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.

Jim Hogg, TX

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
430-366 A LGVWTXPLXIY  583C TIME WARNER CBLE INFO SVC (TX) DBA TIME WARNER CBL 554   2024-12-08   
430-366 1 LGVWTXPLXIY  583C TIME WARNER CBLE INFO SVC (TX) DBA TIME WARNER CBL 554   2024-11-03   
903-967 A DRCKTXXADS0  2130 PEOPLES TEL. COOP. 554      

Last updated: Sun, 01 Jun 2025 02:18:11 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.