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: 600

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
430-600 A Henderson TX LGVWTXPLX5Y  965H FRACTEL, LLC 554      
430-600 0 Henderson TX LGVWTXPLX5Y  965H FRACTEL, LLC 554      
430-600 1 Henderson TX TXRKTXXAHMD  624H ONVOY SPECTRUM, LLC 554      
430-600 2 Henderson TX TXRKTXXAHMD  624H ONVOY SPECTRUM, LLC 554      
430-600 3 Henderson TX TXRKTXXAHMD  624H ONVOY SPECTRUM, LLC 554      
430-600 4 Henderson TX LGVWTXPLXEX  903C ONVOY, LLC - TX 554      
430-600 5 Henderson TX LGVWTXPLXEX  903C ONVOY, LLC - TX 554      
430-600 6 Henderson TX LGVWTXPLX5Y  965H FRACTEL, LLC 554      
430-600 7 Henderson TX LGVWTXPLXEX  903C ONVOY, LLC - TX 554      
430-600 8 Henderson TX LGVWTXPLXEX  903C ONVOY, LLC - TX 554      
430-600 9 Henderson TX LGVWTXPLXEX  903C ONVOY, LLC - TX 554      

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.