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.

OCN: 8389 TELEPORT COMMUNICATIONS AMERICA, LLC - NC

<< 1 2 3 4 5 6 7 8

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
984-944 5 Durham NC RLGHNCHOX0Z  426   2021-12-10   

<< 1 2 3 4 5 6 7 8

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

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.