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.

Golden, TX

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
903-318 A   793K TWC IP ENABLED SERVICES, LLC 554      
903-318 1   793K TWC IP ENABLED SERVICES, LLC 554   2024-04-26   
903-768 A DRCKTXXADS0  2130 PEOPLES TEL. COOP. 554      

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.