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: 624

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
806-624 A Darrouzett TX DRZTTXXBPS0  1163 VALOR TELECOMM TX, LP-TX #1 DBA WINDSTREAM COMM SW 546      
806-624 1 Darrouzett TX DRZTTXXBPS0  1163 VALOR TELECOMM TX, LP-TX #1 DBA WINDSTREAM COMM SW 546      
806-624 2 Darrouzett TX DRZTTXXBPS0  1163 VALOR TELECOMM TX, LP-TX #1 DBA WINDSTREAM COMM SW 546      
806-624 3 Darrouzett TX DRZTTXXBPS0  1163 VALOR TELECOMM TX, LP-TX #1 DBA WINDSTREAM COMM SW 546      
806-624 4 Darrouzett TX DRZTTXXBPS0  1163 VALOR TELECOMM TX, LP-TX #1 DBA WINDSTREAM COMM SW 546      
806-624 5 Darrouzett TX DRZTTXXBPS0  1163 VALOR TELECOMM TX, LP-TX #1 DBA WINDSTREAM COMM SW 546      
806-624 6 Darrouzett TX PYTNTX040MD  6944 PANHANDLE TELECOMMUNICATION SYSTEMS, INC. - TX 546   2020-04-17   
806-624 7 Darrouzett TX DRZTTXXBPS0  1163 VALOR TELECOMM TX, LP-TX #1 DBA WINDSTREAM COMM SW 546      
806-624 8 Darrouzett TX DRZTTXXBPS0  1163 VALOR TELECOMM TX, LP-TX #1 DBA WINDSTREAM COMM SW 546      
806-624 9 Darrouzett TX DRZTTXXBPS0  1163 VALOR TELECOMM TX, LP-TX #1 DBA WINDSTREAM COMM SW 546      

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.