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: 835

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
817-835 A Euless EMS TX FTWOTXEUDS0  9533 SOUTHWESTERN BELL 552      
817-835 0 Euless EMS TX FTWOTXEUDS0  9533 SOUTHWESTERN BELL 552      
817-835 1 Euless EMS TX   515J IP HORIZON LLC 552   2016-03-28   
817-835 2 Euless EMS TX FTWOTXEUDS0  9533 SOUTHWESTERN BELL 552      
817-835 3 Euless EMS TX DLLSTXALDS4  903C ONVOY, LLC - TX 552   2014-08-30   
817-835 4 Euless EMS TX FTWOTXEUDS0  9533 SOUTHWESTERN BELL 552      
817-835 5 Euless EMS TX FTWOTXEUDS0  9533 SOUTHWESTERN BELL 552      
817-835 6 Euless EMS TX DLLSTXALDS4  903C ONVOY, LLC - TX 552   2016-11-19   
817-835 7 Euless EMS TX DLLSTXALDS4  903C ONVOY, LLC - TX 552   2016-11-19   
817-835 8 Euless EMS TX DLLSTXALDS4  903C ONVOY, LLC - TX 552   2014-11-01   
817-835 9 Euless EMS TX DLLSTXALDS4  903C ONVOY, LLC - TX 552   2014-11-01   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.