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NPA: 956 [Rate centres in NPA 956] [Dial plan for NPA 956]

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NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
956-838 1 Brownsville TX   9533 SOUTHWESTERN BELL 568      
956-838 2 Brownsville TX   9533 SOUTHWESTERN BELL 568      
956-838 3 Brownsville TX   9533 SOUTHWESTERN BELL 568      
956-838 4 Brownsville TX   9533 SOUTHWESTERN BELL 568      
956-838 5 Brownsville TX   9533 SOUTHWESTERN BELL 568      
956-838 6 Brownsville TX   9533 SOUTHWESTERN BELL 568      
956-838 7 Brownsville TX   9533 SOUTHWESTERN BELL 568      
956-838 8 Brownsville TX   9533 SOUTHWESTERN BELL 568      
956-838 9 Brownsville TX   4290 STPCS JOINT VENTURE, LLC 568   2014-12-01   
956-839 A Brownsville TX   4290 STPCS JOINT VENTURE, LLC 568   2025-11-17   
956-839 0 Brownsville TX   4290 STPCS JOINT VENTURE, LLC 568   2025-11-18   
956-839 1 Brownsville TX   4290 STPCS JOINT VENTURE, LLC 568   2025-11-18   
956-839 2 Brownsville TX   4290 STPCS JOINT VENTURE, LLC 568   2025-11-18   
956-839 3 Brownsville TX   4290 STPCS JOINT VENTURE, LLC 568   2025-11-18   
956-839 4 Brownsville TX   4290 STPCS JOINT VENTURE, LLC 568   2025-11-18   
956-839 5 Brownsville TX   4290 STPCS JOINT VENTURE, LLC 568   2025-11-17   
956-839 6 Brownsville TX   4290 STPCS JOINT VENTURE, LLC 568   2025-11-17   
956-839 7 Brownsville TX   4290 STPCS JOINT VENTURE, LLC 568   2025-11-17   
956-839 8 Brownsville TX   4290 STPCS JOINT VENTURE, LLC 568   2025-11-17   
956-839 9 Brownsville TX   4290 STPCS JOINT VENTURE, LLC 568   2025-11-17   
956-840 A Brownsville TX HRLNTXHGXXX  318J COMCAST IP PHONE, LLC 568      
956-840 0 Brownsville TX   4290 STPCS JOINT VENTURE, LLC 568   2023-07-11   
956-840 1 Brownsville TX   318J COMCAST IP PHONE, LLC 568   2023-07-10   
956-840 2 Brownsville TX   903C ONVOY, LLC - TX 568   2023-07-11   
956-840 3 Brownsville TX   903C ONVOY, LLC - TX 568   2023-07-11   
956-840 4 Brownsville TX   903C ONVOY, LLC - TX 568   2023-07-11   
956-840 5 Brownsville TX   903C ONVOY, LLC - TX 568   2023-08-14   
956-840 6 Brownsville TX   624H ONVOY SPECTRUM, LLC 568   2023-12-10   
956-840 7 Brownsville TX   4290 STPCS JOINT VENTURE, LLC 568   2023-07-11   
956-840 8 Brownsville TX   4290 STPCS JOINT VENTURE, LLC 568   2023-07-11   
956-840 9 Brownsville TX   4290 STPCS JOINT VENTURE, LLC 568   2023-07-11   
956-841 A Brownsville TX   4290 STPCS JOINT VENTURE, LLC 568   2026-02-26   
956-841 5 Brownsville TX   4290 STPCS JOINT VENTURE, LLC 568   2026-02-26   
956-841 6 Brownsville TX   4290 STPCS JOINT VENTURE, LLC 568   2026-02-26   
956-841 7 Brownsville TX   4290 STPCS JOINT VENTURE, LLC 568   2026-02-26   
956-841 8 Brownsville TX   4290 STPCS JOINT VENTURE, LLC 568   2026-02-26   
956-841 9 Brownsville TX   4290 STPCS JOINT VENTURE, LLC 568   2026-02-26   
956-842 A McCook TX HRGLTXXARS0  2159 VALLEY TEL. COOP., INC. 568      
956-843 A McAllen TX MCALTXHIRS1  9533 SOUTHWESTERN BELL 568      
956-843 0 McAllen TX   793K TWC IP ENABLED SERVICES, LLC 568   2014-10-31   
956-843 1 McAllen TX   9533 SOUTHWESTERN BELL 568      
956-843 2 McAllen TX   9533 SOUTHWESTERN BELL 568      
956-843 3 McAllen TX   9533 SOUTHWESTERN BELL 568      
956-843 4 McAllen TX   9533 SOUTHWESTERN BELL 568      
956-843 5 McAllen TX   9533 SOUTHWESTERN BELL 568      
956-843 6 McAllen TX   9533 SOUTHWESTERN BELL 568      
956-843 7 McAllen TX   9533 SOUTHWESTERN BELL 568      
956-843 8 McAllen TX   9533 SOUTHWESTERN BELL 568      
956-843 9 McAllen TX   9533 SOUTHWESTERN BELL 568      
956-844 A Roma TX HRLNTXKX8MD  4290 STPCS JOINT VENTURE, LLC 568      
956-844 0 Roma TX   4290 STPCS JOINT VENTURE, LLC 568      
956-844 1 Roma TX   4290 STPCS JOINT VENTURE, LLC 568      
956-844 2 Roma TX   4290 STPCS JOINT VENTURE, LLC 568      
956-844 3 Roma TX   4290 STPCS JOINT VENTURE, LLC 568      
956-844 4 Roma TX   4290 STPCS JOINT VENTURE, LLC 568      
956-844 5 Roma TX   4290 STPCS JOINT VENTURE, LLC 568      
956-844 6 Roma TX   4290 STPCS JOINT VENTURE, LLC 568      
956-844 7 Roma TX   4290 STPCS JOINT VENTURE, LLC 568      
956-844 8 Roma TX   4290 STPCS JOINT VENTURE, LLC 568      
956-844 9 Roma TX   4290 STPCS JOINT VENTURE, LLC 568      
956-845 A Hargill TX HRGLTXXARS0  2159 VALLEY TEL. COOP., INC. 568      
956-846 A Brownsville TX   4290 STPCS JOINT VENTURE, LLC 568   2025-10-03   
956-846 0 Brownsville TX   4290 STPCS JOINT VENTURE, LLC 568   2025-10-06   
956-846 1 Brownsville TX   4290 STPCS JOINT VENTURE, LLC 568   2025-10-06   
956-846 2 Brownsville TX   4290 STPCS JOINT VENTURE, LLC 568   2025-10-06   
956-846 3 Brownsville TX   4290 STPCS JOINT VENTURE, LLC 568   2025-10-06   
956-846 4 Brownsville TX   4290 STPCS JOINT VENTURE, LLC 568   2025-10-06   
956-846 5 Brownsville TX   4290 STPCS JOINT VENTURE, LLC 568   2025-10-03   
956-846 6 Brownsville TX   4290 STPCS JOINT VENTURE, LLC 568   2025-10-03   
956-846 7 Brownsville TX   4290 STPCS JOINT VENTURE, LLC 568   2025-10-03   
956-846 8 Brownsville TX   4290 STPCS JOINT VENTURE, LLC 568   2025-10-03   
956-846 9 Brownsville TX   4290 STPCS JOINT VENTURE, LLC 568   2025-10-03   
956-847 A Roma TX ROMATXXADS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 568      
956-847 0 Roma TX   4290 STPCS JOINT VENTURE, LLC 568   2010-12-18   
956-847 1 Roma TX   4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 568      
956-847 2 Roma TX   4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 568      
956-847 3 Roma TX   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 568   2010-07-30   
956-847 4 Roma TX   793K TWC IP ENABLED SERVICES, LLC 568   2005-10-10   
956-847 5 Roma TX   903C ONVOY, LLC - TX 568   2025-04-12   
956-847 6 Roma TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568      
956-847 7 Roma TX   4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 568      
956-847 8 Roma TX   004F BANDWIDTH.COM CLEC, LLC - TX 568   2011-07-03   
956-847 9 Roma TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2012-12-17   
956-848 A Falcon Heights TX FLHGTXFHRS0  9533 SOUTHWESTERN BELL 568      
956-848 0 Falcon Heights TX   515J IP HORIZON LLC 568   2022-03-31   
956-848 1 Falcon Heights TX   9533 SOUTHWESTERN BELL 568      
956-848 2 Falcon Heights TX   624H ONVOY SPECTRUM, LLC 568   2021-12-04   
956-848 3 Falcon Heights TX   624H ONVOY SPECTRUM, LLC 568   2021-12-04   
956-848 4 Falcon Heights TX   319D FOREMOST TELECOMMUNICATIONS CORPORATION - TX 568   2005-10-20   
956-848 5 Falcon Heights TX   9533 SOUTHWESTERN BELL 568      
956-848 6 Falcon Heights TX   073H TELNYX LLC 568   2022-10-14   
956-848 7 Falcon Heights TX   508J CENTURYLINK COMMUNICATIONS, LLC 568   2016-06-08   
956-848 8 Falcon Heights TX   903C ONVOY, LLC - TX 568   2021-09-06   
956-848 9 Falcon Heights TX   145J TERRA NOVA TELECOM INC. 568   2022-07-05   
956-849 A Roma TX ROMATXXADS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 568      
956-849 0 Roma TX   4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 568      
956-849 1 Roma TX   4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 568      
956-849 2 Roma TX   4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 568      
956-849 3 Roma TX   4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 568      
956-849 4 Roma TX   4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 568      

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Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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