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: 430 [Rate centres in NPA 430] [Dial plan for NPA 430]

NXX: 443

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
430-443 A Collinsville TX   903C ONVOY, LLC - TX 552      
430-443 0 Collinsville TX DLLSTX97X1X  073H TELNYX LLC 552      
430-443 1 Collinsville TX DLLSTX97X9X  516J TON80 COMMUNICATIONS, LLC 552      
430-443 2 Collinsville TX DLLSTXALDS4  903C ONVOY, LLC - TX 552      
430-443 3 Collinsville TX DLLSTXALDS4  903C ONVOY, LLC - TX 552      
430-443 4 Collinsville TX   145J TERRA NOVA TELECOM INC. 552      
430-443 5 Collinsville TX FTWOTXEDX1Z  7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 552      
430-443 6 Collinsville TX DLLSTXALDS4  903C ONVOY, LLC - TX 552      
430-443 7 Collinsville TX DLLSTXALDS4  903C ONVOY, LLC - TX 552      
430-443 8 Collinsville TX DLLSTX97TMD  939H COMMIO, LLC 552      
430-443 9 Collinsville TX DLLSTX97TMD  939H COMMIO, LLC 552      

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

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.