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 |
| 281-509
| 7 |
|
6701 AERIAL COMMUNICATIONS, INC. |
560 |
|
2006-06-17 |
|
| 281-509
| 8 |
|
9533 SOUTHWESTERN BELL |
560 |
|
|
|
| 281-509
| 9 |
|
6114 LEVEL 3 COMMUNICATIONS, LLC - TX |
560 |
|
2007-12-05 |
|
| 281-512
| A |
HSTDTXBGBMD |
5562 METROPCS, INC. |
560 |
|
|
|
| 281-512
| 0 |
|
5562 METROPCS, INC. |
560 |
|
2012-11-16 |
|
| 281-512
| 1 |
|
5562 METROPCS, INC. |
560 |
|
2012-11-16 |
|
| 281-512
| 2 |
|
5562 METROPCS, INC. |
560 |
|
2012-11-16 |
|
| 281-512
| 3 |
|
5562 METROPCS, INC. |
560 |
|
2012-11-16 |
|
| 281-512
| 4 |
|
5562 METROPCS, INC. |
560 |
|
2012-11-16 |
|
| 281-512
| 5 |
|
5562 METROPCS, INC. |
560 |
|
2012-11-16 |
|
| 281-512
| 6 |
|
5562 METROPCS, INC. |
560 |
|
2012-11-16 |
|
| 281-512
| 7 |
|
5562 METROPCS, INC. |
560 |
|
2012-11-16 |
|
| 281-512
| 8 |
|
5562 METROPCS, INC. |
560 |
|
2012-11-16 |
|
| 281-512
| 9 |
|
6701 AERIAL COMMUNICATIONS, INC. |
560 |
|
2012-11-16 |
|
| 281-529
| A |
HSTNTXBUDS0 |
9533 SOUTHWESTERN BELL |
560 |
|
|
|
| 281-529
| 0 |
|
9533 SOUTHWESTERN BELL |
560 |
|
|
|
| 281-529
| 1 |
|
9533 SOUTHWESTERN BELL |
560 |
|
|
|
| 281-529
| 2 |
|
7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX |
560 |
|
2019-10-07 |
|
| 281-529
| 3 |
|
9533 SOUTHWESTERN BELL |
560 |
|
|
|
| 281-529
| 4 |
|
9533 SOUTHWESTERN BELL |
560 |
|
|
|
| 281-529
| 5 |
|
6114 LEVEL 3 COMMUNICATIONS, LLC - TX |
560 |
|
2008-02-01 |
|
| 281-529
| 6 |
|
318J COMCAST IP PHONE, LLC |
560 |
|
2011-09-30 |
|
| 281-529
| 7 |
|
903C ONVOY, LLC - TX |
560 |
|
2020-10-10 |
|
| 281-529
| 8 |
|
9533 SOUTHWESTERN BELL |
560 |
|
|
|
| 281-529
| 9 |
|
9533 SOUTHWESTERN BELL |
560 |
|
|
|
| 281-530
| A |
HSTNTXALDS0 |
9533 SOUTHWESTERN BELL |
560 |
|
|
|
| 281-531
| A |
HSTNTXBUDS0 |
9533 SOUTHWESTERN BELL |
560 |
|
|
|
| 281-544
| A |
HSTNTXBUDS0 |
9533 SOUTHWESTERN BELL |
560 |
|
|
|
| 281-544
| 0 |
|
004F BANDWIDTH.COM CLEC, LLC - TX |
560 |
|
2011-05-22 |
|
| 281-544
| 1 |
|
9533 SOUTHWESTERN BELL |
560 |
|
|
|
| 281-544
| 2 |
|
9533 SOUTHWESTERN BELL |
560 |
|
|
|
| 281-544
| 3 |
|
9533 SOUTHWESTERN BELL |
560 |
|
|
|
| 281-544
| 4 |
|
9533 SOUTHWESTERN BELL |
560 |
|
|
|
| 281-544
| 5 |
|
9533 SOUTHWESTERN BELL |
560 |
|
|
|
| 281-544
| 6 |
|
9533 SOUTHWESTERN BELL |
560 |
|
|
|
| 281-544
| 7 |
|
9533 SOUTHWESTERN BELL |
560 |
|
|
|
| 281-544
| 8 |
|
9533 SOUTHWESTERN BELL |
560 |
|
|
|
| 281-544
| 9 |
|
9533 SOUTHWESTERN BELL |
560 |
|
|
|
| 281-552
| A |
HSTNTXBUDS0 |
9533 SOUTHWESTERN BELL |
560 |
|
|
|
| 281-552
| 0 |
|
9533 SOUTHWESTERN BELL |
560 |
|
|
|
| 281-552
| 1 |
|
9533 SOUTHWESTERN BELL |
560 |
|
|
|
| 281-552
| 2 |
|
9533 SOUTHWESTERN BELL |
560 |
|
|
|
| 281-552
| 3 |
|
9533 SOUTHWESTERN BELL |
560 |
|
|
|
| 281-552
| 4 |
|
9533 SOUTHWESTERN BELL |
560 |
|
|
|
| 281-552
| 5 |
|
9533 SOUTHWESTERN BELL |
560 |
|
|
|
| 281-552
| 6 |
|
9533 SOUTHWESTERN BELL |
560 |
|
|
|
| 281-552
| 7 |
|
903C ONVOY, LLC - TX |
560 |
|
2009-03-17 |
|
| 281-552
| 8 |
|
6114 LEVEL 3 COMMUNICATIONS, LLC - TX |
560 |
|
2008-07-29 |
|
| 281-552
| 9 |
|
9533 SOUTHWESTERN BELL |
560 |
|
|
|
| 281-556
| A |
HSTNTXBUDS0 |
9533 SOUTHWESTERN BELL |
560 |
|
|
|
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Last updated: Thu, 29 Jan 2026 14:35:03 UTC
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