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.

Switch: DLLTTX01HMD

<< 1 2

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
940-977 1 Denton TX 6529 T-MOBILE USA, INC. 552      
940-977 2 Denton TX 6529 T-MOBILE USA, INC. 552      
940-977 3 Denton TX 6529 T-MOBILE USA, INC. 552      
940-977 4 Denton TX 6529 T-MOBILE USA, INC. 552      
940-977 5 Denton TX 6529 T-MOBILE USA, INC. 552      
940-977 9 Denton TX 6529 T-MOBILE USA, INC. 552      
940-999 8 Denton TX 6529 T-MOBILE USA, INC. 552      

<< 1 2

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

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.