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: 584

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
940-584 A Bartonville EMS TX BNVLTXXARS1  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
940-584 0 Bartonville EMS TX BNVLTXXARS1  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
940-584 1 Bartonville EMS TX DLLSTX37XWZ  004F BANDWIDTH.COM CLEC, LLC - TX 552   2019-06-16   
940-584 6 Bartonville EMS TX DLLSTXALDS4  903C ONVOY, LLC - TX 552   2020-08-16   
940-584 7 Bartonville EMS TX DLLSTXALDS4  903C ONVOY, LLC - TX 552   2020-08-16   
940-584 8 Bartonville EMS TX DLLSTXALDS4  903C ONVOY, LLC - TX 552   2020-08-16   

Last updated: Tue, 15 Nov 2022 00:10:00 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.