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: 817 [Rate centres in NPA 817] [Dial plan for NPA 817]

NXX: 791

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
817-791 A Arlington TX   6529 T-MOBILE USA, INC. 552      
817-791 0 Arlington TX DLLTTXID1MD  6529 T-MOBILE USA, INC. 552      
817-791 1 Arlington TX DLLTTXID1MD  6529 T-MOBILE USA, INC. 552      
817-791 2 Arlington TX DLLTTXID1MD  6529 T-MOBILE USA, INC. 552      
817-791 3 Arlington TX DLLTTXID1MD  6529 T-MOBILE USA, INC. 552      
817-791 4 Arlington TX DLLTTXID1MD  6529 T-MOBILE USA, INC. 552      
817-791 5 Arlington TX DLLTTXID1MD  6529 T-MOBILE USA, INC. 552      
817-791 6 Arlington TX DLLTTXID1MD  6529 T-MOBILE USA, INC. 552      
817-791 7 Arlington TX DLLTTXID1MD  6529 T-MOBILE USA, INC. 552      
817-791 8 Arlington TX DLLTTXID1MD  6529 T-MOBILE USA, INC. 552      
817-791 9 Arlington TX   6529 T-MOBILE USA, INC. 552      

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.