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: 283

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
430-283 A Arp TX LGVWTXBAFMD  073H TELNYX LLC 554      
430-283 0 Arp TX LGVWTXBAFMD  073H TELNYX LLC 554   2021-07-08   
430-283 1 Arp TX LGVWTXPLXIY  583C TIME WARNER CBLE INFO SVC (TX) DBA TIME WARNER CBL 554   2025-01-19   
430-283 2 Arp TX LGVWTXPLXEX  903C ONVOY, LLC - TX 554   2021-07-17   
430-283 3 Arp TX TXRKTXXAHMD  624H ONVOY SPECTRUM, LLC 554   2021-07-12   
430-283 4 Arp TX LGVWTXPLXEX  903C ONVOY, LLC - TX 554   2021-08-20   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.