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: 940 [Rate centres in NPA 940] [Dial plan for NPA 940]

NXX: 499

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
940-499 A Krum TX DLLSTX97X5X  965H FRACTEL LLC 552   2021-07-08   
940-499 4 Krum TX DLLSTX97X9X  516J TON80 COMMUNICATIONS LLC 552   2021-10-22   
940-499 9 Krum TX DLLSTX97X5X  965H FRACTEL LLC 552   2021-07-08   

Last updated: Wed, 01 Jun 2022 03:09:23 UTC

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