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: 691

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
806-691 A Crosbyton TX CSTNTXXAPS0  1163 VALOR TELECOMM TX, LP-TX #1 DBA WINDSTREAM COMM SW 544      
806-691 0 Crosbyton TX LBCKTXPSXOY  624H ONVOY SPECTRUM, LLC 544   2024-04-27   
806-691 2 Crosbyton TX LBCKTXPSX9Y  903C ONVOY, LLC - TX 544   2020-08-21   
806-691 3 Crosbyton TX LBCKTXPSX9Y  903C ONVOY, LLC - TX 544   2020-08-21   
806-691 4 Crosbyton TX LBCKTXPSX9Y  903C ONVOY, LLC - TX 544   2020-08-21   
806-691 8 Crosbyton TX LBCKTXPSXUX  004F BANDWIDTH.COM CLEC, LLC - TX 544   2020-05-15   
806-691 9 Crosbyton TX CSTNTXXAPS0  1163 VALOR TELECOMM TX, LP-TX #1 DBA WINDSTREAM COMM SW 544   2019-11-03   

Last updated: Sun, 27 Apr 2025 12:48:38 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.