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: 630

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
817-630 A Arlington TX DLLTTX01DMD  6529 T-MOBILE USA, INC. 552      
817-630 0 Arlington TX DLLTTX01DMD  6529 T-MOBILE USA, INC. 552      
817-630 1 Arlington TX DLLTTX01DMD  6529 T-MOBILE USA, INC. 552      
817-630 2 Arlington TX DLLTTX01DMD  6529 T-MOBILE USA, INC. 552      
817-630 3 Arlington TX DLLTTX01DMD  6529 T-MOBILE USA, INC. 552      
817-630 4 Arlington TX DLLTTX01DMD  6529 T-MOBILE USA, INC. 552      
817-630 5 Arlington TX DLLTTX01DMD  6529 T-MOBILE USA, INC. 552      
817-630 6 Arlington TX DLLTTX01DMD  6529 T-MOBILE USA, INC. 552      
817-630 7 Arlington TX DLLTTX01DMD  6529 T-MOBILE USA, INC. 552      
817-630 8 Arlington TX DLLTTX01DMD  6529 T-MOBILE USA, INC. 552      
817-630 9 Arlington TX   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.