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: 507

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
817-507 A Glendale TX DLLSTXALDS4  903C ONVOY, LLC - TX 552      
817-507 0 Glendale TX DLLSTXALDS4  903C ONVOY, LLC - TX 552      
817-507 1 Glendale TX DLLSTXALDS4  903C ONVOY, LLC - TX 552      
817-507 2 Glendale TX DLLSTXALDS4  903C ONVOY, LLC - TX 552      
817-507 3 Glendale TX FTWPTXZPPS0  353D CHARTER FIBERLINK TX-CCO, LLC - TX 552   2005-12-25   
817-507 4 Glendale TX DLLSTXALDS4  903C ONVOY, LLC - TX 552      
817-507 5 Glendale TX ELSSTXAEGT6  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2006-01-19   
817-507 6 Glendale TX ELSSTXAEGT6  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2006-01-19   
817-507 7 Glendale TX ELSSTXAEGT6  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2006-01-19   
817-507 8 Glendale TX ELSSTXAEGT6  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2006-01-19   
817-507 9 Glendale TX ELSSTXAEGT6  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2006-01-19   

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

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.