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: 501 [Rate centres in NPA 501] [Dial plan for NPA 501]

NXX: 770

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
501-770 A Wrightsville AR LTRKARFRXLY  348F ONVOY, LLC - AR 528      
501-770 0 Wrightsville AR LTRKARZO2MD  073H TELNYX LLC 528   2019-12-11   
501-770 1 Wrightsville AR LTRKARFRXLY  348F ONVOY, LLC - AR 528   2020-10-16   
501-770 2 Wrightsville AR LTRKARFRXLY  348F ONVOY, LLC - AR 528   2020-10-16   
501-770 4 Wrightsville AR LTRKARFRXFY  624H ONVOY SPECTRUM, LLC 528   2024-05-27   
501-770 7 Wrightsville AR LTRKARFRXLY  348F ONVOY, LLC - AR 528   2019-12-10   
501-770 8 Wrightsville AR LTRKARFRXLY  348F ONVOY, LLC - AR 528   2019-12-10   
501-770 9 Wrightsville AR   515J IP HORIZON LLC 528   2024-03-11   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.