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 |
| 281-497
| 1 |
|
9533 SOUTHWESTERN BELL |
560 |
|
|
|
| 281-497
| 2 |
|
9533 SOUTHWESTERN BELL |
560 |
|
|
|
| 281-497
| 3 |
|
9533 SOUTHWESTERN BELL |
560 |
|
|
|
| 281-497
| 4 |
|
9533 SOUTHWESTERN BELL |
560 |
|
|
|
| 281-497
| 5 |
|
9533 SOUTHWESTERN BELL |
560 |
|
|
|
| 281-497
| 6 |
|
9533 SOUTHWESTERN BELL |
560 |
|
|
|
| 281-497
| 7 |
|
9533 SOUTHWESTERN BELL |
560 |
|
|
|
| 281-497
| 8 |
|
9533 SOUTHWESTERN BELL |
560 |
|
|
|
| 281-497
| 9 |
|
624H ONVOY SPECTRUM, LLC |
560 |
|
2021-10-25 |
|
| 281-498
| A |
HSTNTXALDS0 |
9533 SOUTHWESTERN BELL |
560 |
|
|
|
| 281-498
| 0 |
|
9533 SOUTHWESTERN BELL |
560 |
|
|
|
| 281-498
| 1 |
|
9533 SOUTHWESTERN BELL |
560 |
|
|
|
| 281-498
| 2 |
|
9533 SOUTHWESTERN BELL |
560 |
|
|
|
| 281-498
| 3 |
|
9533 SOUTHWESTERN BELL |
560 |
|
|
|
| 281-498
| 4 |
|
9533 SOUTHWESTERN BELL |
560 |
|
|
|
| 281-498
| 5 |
|
9533 SOUTHWESTERN BELL |
560 |
|
|
|
| 281-498
| 6 |
|
9533 SOUTHWESTERN BELL |
560 |
|
|
|
| 281-498
| 7 |
|
9533 SOUTHWESTERN BELL |
560 |
|
|
|
| 281-498
| 8 |
|
9533 SOUTHWESTERN BELL |
560 |
|
|
|
| 281-498
| 9 |
|
624H ONVOY SPECTRUM, LLC |
560 |
|
2021-10-25 |
|
| 281-504
| A |
HSTOTX46DS0 |
7239 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX |
560 |
|
|
|
| 281-504
| 0 |
|
7239 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX |
560 |
|
|
|
| 281-504
| 1 |
|
7239 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX |
560 |
|
|
|
| 281-504
| 2 |
|
7239 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX |
560 |
|
|
|
| 281-504
| 3 |
|
7239 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX |
560 |
|
|
|
| 281-504
| 4 |
|
7239 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX |
560 |
|
|
|
| 281-504
| 5 |
|
624H ONVOY SPECTRUM, LLC |
560 |
|
2022-05-22 |
|
| 281-504
| 6 |
|
7239 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX |
560 |
|
|
|
| 281-504
| 7 |
|
004F BANDWIDTH.COM CLEC, LLC - TX |
560 |
|
2011-04-28 |
|
| 281-504
| 8 |
|
7239 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX |
560 |
|
|
|
| 281-504
| 9 |
|
7239 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX |
560 |
|
|
|
| 281-506
| A |
HSTNTXGIDS0 |
7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX |
560 |
|
|
|
| 281-506
| 0 |
|
6114 LEVEL 3 COMMUNICATIONS, LLC - TX |
560 |
|
2006-05-07 |
|
| 281-506
| 1 |
|
7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX |
560 |
|
|
|
| 281-506
| 2 |
|
6114 LEVEL 3 COMMUNICATIONS, LLC - TX |
560 |
|
2006-05-07 |
|
| 281-506
| 3 |
|
7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX |
560 |
|
|
|
| 281-506
| 4 |
|
004F BANDWIDTH.COM CLEC, LLC - TX |
560 |
|
2011-04-28 |
|
| 281-506
| 5 |
|
5562 METROPCS, INC. |
560 |
|
2006-05-19 |
|
| 281-506
| 6 |
|
6701 AERIAL COMMUNICATIONS, INC. |
560 |
|
2014-11-24 |
|
| 281-506
| 7 |
|
318J COMCAST IP PHONE, LLC |
560 |
|
2013-07-26 |
|
| 281-506
| 8 |
|
318J COMCAST IP PHONE, LLC |
560 |
|
2007-03-29 |
|
| 281-506
| 9 |
|
7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX |
560 |
|
|
|
| 281-509
| A |
HSTNTXBUDS0 |
9533 SOUTHWESTERN BELL |
560 |
|
|
|
| 281-509
| 0 |
|
6701 AERIAL COMMUNICATIONS, INC. |
560 |
|
2010-12-10 |
|
| 281-509
| 1 |
|
6701 AERIAL COMMUNICATIONS, INC. |
560 |
|
2010-12-10 |
|
| 281-509
| 2 |
|
6701 AERIAL COMMUNICATIONS, INC. |
560 |
|
2010-12-10 |
|
| 281-509
| 3 |
|
6701 AERIAL COMMUNICATIONS, INC. |
560 |
|
2010-12-10 |
|
| 281-509
| 4 |
|
6701 AERIAL COMMUNICATIONS, INC. |
560 |
|
2010-12-10 |
|
| 281-509
| 5 |
|
6701 AERIAL COMMUNICATIONS, INC. |
560 |
|
2010-12-10 |
|
| 281-509
| 6 |
|
9533 SOUTHWESTERN BELL |
560 |
|
|
|
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Last updated: Thu, 29 Jan 2026 14:35:03 UTC
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