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: 397

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
440-397 A Brecksville OH CLEVOH975MD  4863 LEVEL 3 COMMUNICATIONS, LLC - OH 320      
440-397 0 Brecksville OH   624H ONVOY SPECTRUM, LLC 320   2021-11-26   
440-397 1 Brecksville OH   624H ONVOY SPECTRUM, LLC 320   2021-11-26   
440-397 2 Brecksville OH   464C ONVOY, LLC - OH 320   2024-03-09   
440-397 3 Brecksville OH   4863 LEVEL 3 COMMUNICATIONS, LLC - OH 320      
440-397 4 Brecksville OH   4863 LEVEL 3 COMMUNICATIONS, LLC - OH 320   2002-05-15   
440-397 5 Brecksville OH   145J TERRA NOVA TELECOM INC. 320   2023-08-09   
440-397 6 Brecksville OH   515J IP HORIZON LLC 320   2024-03-07   
440-397 7 Brecksville OH   732J NUSO, LLC 320   2024-09-28   
440-397 9 Brecksville OH   197D VONAGE AMERICA LLC 320   2022-07-31   

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

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