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: 903 [Rate centres in NPA 903] [Dial plan for NPA 903]

NXX: 744

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
903-744 A Sherman TX DLLTTX01IMD  6529 T-MOBILE USA, INC. 552      
903-744 0 Sherman TX DLLTTX01IMD  6529 T-MOBILE USA, INC. 552      
903-744 1 Sherman TX DLLTTX01DMD  5562 METROPCS, INC. 552      
903-744 2 Sherman TX DLLTTX01IMD  6529 T-MOBILE USA, INC. 552      
903-744 3 Sherman TX DLLTTX01IMD  6529 T-MOBILE USA, INC. 552      
903-744 4 Sherman TX DLLTTX01IMD  6529 T-MOBILE USA, INC. 552      
903-744 5 Sherman TX DLLTTX01IMD  6529 T-MOBILE USA, INC. 552      
903-744 6 Sherman TX DLLTTX01IMD  6529 T-MOBILE USA, INC. 552      
903-744 7 Sherman TX DLLTTX01IMD  6529 T-MOBILE USA, INC. 552      
903-744 8 Sherman TX DLLTTX01IMD  6529 T-MOBILE USA, INC. 552      
903-744 9 Sherman TX DLLTTX01IMD  6529 T-MOBILE USA, INC. 552      

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

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.