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.

Switch: CLPPVACURMD

<< 1 2 3 4 5

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
826-828 A Middleburg VA 138E ONVOY, LLC - VA 246      
826-828 6 Middleburg VA 138E ONVOY, LLC - VA 246   2022-09-26   
826-888 6 Boyce VA 138E ONVOY, LLC - VA 246   2022-08-22   
826-888 7 Boyce VA 138E ONVOY, LLC - VA 246   2022-08-22   

<< 1 2 3 4 5

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.