Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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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 2 Mentor OH   515J IP HORIZON LLC 320   2024-03-07   
440-368 3 Mentor OH   464C ONVOY, LLC - OH 320   2026-03-15   
440-368 4 Mentor OH   284F PEERLESS NETWORK OF OHIO, LLC - OH 320   2026-04-24   
440-368 5 Mentor OH CLEVOH62X0Z  001F BANDWIDTH.COM CLEC, LLC - OH 320   2022-11-03   
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 CLEVOH62X0Z  001F BANDWIDTH.COM CLEC, LLC - OH 320   2022-11-03   

Last updated: Tue, 31 Mar 2026 13:56:49 UTC

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