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: 255

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
430-255 A Kemp TX DLLSTX97DSS  177F PEERLESS NETWORK OF TEXAS, LLC - TX 552      
430-255 0 Kemp TX DLLSTX37XWZ  004F BANDWIDTH.COM CLEC, LLC - TX 552      
430-255 1 Kemp TX DLLSTX37XWZ  004F BANDWIDTH.COM CLEC, LLC - TX 552      
430-255 2 Kemp TX DLLSTX37XWZ  004F BANDWIDTH.COM CLEC, LLC - TX 552      
430-255 3 Kemp TX DLLSTX97DSS  177F PEERLESS NETWORK OF TEXAS, LLC - TX 552      
430-255 4 Kemp TX DLLSTXALDS4  903C ONVOY, LLC - TX 552      
430-255 5 Kemp TX DLLSTXALDS4  903C ONVOY, LLC - TX 552      
430-255 6 Kemp TX DLLSTXALDS4  903C ONVOY, LLC - TX 552      
430-255 7 Kemp TX FTWQTXFH0MD  508J CENTURYLINK COMMUNICATIONS, LLC 552      
430-255 8 Kemp TX DLLSTX97DSS  177F PEERLESS NETWORK OF TEXAS, LLC - TX 552      
430-255 9 Kemp TX DLLSTX97DSS  177F PEERLESS NETWORK OF TEXAS, LLC - TX 552      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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