Local Calling Guide

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Search area code/prefix (NPA/NXX)
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NPA: 440 [Rate centres in NPA 440] [Dial plan for NPA 440]

NXX: 378

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
440-378 A Strongsville OH CLEVOH975MD  4863 LEVEL 3 COMMUNICATIONS, LLC - OH 320      
440-378 0 Strongsville OH CLEVOH975MD  4863 LEVEL 3 COMMUNICATIONS, LLC - OH 320      
440-378 1 Strongsville OH CLEVOHEKDS0  464C ONVOY, LLC - OH 320   2004-08-27   
440-378 2 Strongsville OH CLEVOHEKDS0  464C ONVOY, LLC - OH 320   2004-08-27   
440-378 3 Strongsville OH CLEVOHEKDS0  464C ONVOY, LLC - OH 320   2004-08-27   
440-378 4 Strongsville OH CLEVOH975MD  4863 LEVEL 3 COMMUNICATIONS, LLC - OH 320      
440-378 5 Strongsville OH CLEVOH975MD  4863 LEVEL 3 COMMUNICATIONS, LLC - OH 320      
440-378 8 Strongsville OH CLEVOHEKDS0  464C ONVOY, LLC - OH 320   2004-08-27   

Last updated: Fri, 25 Jul 2025 03:21:23 UTC

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