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: 375

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
940-375 A Wichita Falls TX WCFLTXNIXPX  515J IP HORIZON LLC 548      
940-375 0 Wichita Falls TX   515J IP HORIZON LLC 548   2023-12-28   
940-375 1 Wichita Falls TX   515J IP HORIZON LLC 548   2020-11-19   
940-375 8 Wichita Falls TX   515J IP HORIZON LLC 548   2023-12-28   

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

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