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: 597

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
440-597 A Amherst OH NRTNOHIADMD  6025 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH 320      
440-597 0 Amherst OH   6025 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH 320   2018-05-24   
440-597 1 Amherst OH   001F BANDWIDTH.COM CLEC, LLC - OH 320   2018-10-28   
440-597 2 Amherst OH   464C ONVOY, LLC - OH 320   2020-01-06   
440-597 3 Amherst OH   464C ONVOY, LLC - OH 320   2020-01-06   
440-597 4 Amherst OH   464C ONVOY, LLC - OH 320   2019-06-20   
440-597 5 Amherst OH   464C ONVOY, LLC - OH 320   2019-06-20   
440-597 6 Amherst OH   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 320   2020-01-01   
440-597 7 Amherst OH   4863 LEVEL 3 COMMUNICATIONS, LLC - OH 320   2018-11-12   
440-597 8 Amherst OH   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 320   2020-01-01   
440-597 9 Amherst OH   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 320   2020-01-01   

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

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