Local Calling Guide
Area code/prefix search
NPA: 281
[Rate centres in NPA 281]
[Dial plan for NPA 281]
NXX: 318
| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 281-318
| A |
Humble |
TX |
HSTNTXCLX5Y |
7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX |
560 |
|
|
|
| 281-318
| 0 |
Humble |
TX |
|
7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX |
560 |
|
|
|
| 281-318
| 1 |
Humble |
TX |
|
6114 LEVEL 3 COMMUNICATIONS, LLC - TX |
560 |
|
2006-05-26 |
|
| 281-318
| 2 |
Humble |
TX |
|
7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX |
560 |
|
2002-10-16 |
|
| 281-318
| 3 |
Humble |
TX |
|
7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX |
560 |
|
|
|
| 281-318
| 4 |
Humble |
TX |
|
7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX |
560 |
|
2008-10-04 |
|
| 281-318
| 5 |
Humble |
TX |
|
004F BANDWIDTH.COM CLEC, LLC - TX |
560 |
|
2009-02-26 |
|
| 281-318
| 6 |
Humble |
TX |
|
004F BANDWIDTH.COM CLEC, LLC - TX |
560 |
|
2009-02-26 |
|
| 281-318
| 7 |
Humble |
TX |
|
318J COMCAST IP PHONE, LLC |
560 |
|
2009-03-29 |
|
| 281-318
| 8 |
Humble |
TX |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
560 |
|
2006-08-18 |
|
| 281-318
| 9 |
Humble |
TX |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
560 |
|
2006-08-18 |
|
Last updated: Thu, 29 Jan 2026 14:35:03 UTC
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