Local Calling Guide
Area code/prefix search
Mansfield, TX
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| NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 817-592
| 6 |
DLLSTX37XWZ |
004F BANDWIDTH.COM CLEC, LLC - TX |
552 |
|
2014-05-12 |
|
| 817-592
| 7 |
FTWQTXFH0MD |
508J CENTURYLINK COMMUNICATIONS, LLC |
552 |
|
2014-05-15 |
|
| 817-592
| 8 |
DLLSTXALDS4 |
903C ONVOY, LLC - TX |
552 |
|
2014-10-12 |
|
| 817-592
| 9 |
DLLSTXALDS4 |
903C ONVOY, LLC - TX |
552 |
|
2014-10-12 |
|
| 817-728
| A |
DLLSTXHW6MD |
671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS |
552 |
|
|
|
| 817-728
| 2 |
|
671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS |
552 |
|
|
|
| 817-728
| 3 |
|
671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS |
552 |
|
|
|
| 817-728
| 5 |
|
671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS |
552 |
|
|
|
| 817-728
| 7 |
|
671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS |
552 |
|
|
|
| 817-728
| 8 |
|
671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS |
552 |
|
|
|
| 817-728
| 9 |
DLLTTXID1MD |
6529 T-MOBILE USA, INC. |
552 |
|
2026-05-02 |
|
| 817-779
| A |
DLLSTXTLDS8 |
7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX |
552 |
|
|
|
| 817-779
| 0 |
DLLTTXID1MD |
5562 METROPCS, INC. |
552 |
|
2007-04-29 |
|
| 817-779
| 1 |
DLLTTXID1MD |
5562 METROPCS, INC. |
552 |
|
2011-03-01 |
|
| 817-779
| 2 |
DLLTTXID1MD |
5562 METROPCS, INC. |
552 |
|
2009-03-05 |
|
| 817-779
| 3 |
DLLSTXJFDS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
552 |
|
2008-07-11 |
|
| 817-779
| 4 |
DLLSTX37XWZ |
004F BANDWIDTH.COM CLEC, LLC - TX |
552 |
|
2015-07-25 |
|
| 817-779
| 5 |
DLLSTXTLDS8 |
7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX |
552 |
|
2016-02-22 |
|
| 817-779
| 6 |
DLLSTXTLDS8 |
7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX |
552 |
|
|
|
| 817-779
| 7 |
DLLATX37DS6 |
6114 LEVEL 3 COMMUNICATIONS, LLC - TX |
552 |
|
2004-01-13 |
|
| 817-779
| 8 |
DLLSTXALDS4 |
903C ONVOY, LLC - TX |
552 |
|
2020-07-07 |
|
| 817-779
| 9 |
|
515J IP HORIZON LLC |
552 |
|
2015-03-23 |
|
| 817-842
| A |
DLLSTXALDS4 |
903C ONVOY, LLC - TX |
552 |
|
|
|
| 817-842
| 0 |
DLLSTXALDS4 |
903C ONVOY, LLC - TX |
552 |
|
|
|
| 817-842
| 1 |
DLLSTXALDS4 |
903C ONVOY, LLC - TX |
552 |
|
|
|
| 817-842
| 2 |
DLLSTXALDS4 |
903C ONVOY, LLC - TX |
552 |
|
|
|
| 817-842
| 3 |
DLLSTXALDS4 |
903C ONVOY, LLC - TX |
552 |
|
|
|
| 817-842
| 4 |
DLLSTXALDS4 |
903C ONVOY, LLC - TX |
552 |
|
|
|
| 817-842
| 5 |
DLLSTXALDS4 |
903C ONVOY, LLC - TX |
552 |
|
|
|
| 817-842
| 6 |
DLLSTXALDS4 |
903C ONVOY, LLC - TX |
552 |
|
|
|
| 817-842
| 7 |
DLLTTXID1MD |
5562 METROPCS, INC. |
552 |
|
2011-03-01 |
|
| 817-842
| 8 |
DLLSTXALDS4 |
903C ONVOY, LLC - TX |
552 |
|
|
|
| 817-842
| 9 |
DLLSTXALDS4 |
903C ONVOY, LLC - TX |
552 |
|
|
|
| 817-853
| A |
DLLSTXBKDS1 |
7715 MATRIX TELECOM, LLC. S/I/I TNCI - TX |
552 |
|
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<< 1 2 3 4
Last updated: Tue, 01 Sep 2026 00:40:05 UTC
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