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: 493

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
940-493 A Denton TX DLLTTX01HMD  6529 T-MOBILE USA, INC. 552      
940-493 0 Denton TX DLLTTX01HMD  6529 T-MOBILE USA, INC. 552   2022-12-19   
940-493 1 Denton TX DLLTTX01HMD  6529 T-MOBILE USA, INC. 552   2022-12-19   
940-493 2 Denton TX DLLTTX01HMD  6529 T-MOBILE USA, INC. 552   2022-12-19   
940-493 3 Denton TX DLLTTX01HMD  6529 T-MOBILE USA, INC. 552   2022-12-19   
940-493 4 Denton TX DLLTTX01HMD  6529 T-MOBILE USA, INC. 552   2022-12-19   
940-493 5 Denton TX DLLTTX01HMD  6529 T-MOBILE USA, INC. 552   2022-12-19   
940-493 6 Denton TX DLLTTX01HMD  6529 T-MOBILE USA, INC. 552   2022-12-19   
940-493 7 Denton TX DLLTTX01HMD  6529 T-MOBILE USA, INC. 552   2022-12-19   
940-493 8 Denton TX DLLTTX01HMD  6529 T-MOBILE USA, INC. 552   2022-12-19   
940-493 9 Denton TX DLLTTX01HMD  6529 T-MOBILE USA, INC. 552   2022-12-19   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.