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: 364

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
940-364 A Denton TX DLLTTX01HMD  6529 T-MOBILE USA, INC. 552   2024-01-11   
940-364 0 Denton TX DLLTTX01HMD  6529 T-MOBILE USA, INC. 552      
940-364 1 Denton TX DLLTTX01HMD  6529 T-MOBILE USA, INC. 552      
940-364 2 Denton TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 552      
940-364 3 Denton TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552      
940-364 4 Denton TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552      
940-364 5 Denton TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552      
940-364 6 Denton TX   6529 T-MOBILE USA, INC. 552      
940-364 7 Denton TX DLLSTX97TMD  939H COMMIO, LLC 552      
940-364 8 Denton TX DLLSTX97TMD  939H COMMIO, LLC 552      
940-364 9 Denton TX DLLTTX01HMD  6529 T-MOBILE USA, INC. 552      

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.