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: 325

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
817-325 A Arlington TX DLLSTXTAXTZ  624H ONVOY SPECTRUM, LLC 552      
817-325 0 Arlington TX DLLSTXTAXTZ  624H ONVOY SPECTRUM, LLC 552   2023-10-22   
817-325 1 Arlington TX DLLSTXTAXTZ  624H ONVOY SPECTRUM, LLC 552   2023-10-22   
817-325 2 Arlington TX DLLSTXTAXTZ  624H ONVOY SPECTRUM, LLC 552   2023-10-22   
817-325 3 Arlington TX DLLSTXTAXTZ  624H ONVOY SPECTRUM, LLC 552   2023-10-22   
817-325 4 Arlington TX DLLSTXTAXTZ  624H ONVOY SPECTRUM, LLC 552   2023-10-22   
817-325 5 Arlington TX DLLSTXTAXTZ  624H ONVOY SPECTRUM, LLC 552   2023-10-22   
817-325 6 Arlington TX DLLSTXTAXTZ  624H ONVOY SPECTRUM, LLC 552   2023-10-22   
817-325 7 Arlington TX DLLSTXTAXTZ  624H ONVOY SPECTRUM, LLC 552   2023-10-22   
817-325 8 Arlington TX DLLSTXTAXTZ  624H ONVOY SPECTRUM, LLC 552   2023-10-22   
817-325 9 Arlington TX DLLSTXTAXTZ  624H ONVOY SPECTRUM, LLC 552   2023-10-22   

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

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.