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.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

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

NXX: 942

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
940-942 A Nocona TX WCFLTXNIXJX  073H TELNYX LLC 548      
940-942 0 Nocona TX WCFLTXNIXJX  073H TELNYX LLC 548   2021-03-24   
940-942 1 Nocona TX WCFLTXFG4MD  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 548   2023-06-04   
940-942 2 Nocona TX WCFLTXNIXLX  624H ONVOY SPECTRUM, LLC 548   2024-05-03   
940-942 6 Nocona TX WCFLTXNIXTX  516J TON80 COMMUNICATIONS, LLC 548   2022-04-21   
940-942 8 Nocona TX WCFLTXNIX6X  903C ONVOY, LLC - TX 548   2023-08-06   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.