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.

Karnack, TX

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
430-975 A KRNCTXXAPS0  1181 VALOR TELECOMM TX, LD-TX #2 DBA WINDSTREAM COMM SW 554      
430-975 0 LGVWTXPLXZX  073H TELNYX LLC 554      
430-975 1   583C TIME WARNER CBLE INFO SVC (TX) DBA TIME WARNER CBL 554      
430-975 2 TXRKTXXAHMD  624H ONVOY SPECTRUM, LLC 554      
430-975 3 TXRKTXXAHMD  624H ONVOY SPECTRUM, LLC 554      
430-975 5 LGVWTXPLXEX  903C ONVOY, LLC - TX 554      
430-975 7 TXRKTXXAHMD  624H ONVOY SPECTRUM, LLC 554      
430-975 8 LGVWTXPLXEX  903C ONVOY, LLC - TX 554      
430-975 9 KRNCTXXAPS0  1181 VALOR TELECOMM TX, LD-TX #2 DBA WINDSTREAM COMM SW 554      
903-679 A KRNCTXXADS0  1181 VALOR TELECOMM TX, LD-TX #2 DBA WINDSTREAM COMM SW 554      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.