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: 634

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
440-634 A Amherst OH CLEVOH02RMD  7532 TELEPORT COMMUNICATIONS AMERICA, LLC - OH 320      
440-634 0 Amherst OH   6025 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH 320   2021-11-16   
440-634 1 Amherst OH   001F BANDWIDTH.COM CLEC, LLC - OH 320   2022-01-09   
440-634 2 Amherst OH   624H ONVOY SPECTRUM, LLC 320   2021-06-06   
440-634 3 Amherst OH   490J DISH WIRELESS, LLC 320   2025-09-27   
440-634 4 Amherst OH   464C ONVOY, LLC - OH 320   2020-12-20   
440-634 5 Amherst OH   464C ONVOY, LLC - OH 320   2020-12-20   
440-634 6 Amherst OH   7532 TELEPORT COMMUNICATIONS AMERICA, LLC - OH 320   2020-03-19   
440-634 7 Amherst OH   464C ONVOY, LLC - OH 320   2024-02-24   
440-634 8 Amherst OH   624H ONVOY SPECTRUM, LLC 320   2021-11-26   
440-634 9 Amherst OH   624H ONVOY SPECTRUM, LLC 320   2021-11-26   

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

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