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: 440 [Rate centres in NPA 440] [Dial plan for NPA 440]

NXX: 678

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
440-678 A Chesterland OH CLEVOH975MD  4863 LEVEL 3 COMMUNICATIONS, LLC - OH 320      
440-678 0 Chesterland OH   284F PEERLESS NETWORK OF OHIO, LLC - OH 320   2013-04-26   
440-678 1 Chesterland OH   624H ONVOY SPECTRUM, LLC 320   2021-11-26   
440-678 2 Chesterland OH   516J TON80 COMMUNICATIONS, LLC 320   2021-08-13   
440-678 4 Chesterland OH   829J PAETEC ITEL, LLC 320   2004-01-06   
440-678 6 Chesterland OH   624H ONVOY SPECTRUM, LLC 320   2021-11-26   
440-678 7 Chesterland OH   001F BANDWIDTH.COM CLEC, LLC - OH 320   2010-02-19   
440-678 8 Chesterland OH   001F BANDWIDTH.COM CLEC, LLC - OH 320   2009-01-04   
440-678 9 Chesterland OH   4863 LEVEL 3 COMMUNICATIONS, LLC - OH 320      

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

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.