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: SHMNTXXASMD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
430-330 A Collinsville TX 903C ONVOY, LLC - TX 552      
430-330 0 Collinsville TX 903C ONVOY, LLC - TX 552      
430-330 3 Collinsville TX 903C ONVOY, LLC - TX 552      
430-422 1 Sherman TX 903C ONVOY, LLC - TX 552      
430-422 8 Sherman TX 903C ONVOY, LLC - TX 552      
903-214 7 Sherman TX 903C ONVOY, LLC - TX 552      
903-214 8 Sherman TX 903C ONVOY, LLC - TX 552      
903-214 9 Sherman TX 903C ONVOY, LLC - TX 552      
903-430 5 Bonham TX 903C ONVOY, LLC - TX 552      
903-430 6 Bonham TX 903C ONVOY, LLC - TX 552      
903-430 7 Bonham TX 903C ONVOY, LLC - TX 552      
903-430 8 Bonham TX 903C ONVOY, LLC - TX 552      
903-430 9 Bonham TX 903C ONVOY, LLC - TX 552      
903-551 0 Gunter TX 624H ONVOY SPECTRUM, LLC 552      
903-551 2 Gunter TX 624H ONVOY SPECTRUM, LLC 552      

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

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.