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: 334

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
567-334 A Congress OH TOLDOHIR3MD  4863 LEVEL 3 COMMUNICATIONS, LLC - OH 326      
567-334 0 Congress OH   4863 LEVEL 3 COMMUNICATIONS, LLC - OH 326      
567-334 1 Congress OH   001F BANDWIDTH.COM CLEC, LLC - OH 326   2009-01-04   
567-334 2 Congress OH   464C ONVOY, LLC - OH 326   2021-03-23   
567-334 3 Congress OH   464C ONVOY, LLC - OH 326   2018-11-17   
567-334 5 Congress OH   516J TON80 COMMUNICATIONS, LLC 326   2021-06-28   
567-334 7 Congress OH   508J CENTURYLINK COMMUNICATIONS, LLC 326   2014-04-13   
567-334 8 Congress OH   073H TELNYX LLC 326   2019-10-03   
567-334 9 Congress OH   284F PEERLESS NETWORK OF OHIO, LLC - OH 326   2013-12-29   

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.