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: 567 [Rate centres in NPA 567] [Dial plan for NPA 567]

NXX: 743

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
567-743 A Norwalk OH NRWLOHXAJMD  464C ONVOY, LLC - OH 326   2025-01-15   
567-743 1 Norwalk OH   464C ONVOY, LLC - OH 326   2009-05-02   
567-743 6 Norwalk OH   516J TON80 COMMUNICATIONS, LLC 326   2021-06-11   
567-743 7 Norwalk OH   464C ONVOY, LLC - OH 326   2018-11-18   
567-743 9 Norwalk OH   793K TWC IP ENABLED SERVICES, LLC 326   2012-03-20   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.