |
|
318J COMCAST IP PHONE, LLC |
560 |
|
2013-09-12 |
|
| 281-258
| 5 |
|
6701 AERIAL COMMUNICATIONS, INC. |
560 |
|
2014-11-24 |
|
| 281-258
| 6 |
|
6701 AERIAL COMMUNICATIONS, INC. |
560 |
|
2014-11-24 |
|
| 281-258
| 7 |
|
5562 METROPCS, INC. |
560 |
|
2005-10-23 |
|
| 281-258
| 8 |
|
903C ONVOY, LLC - TX |
560 |
|
2013-12-05 |
|
| 281-258
| 9 |
|
5562 METROPCS, INC. |
560 |
|
2006-03-05 |
|
| 281-260
| A |
HSTNTXAIDS0 |
9533 SOUTHWESTERN BELL |
560 |
|
|
|
| 281-272
| A |
HSTNTXAIDS0 |
9533 SOUTHWESTERN BELL |
560 |
|
|
|
| 281-272
| 0 |
|
9533 SOUTHWESTERN BELL |
560 |
|
|
|
| 281-272
| 1 |
|
9533 SOUTHWESTERN BELL |
560 |
|
|
|
| 281-272
| 2 |
|
9533 SOUTHWESTERN BELL |
560 |
|
|
|
| 281-272
| 3 |
|
5562 METROPCS, INC. |
560 |
|
2005-08-09 |
|
| 281-272
| 4 |
|
9533 SOUTHWESTERN BELL |
560 |
|
|
|
| 281-272
| 5 |
|
9533 SOUTHWESTERN BELL |
560 |
|
|
|
| 281-272
| 6 |
|
318J COMCAST IP PHONE, LLC |
560 |
|
2017-02-02 |
|
| 281-272
| 7 |
|
9533 SOUTHWESTERN BELL |
560 |
|
|
|
| 281-272
| 8 |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
560 |
|
2023-12-17 |
|
| 281-272
| 9 |
|
9533 SOUTHWESTERN BELL |
560 |
|
|
|
| 281-281
| A |
HSTQTXRG6MD |
473F USFON, INC. - TX |
560 |
|
|
|
| 281-281
| 0 |
|
139F WORLDCALL INTERCONNECT INC. |
560 |
|
2023-03-11 |
|
| 281-281
| 1 |
|
473F USFON, INC. - TX |
560 |
|
2023-03-10 |
|
| 281-281
| 2 |
|
473F USFON, INC. - TX |
560 |
|
2023-03-10 |
|
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Last updated: Thu, 29 Jan 2026 14:35:03 UTC
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