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: 755

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
817-755 A Springtown TX DLLATX37DMD  8489 GLOBAL CROSSING LOCAL SERVICES, INC. - TX 552      
817-755 0 Springtown TX DLLSTX37DSH  004F BANDWIDTH.COM CLEC, LLC - TX 552      
817-755 1 Springtown TX DLLSTX37DSH  004F BANDWIDTH.COM CLEC, LLC - TX 552      
817-755 4 Springtown TX DLLATX37DMD  8489 GLOBAL CROSSING LOCAL SERVICES, INC. - TX 552      
817-755 5 Springtown TX DLLSTXALDS4  903C ONVOY, LLC - TX 552      
817-755 6 Springtown TX DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552      
817-755 7 Springtown TX DLLSTXALDS4  903C ONVOY, LLC - TX 552      
817-755 8 Springtown TX DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552      
817-755 9 Springtown TX DLLSTXALDS4  903C ONVOY, LLC - TX 552      

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

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.