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: 220

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
940-220 A Denton TX DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552      
940-220 0 Denton TX DLLTTX01HMD  6529 T-MOBILE USA, INC. 552      
940-220 1 Denton TX DLLTTX01CMD  5562 METROPCS, INC. 552      
940-220 2 Denton TX DLLSTXJFDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
940-220 3 Denton TX DLLSTXALDS4  903C ONVOY, LLC - TX 552      
940-220 4 Denton TX DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552      
940-220 5 Denton TX DLLSTXHW6MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 552      
940-220 6 Denton TX DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552      
940-220 7 Denton TX DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552      
940-220 8 Denton TX DLLSTX37XWZ  004F BANDWIDTH.COM CLEC, LLC - TX 552      
940-220 9 Denton TX DLLSTX37XWZ  004F BANDWIDTH.COM CLEC, LLC - TX 552      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.