Local Calling Guide
Area code/prefix search
Houston, TX
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| NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 346-728
| A |
HSTNTXMCDS0 |
9533 SOUTHWESTERN BELL |
560 |
|
|
|
| 346-728
| 0 |
|
9533 SOUTHWESTERN BELL |
560 |
|
2014-07-01 |
|
| 346-728
| 1 |
|
9533 SOUTHWESTERN BELL |
560 |
|
2014-07-01 |
|
| 346-728
| 2 |
|
9533 SOUTHWESTERN BELL |
560 |
|
2014-07-01 |
|
| 346-728
| 3 |
|
9533 SOUTHWESTERN BELL |
560 |
|
2014-07-01 |
|
| 346-728
| 4 |
|
9533 SOUTHWESTERN BELL |
560 |
|
2014-07-01 |
|
| 346-728
| 5 |
|
9533 SOUTHWESTERN BELL |
560 |
|
2014-07-01 |
|
| 346-728
| 6 |
|
9533 SOUTHWESTERN BELL |
560 |
|
2014-07-01 |
|
| 346-728
| 7 |
|
9533 SOUTHWESTERN BELL |
560 |
|
2014-07-01 |
|
| 346-728
| 8 |
|
9533 SOUTHWESTERN BELL |
560 |
|
2014-07-01 |
|
| 346-728
| 9 |
|
9533 SOUTHWESTERN BELL |
560 |
|
2014-07-01 |
|
| 346-729
| A |
HSTNTXMCDS0 |
9533 SOUTHWESTERN BELL |
560 |
|
|
|
| 346-729
| 0 |
|
9533 SOUTHWESTERN BELL |
560 |
|
2014-07-01 |
|
| 346-729
| 1 |
|
9533 SOUTHWESTERN BELL |
560 |
|
2014-07-01 |
|
| 346-729
| 2 |
|
9533 SOUTHWESTERN BELL |
560 |
|
2014-07-01 |
|
| 346-729
| 3 |
|
9533 SOUTHWESTERN BELL |
560 |
|
2014-07-01 |
|
| 346-729
| 4 |
|
9533 SOUTHWESTERN BELL |
560 |
|
2014-07-01 |
|
| 346-729
| 5 |
|
9533 SOUTHWESTERN BELL |
560 |
|
2014-07-01 |
|
| 346-729
| 6 |
|
9533 SOUTHWESTERN BELL |
560 |
|
2014-07-01 |
|
| 346-729
| 7 |
|
9533 SOUTHWESTERN BELL |
560 |
|
2014-07-01 |
|
| 346-729
| 8 |
|
9533 SOUTHWESTERN BELL |
560 |
|
2014-07-01 |
|
| 346-729
| 9 |
|
9533 SOUTHWESTERN BELL |
560 |
|
2014-07-01 |
|
| 346-739
| A |
HSTWTXUFAMD |
6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX |
560 |
|
|
|
| 346-739
| 0 |
|
6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX |
560 |
|
2023-12-21 |
|
| 346-739
| 1 |
|
6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX |
560 |
|
2023-12-21 |
|
| 346-739
| 2 |
|
6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX |
560 |
|
2023-12-21 |
|
| 346-739
| 3 |
|
6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX |
560 |
|
2023-12-21 |
|
| 346-739
| 4 |
|
6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX |
560 |
|
2023-12-21 |
|
| 346-739
| 5 |
|
6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX |
560 |
|
2023-12-21 |
|
| 346-739
| 6 |
|
6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX |
560 |
|
2023-12-21 |
|
| 346-739
| 7 |
|
6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX |
560 |
|
2023-12-31 |
|
| 346-739
| 8 |
|
004F BANDWIDTH.COM CLEC, LLC - TX |
560 |
|
2023-12-22 |
|
| 346-739
| 9 |
|
939H COMMIO, LLC |
560 |
|
2024-01-14 |
|
| 346-741
| A |
HSTNTXJAX1Z |
839J EON TELECOM, INC. |
560 |
|
2024-01-18 |
|
| 346-741
| 0 |
|
939H COMMIO, LLC |
560 |
|
2024-01-19 |
|
| 346-741
| 1 |
|
839J EON TELECOM, INC. |
560 |
|
2024-01-18 |
|
| 346-741
| 2 |
|
490J DISH WIRELESS, LLC |
560 |
|
2024-01-24 |
|
| 346-741
| 3 |
|
490J DISH WIRELESS, LLC |
560 |
|
2024-03-23 |
|
| 346-741
| 4 |
|
490J DISH WIRELESS, LLC |
560 |
|
2024-06-21 |
|
| 346-741
| 5 |
|
004F BANDWIDTH.COM CLEC, LLC - TX |
560 |
|
2024-03-14 |
|
| 346-741
| 6 |
|
004F BANDWIDTH.COM CLEC, LLC - TX |
560 |
|
2024-03-14 |
|
| 346-741
| 7 |
|
004F BANDWIDTH.COM CLEC, LLC - TX |
560 |
|
2024-03-14 |
|
| 346-741
| 8 |
|
939H COMMIO, LLC |
560 |
|
2024-01-19 |
|
| 346-741
| 9 |
|
939H COMMIO, LLC |
560 |
|
2024-01-19 |
|
| 346-766
| A |
HSTNTXJAXBY |
965H FRACTEL, LLC |
560 |
|
|
|
| 346-766
| 0 |
|
903C ONVOY, LLC - TX |
560 |
|
2020-04-27 |
|
| 346-766
| 1 |
|
903C ONVOY, LLC - TX |
560 |
|
2020-04-27 |
|
| 346-766
| 2 |
|
6114 LEVEL 3 COMMUNICATIONS, LLC - TX |
560 |
|
2020-08-28 |
|
| 346-766
| 3 |
|
965H FRACTEL, LLC |
560 |
|
2019-07-17 |
|
| 346-766
| 4 |
|
624H ONVOY SPECTRUM, LLC |
560 |
|
2020-07-07 |
|
| 346-766
| 5 |
|
624H ONVOY SPECTRUM, LLC |
560 |
|
2020-07-07 |
|
| 346-766
| 6 |
|
965H FRACTEL, LLC |
560 |
|
2019-07-17 |
|
| 346-766
| 7 |
|
624H ONVOY SPECTRUM, LLC |
560 |
|
2020-07-07 |
|
| 346-766
| 8 |
|
6114 LEVEL 3 COMMUNICATIONS, LLC - TX |
560 |
|
2020-08-28 |
|
| 346-766
| 9 |
|
6701 AERIAL COMMUNICATIONS, INC. |
560 |
|
2020-09-07 |
|
| 346-771
| A |
HSTNTXYADS5 |
903C ONVOY, LLC - TX |
560 |
|
2024-03-30 |
|
| 346-771
| 0 |
|
903C ONVOY, LLC - TX |
560 |
|
2024-03-30 |
|
| 346-771
| 1 |
|
903C ONVOY, LLC - TX |
560 |
|
2024-03-30 |
|
| 346-771
| 2 |
|
903C ONVOY, LLC - TX |
560 |
|
2024-03-30 |
|
| 346-771
| 3 |
|
903C ONVOY, LLC - TX |
560 |
|
2024-03-30 |
|
| 346-771
| 4 |
|
903C ONVOY, LLC - TX |
560 |
|
2024-03-30 |
|
| 346-771
| 5 |
|
903C ONVOY, LLC - TX |
560 |
|
2024-03-30 |
|
| 346-771
| 6 |
|
903C ONVOY, LLC - TX |
560 |
|
2024-03-30 |
|
| 346-771
| 7 |
|
903C ONVOY, LLC - TX |
560 |
|
2024-03-30 |
|
| 346-771
| 8 |
|
903C ONVOY, LLC - TX |
560 |
|
2024-03-30 |
|
| 346-771
| 9 |
|
903C ONVOY, LLC - TX |
560 |
|
2024-03-30 |
|
| 346-772
| A |
HSTQTX02DS4 |
6114 LEVEL 3 COMMUNICATIONS, LLC - TX |
560 |
|
|
|
| 346-772
| 0 |
|
7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX |
560 |
|
2015-10-23 |
|
| 346-772
| 1 |
|
6114 LEVEL 3 COMMUNICATIONS, LLC - TX |
560 |
|
2015-10-17 |
|
| 346-772
| 2 |
|
6114 LEVEL 3 COMMUNICATIONS, LLC - TX |
560 |
|
2015-10-17 |
|
| 346-772
| 3 |
|
6114 LEVEL 3 COMMUNICATIONS, LLC - TX |
560 |
|
2015-10-17 |
|
| 346-772
| 4 |
|
7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX |
560 |
|
2015-10-23 |
|
| 346-772
| 5 |
|
6701 AERIAL COMMUNICATIONS, INC. |
560 |
|
2015-10-18 |
|
| 346-772
| 6 |
|
6701 AERIAL COMMUNICATIONS, INC. |
560 |
|
2015-10-18 |
|
| 346-772
| 7 |
|
6701 AERIAL COMMUNICATIONS, INC. |
560 |
|
2015-10-18 |
|
| 346-772
| 8 |
|
6701 AERIAL COMMUNICATIONS, INC. |
560 |
|
2015-10-18 |
|
| 346-772
| 9 |
|
6701 AERIAL COMMUNICATIONS, INC. |
560 |
|
2015-10-18 |
|
| 346-775
| A |
HSTDTXBGBMD |
6701 AERIAL COMMUNICATIONS, INC. |
560 |
|
|
|
| 346-775
| 0 |
|
6701 AERIAL COMMUNICATIONS, INC. |
560 |
|
2016-01-08 |
|
| 346-775
| 1 |
|
6701 AERIAL COMMUNICATIONS, INC. |
560 |
|
2016-01-08 |
|
| 346-775
| 2 |
|
6701 AERIAL COMMUNICATIONS, INC. |
560 |
|
2016-01-08 |
|
| 346-775
| 3 |
|
6701 AERIAL COMMUNICATIONS, INC. |
560 |
|
2016-01-08 |
|
| 346-775
| 4 |
|
6701 AERIAL COMMUNICATIONS, INC. |
560 |
|
2016-01-08 |
|
| 346-775
| 5 |
|
6701 AERIAL COMMUNICATIONS, INC. |
560 |
|
2016-01-08 |
|
| 346-775
| 6 |
|
6701 AERIAL COMMUNICATIONS, INC. |
560 |
|
2016-01-08 |
|
| 346-775
| 7 |
|
6701 AERIAL COMMUNICATIONS, INC. |
560 |
|
2016-01-08 |
|
| 346-775
| 8 |
|
6701 AERIAL COMMUNICATIONS, INC. |
560 |
|
2016-01-08 |
|
| 346-775
| 9 |
|
6701 AERIAL COMMUNICATIONS, INC. |
560 |
|
2016-01-08 |
|
| 346-781
| A |
HSTNTXGI0MD |
004F BANDWIDTH.COM CLEC, LLC - TX |
560 |
|
2024-04-21 |
|
| 346-781
| 0 |
|
004F BANDWIDTH.COM CLEC, LLC - TX |
560 |
|
2024-04-21 |
|
| 346-781
| 1 |
|
004F BANDWIDTH.COM CLEC, LLC - TX |
560 |
|
2024-04-21 |
|
| 346-781
| 2 |
|
732J NUSO, LLC |
560 |
|
2024-04-22 |
|
| 346-781
| 3 |
|
732J NUSO, LLC |
560 |
|
2024-04-22 |
|
| 346-781
| 4 |
|
903C ONVOY, LLC - TX |
560 |
|
2024-04-22 |
|
| 346-781
| 5 |
|
903C ONVOY, LLC - TX |
560 |
|
2024-04-22 |
|
| 346-781
| 6 |
|
903C ONVOY, LLC - TX |
560 |
|
2024-04-22 |
|
| 346-781
| 7 |
|
903C ONVOY, LLC - TX |
560 |
|
2024-04-22 |
|
| 346-781
| 8 |
|
903C ONVOY, LLC - TX |
560 |
|
2024-04-22 |
|
| 346-781
| 9 |
|
903C ONVOY, LLC - TX |
560 |
|
2024-04-22 |
|
| 346-800
| A |
HSTNTXYADS5 |
903C ONVOY, LLC - TX |
560 |
|
|
|
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Last updated: Thu, 29 Jan 2026 14:35:03 UTC
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