Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 903 [Rate centres in NPA 903] [Dial plan for NPA 903]

NXX: 476

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
903-476 A Dorchester TX DRCHTXXARL0  2154 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
903-476 0 Dorchester TX DLLSTX97DSS  177F PEERLESS NETWORK OF TEXAS, LLC - TX 552   2013-04-27   
903-476 1 Dorchester TX DLLSTX97DSS  177F PEERLESS NETWORK OF TEXAS, LLC - TX 552   2013-04-27   
903-476 2 Dorchester TX DLLSTXALDS4  903C ONVOY, LLC - TX 552   2016-04-14   
903-476 3 Dorchester TX DLLSTXALDS4  903C ONVOY, LLC - TX 552   2016-04-14   
903-476 4 Dorchester TX DLLSTX97X1X  073H TELNYX LLC 552   2019-05-17   
903-476 5 Dorchester TX DRCHTXXARL0  2154 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
903-476 6 Dorchester TX DLLSTXALDS4  903C ONVOY, LLC - TX 552   2022-12-21   
903-476 7 Dorchester TX FTWQTXFH0MD  508J CENTURYLINK COMMUNICATIONS, LLC 552   2014-05-19   
903-476 8 Dorchester TX DLLSTXALDS4  903C ONVOY, LLC - TX 552   2020-11-20   
903-476 9 Dorchester TX DLLSTXALDS4  903C ONVOY, LLC - TX 552   2020-11-20   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

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