Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
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NPA: 430 [Rate centres in NPA 430] [Dial plan for NPA 430]

NXX: 356

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
430-356 A Alba TX DLLSTX97X5X  965H FRACTEL, LLC 552      
430-356 1 Alba TX FTWOTXEDX1Z  7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 552   2022-12-14   
430-356 2 Alba TX DLLSTXALDS4  903C ONVOY, LLC - TX 552   2021-06-03   
430-356 3 Alba TX   583C TIME WARNER CBLE INFO SVC (TX) DBA TIME WARNER CBL 552   2024-03-21   
430-356 4 Alba TX DLLSTXTAXTZ  624H ONVOY SPECTRUM, LLC 552   2021-12-03   
430-356 5 Alba TX DLLSTXTAXTZ  624H ONVOY SPECTRUM, LLC 552   2021-12-03   
430-356 6 Alba TX DLLSTXTAXTZ  624H ONVOY SPECTRUM, LLC 552   2021-07-08   
430-356 7 Alba TX DLLSTX97X5X  965H FRACTEL, LLC 552   2021-05-16   
430-356 8 Alba TX DLLSTX97X9X  516J TON80 COMMUNICATIONS, LLC 552   2021-11-14   
430-356 9 Alba TX DLLSTX97X5X  965H FRACTEL, LLC 552   2021-01-29   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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