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: 621

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
440-621 A Bainbridge (Geauga) OH CLEVOH64XIX  225H CEBRIDGE TELECOM OH, LLC DBA SUDDENLINK COMM 320   2024-05-09   
440-621 0 Bainbridge (Geauga) OH   464C ONVOY, LLC - OH 320   2025-05-02   
440-621 1 Bainbridge (Geauga) OH CLEVOH64XIX  225H CEBRIDGE TELECOM OH, LLC DBA SUDDENLINK COMM 320   2024-05-09   

Last updated: Sun, 01 Jun 2025 02:18:11 UTC

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