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.

Liberty (Randolph), NC

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
336-622 A LBRTNCXA0MD  0496 RANDOLPH TEL. MEMBERSHIP CORP. 424      
336-795 A GNBONCEUY1X  793K TWC IP ENABLED SERVICES, LLC 424   2025-02-05   
336-795 0 GNBONCEUY1X  793K TWC IP ENABLED SERVICES, LLC 424   2009-09-14   
336-795 1   145J TERRA NOVA TELECOM INC. 424   2025-07-07   
336-795 2 GNBONCCKX9X  3235 LEVEL 3 COMMUNICATIONS, LLC - NC 424   2022-05-12   
336-795 6 GNBONCEU31Z  8389 TELEPORT COMMUNICATIONS AMERICA, LLC - NC 424   2021-04-26   

Last updated: Tue, 16 Jun 2026 00:09:45 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.