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: 368

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
440-368 A Mentor OH CLEVOH975MD  4863 LEVEL 3 COMMUNICATIONS, LLC - OH 320      
440-368 0 Mentor OH CLEVOH975MD  4863 LEVEL 3 COMMUNICATIONS, LLC - OH 320   2008-05-19   
440-368 1 Mentor OH CLEVOH975MD  4863 LEVEL 3 COMMUNICATIONS, LLC - OH 320      
440-368 3 Mentor OH CLEVOH975MD  4863 LEVEL 3 COMMUNICATIONS, LLC - OH 320      
440-368 4 Mentor OH CLEVOH975MD  4863 LEVEL 3 COMMUNICATIONS, LLC - OH 320      
440-368 5 Mentor OH CLEVOH975MD  4863 LEVEL 3 COMMUNICATIONS, LLC - OH 320      
440-368 6 Mentor OH CLEVOH975MD  4863 LEVEL 3 COMMUNICATIONS, LLC - OH 320   2011-04-02   
440-368 7 Mentor OH CLEVOHEKKMD  516J TON80 COMMUNICATIONS LLC 320   2021-09-17   
440-368 8 Mentor OH CLEVOH62X0Z  001F BANDWIDTH.COM CLEC LLC - OH 320   2011-07-03   
440-368 9 Mentor OH CLEVOH975MD  4863 LEVEL 3 COMMUNICATIONS, LLC - OH 320      

Last updated: Fri, 13 May 2022 22:16:13 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.