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: 338

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
430-338 A Beckville TX LGVWTXPLXEX  903C ONVOY, LLC - TX 554      
430-338 1 Beckville TX   793K TWC IP ENABLED SERVICES, LLC 554   2025-06-01   
430-338 2 Beckville TX LGVWTXPLXEX  903C ONVOY, LLC - TX 554   2023-11-05   
430-338 8 Beckville TX   145J TERRA NOVA TELECOM INC. 554   2026-01-10   

Last updated: Thu, 05 Feb 2026 23:41:55 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.