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: 806 [Rate centres in NPA 806] [Dial plan for NPA 806]

NXX: 483

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
806-483 A Post TX POSTTXXAPS0  1163 VALOR TELECOMM TX, LP-TX #1 DBA WINDSTREAM COMM SW 544      
806-483 4 Post TX LBCKTXPSX9Y  903C ONVOY, LLC - TX 544   2021-06-24   
806-483 9 Post TX POSTTXXAPS0  1163 VALOR TELECOMM TX, LP-TX #1 DBA WINDSTREAM COMM SW 544   2015-09-03   

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

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.