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 |
| 281-281
| 3 |
|
473F USFON, INC. - TX |
560 |
|
2023-03-10 |
|
| 281-281
| 4 |
|
473F USFON, INC. - TX |
560 |
|
2023-03-10 |
|
| 281-281
| 5 |
|
473F USFON, INC. - TX |
560 |
|
2023-03-10 |
|
| 281-281
| 6 |
|
139F WORLDCALL INTERCONNECT INC. |
560 |
|
2023-03-11 |
|
| 281-281
| 7 |
|
473F USFON, INC. - TX |
560 |
|
2023-03-10 |
|
| 281-281
| 8 |
|
473F USFON, INC. - TX |
560 |
|
2023-03-10 |
|
| 281-281
| 9 |
|
473F USFON, INC. - TX |
560 |
|
2023-03-10 |
|
| 281-293
| A |
HSTNTXBUDS0 |
9533 SOUTHWESTERN BELL |
560 |
|
|
|
| 281-310
| A |
HSTNTX01DS2 |
7421 AT&T - LOCAL |
560 |
|
|
|
| 281-310
| 0 |
|
004F BANDWIDTH.COM CLEC, LLC - TX |
560 |
|
2011-04-28 |
|
| 281-310
| 1 |
|
004F BANDWIDTH.COM CLEC, LLC - TX |
560 |
|
2011-04-28 |
|
| 281-310
| 2 |
|
7421 AT&T - LOCAL |
560 |
|
|
|
| 281-310
| 3 |
|
7421 AT&T - LOCAL |
560 |
|
|
|
| 281-310
| 4 |
|
6701 AERIAL COMMUNICATIONS, INC. |
560 |
|
2004-02-09 |
|
| 281-310
| 5 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
560 |
|
2011-03-11 |
|
| 281-310
| 6 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
560 |
|
2004-05-11 |
|
| 281-310
| 7 |
|
6701 AERIAL COMMUNICATIONS, INC. |
560 |
|
2014-11-24 |
|
| 281-310
| 8 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
560 |
|
2011-03-11 |
|
| 281-310
| 9 |
|
7421 AT&T - LOCAL |
560 |
|
|
|
| 281-330
| A |
HSTDTXBGBMD |
5562 METROPCS, INC. |
560 |
|
|
|
| 281-330
| 0 |
|
6701 AERIAL COMMUNICATIONS, INC. |
560 |
|
|
|
| 281-330
| 1 |
|
5562 METROPCS, INC. |
560 |
|
|
|
| 281-330
| 2 |
|
5562 METROPCS, INC. |
560 |
|
|
|
| 281-330
| 3 |
|
5562 METROPCS, INC. |
560 |
|
|
|
| 281-330
| 4 |
|
5562 METROPCS, INC. |
560 |
|
|
|
| 281-330
| 5 |
|
5562 METROPCS, INC. |
560 |
|
|
|
| 281-330
| 6 |
|
5562 METROPCS, INC. |
560 |
|
|
|
| 281-330
| 7 |
|
5562 METROPCS, INC. |
560 |
|
|
|
| 281-330
| 8 |
|
5562 METROPCS, INC. |
560 |
|
|
|
| 281-330
| 9 |
|
5562 METROPCS, INC. |
560 |
|
|
|
| 281-349
| A |
SGLDTXAQ0MD |
6630 USA MOBILITY WIRELESS, INC. |
560 |
|
|
|
| 281-366
| A |
HSTOTX46DS0 |
7239 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX |
560 |
|
|
|
| 281-368
| A |
HSTNTXBUDS0 |
9533 SOUTHWESTERN BELL |
560 |
|
|
|
| 281-372
| A |
HSTNTXADRP0 |
9533 SOUTHWESTERN BELL |
560 |
|
|
|
| 281-372
| 0 |
|
9533 SOUTHWESTERN BELL |
560 |
|
|
|
| 281-372
| 1 |
|
9533 SOUTHWESTERN BELL |
560 |
|
|
|
| 281-372
| 2 |
|
9533 SOUTHWESTERN BELL |
560 |
|
|
|
| 281-372
| 3 |
|
9533 SOUTHWESTERN BELL |
560 |
|
|
|
| 281-372
| 4 |
|
6701 AERIAL COMMUNICATIONS, INC. |
560 |
|
2004-08-01 |
|
| 281-372
| 5 |
|
9533 SOUTHWESTERN BELL |
560 |
|
|
|
| 281-372
| 6 |
|
318J COMCAST IP PHONE, LLC |
560 |
|
2006-02-19 |
|
| 281-372
| 7 |
|
9533 SOUTHWESTERN BELL |
560 |
|
|
|
| 281-372
| 8 |
|
318J COMCAST IP PHONE, LLC |
560 |
|
2013-07-26 |
|
| 281-372
| 9 |
|
6701 AERIAL COMMUNICATIONS, INC. |
560 |
|
2014-11-24 |
|
| 281-405
| A |
HSTNTXAIDS0 |
9533 SOUTHWESTERN BELL |
560 |
|
|
|
| 281-406
| A |
HSTNTX01MMD |
7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX |
560 |
|
2024-12-12 |
|
| 281-406
| 0 |
|
004F BANDWIDTH.COM CLEC, LLC - TX |
560 |
|
2011-04-28 |
|
| 281-406
| 1 |
|
004F BANDWIDTH.COM CLEC, LLC - TX |
560 |
|
2011-04-28 |
|
| 281-406
| 2 |
|
7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX |
560 |
|
|
|
| 281-406
| 3 |
|
004F BANDWIDTH.COM CLEC, LLC - TX |
560 |
|
2011-04-28 |
|
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Last updated: Thu, 29 Jan 2026 14:35:03 UTC
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