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: 737 [Rate centres in NPA 737] [Dial plan for NPA 737]

NXX: 350

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
737-350 A Bastrop TX BSTRTXBSBMD  732J NUSO, LLC 558   2023-02-15   
737-350 0 Bastrop TX BSTRTXBSBMD  732J NUSO, LLC 558   2023-01-14   

Last updated: Sat, 25 Feb 2023 02:10:49 UTC

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