Local Calling Guide
Area code/prefix search
NPA: 281
[Rate centres in NPA 281]
[Dial plan for NPA 281]
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| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 281-937
| 3 |
Smithers Lake EMS |
TX |
|
903C ONVOY, LLC - TX |
560 |
|
2011-07-29 |
|
| 281-937
| 4 |
Smithers Lake EMS |
TX |
|
004F BANDWIDTH.COM CLEC, LLC - TX |
560 |
|
2011-02-24 |
|
| 281-937
| 5 |
Smithers Lake EMS |
TX |
|
515J IP HORIZON LLC |
560 |
|
2025-03-03 |
|
| 281-937
| 6 |
Smithers Lake EMS |
TX |
|
515J IP HORIZON LLC |
560 |
|
2025-03-03 |
|
| 281-937
| 7 |
Smithers Lake EMS |
TX |
|
318J COMCAST IP PHONE, LLC |
560 |
|
2007-02-16 |
|
| 281-937
| 8 |
Smithers Lake EMS |
TX |
|
177F PEERLESS NETWORK OF TEXAS, LLC - TX |
560 |
|
2013-04-26 |
|
| 281-937
| 9 |
Smithers Lake EMS |
TX |
|
9533 SOUTHWESTERN BELL |
560 |
|
|
|
| 281-938
| A |
Apollo |
TX |
HSTNTXYADS5 |
903C ONVOY, LLC - TX |
560 |
|
|
|
| 281-939
| A |
Spring |
TX |
SPRNTXNODS0 |
9533 SOUTHWESTERN BELL |
560 |
|
|
|
| 281-939
| 0 |
Spring |
TX |
|
9533 SOUTHWESTERN BELL |
560 |
|
2017-11-16 |
|
| 281-939
| 1 |
Spring |
TX |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
560 |
|
2017-12-29 |
|
| 281-939
| 2 |
Spring |
TX |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
560 |
|
2017-12-29 |
|
| 281-939
| 3 |
Spring |
TX |
|
6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX |
560 |
|
2018-02-09 |
|
| 281-939
| 4 |
Spring |
TX |
|
6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX |
560 |
|
2018-02-09 |
|
| 281-939
| 5 |
Spring |
TX |
|
004F BANDWIDTH.COM CLEC, LLC - TX |
560 |
|
2018-04-02 |
|
| 281-939
| 6 |
Spring |
TX |
|
6701 AERIAL COMMUNICATIONS, INC. |
560 |
|
2018-09-11 |
|
| 281-939
| 7 |
Spring |
TX |
|
6701 AERIAL COMMUNICATIONS, INC. |
560 |
|
2018-09-11 |
|
| 281-939
| 8 |
Spring |
TX |
|
6701 AERIAL COMMUNICATIONS, INC. |
560 |
|
2018-01-11 |
|
| 281-939
| 9 |
Spring |
TX |
|
6701 AERIAL COMMUNICATIONS, INC. |
560 |
|
2018-01-11 |
|
| 281-940
| A |
Houston Suburban |
TX |
HSTNTXYADS5 |
903C ONVOY, LLC - TX |
560 |
|
|
|
| 281-940
| 0 |
Houston Suburban |
TX |
|
903C ONVOY, LLC - TX |
560 |
|
|
|
| 281-940
| 1 |
Houston Suburban |
TX |
|
6114 LEVEL 3 COMMUNICATIONS, LLC - TX |
560 |
|
2005-10-23 |
|
| 281-940
| 2 |
Houston Suburban |
TX |
|
6114 LEVEL 3 COMMUNICATIONS, LLC - TX |
560 |
|
2005-10-23 |
|
| 281-940
| 3 |
Houston Suburban |
TX |
|
6114 LEVEL 3 COMMUNICATIONS, LLC - TX |
560 |
|
2005-10-23 |
|
| 281-940
| 4 |
Houston Suburban |
TX |
|
004F BANDWIDTH.COM CLEC, LLC - TX |
560 |
|
2011-02-24 |
|
| 281-940
| 5 |
Houston Suburban |
TX |
|
004F BANDWIDTH.COM CLEC, LLC - TX |
560 |
|
2011-02-24 |
|
| 281-940
| 6 |
Houston Suburban |
TX |
|
004F BANDWIDTH.COM CLEC, LLC - TX |
560 |
|
2011-02-24 |
|
| 281-940
| 7 |
Houston Suburban |
TX |
|
6114 LEVEL 3 COMMUNICATIONS, LLC - TX |
560 |
|
2007-08-31 |
|
| 281-940
| 8 |
Houston Suburban |
TX |
|
6114 LEVEL 3 COMMUNICATIONS, LLC - TX |
560 |
|
2007-09-24 |
|
| 281-940
| 9 |
Houston Suburban |
TX |
|
6701 AERIAL COMMUNICATIONS, INC. |
560 |
|
2010-08-15 |
|
| 281-941
| A |
La Porte |
TX |
HSTOTX42DS2 |
7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX |
560 |
|
|
|
| 281-941
| 0 |
La Porte |
TX |
|
7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX |
560 |
|
|
|
| 281-941
| 1 |
La Porte |
TX |
|
7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX |
560 |
|
|
|
| 281-941
| 2 |
La Porte |
TX |
|
6114 LEVEL 3 COMMUNICATIONS, LLC - TX |
560 |
|
2011-04-09 |
|
| 281-941
| 3 |
La Porte |
TX |
|
624H ONVOY SPECTRUM, LLC |
560 |
|
2022-05-19 |
|
| 281-941
| 4 |
La Porte |
TX |
|
318J COMCAST IP PHONE, LLC |
560 |
|
2005-09-15 |
|
| 281-941
| 5 |
La Porte |
TX |
|
004F BANDWIDTH.COM CLEC, LLC - TX |
560 |
|
2010-06-24 |
|
| 281-941
| 6 |
La Porte |
TX |
|
903C ONVOY, LLC - TX |
560 |
|
2021-04-12 |
|
| 281-941
| 7 |
La Porte |
TX |
|
903C ONVOY, LLC - TX |
560 |
|
2011-06-17 |
|
| 281-941
| 8 |
La Porte |
TX |
|
004F BANDWIDTH.COM CLEC, LLC - TX |
560 |
|
2011-06-18 |
|
| 281-941
| 9 |
La Porte |
TX |
|
318J COMCAST IP PHONE, LLC |
560 |
|
2007-02-16 |
|
| 281-942
| A |
Seabrook |
TX |
HSTNTXMOX7X |
318J COMCAST IP PHONE, LLC |
560 |
|
|
|
| 281-942
| 0 |
Seabrook |
TX |
|
004F BANDWIDTH.COM CLEC, LLC - TX |
560 |
|
2013-04-26 |
|
| 281-942
| 1 |
Seabrook |
TX |
|
903C ONVOY, LLC - TX |
560 |
|
2013-01-10 |
|
| 281-942
| 2 |
Seabrook |
TX |
|
903C ONVOY, LLC - TX |
560 |
|
2013-01-10 |
|
| 281-942
| 3 |
Seabrook |
TX |
|
516C AT&T CORP. |
560 |
|
2011-02-05 |
|
| 281-942
| 4 |
Seabrook |
TX |
|
903C ONVOY, LLC - TX |
560 |
|
2013-02-03 |
|
| 281-942
| 5 |
Seabrook |
TX |
|
829J PAETEC ITEL, LLC |
560 |
|
2009-09-06 |
|
| 281-942
| 6 |
Seabrook |
TX |
|
903C ONVOY, LLC - TX |
560 |
|
2012-06-18 |
|
| 281-942
| 7 |
Seabrook |
TX |
|
004F BANDWIDTH.COM CLEC, LLC - TX |
560 |
|
2014-05-12 |
|
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Last updated: Thu, 29 Jan 2026 14:35:03 UTC
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