Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 740 [Rate centres in NPA 740] [Dial plan for NPA 740]

NXX: 510

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
740-510 A Fairview OH CLMBOH1152Z  6025 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH 324      
740-510 0 Fairview OH CLMBOH1152Z  6025 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH 324      
740-510 1 Fairview OH CLMBOH11XLZ  001F BANDWIDTH.COM CLEC, LLC - OH 324   2019-12-09   
740-510 2 Fairview OH CLMBOHLT1MD  464C ONVOY, LLC - OH 324   2021-03-24   
740-510 4 Fairview OH CLMKOHPE0MD  793K TWC IP ENABLED SERVICES, LLC 324   2022-01-16   
740-510 5 Fairview OH CLMBOH1152Z  6025 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH 324      
740-510 7 Fairview OH CLMBOH1125Z  508J CENTURYLINK COMMUNICATIONS, LLC 324   2015-06-26   
740-510 8 Fairview OH CLMBOH1152Z  6025 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH 324   2020-08-18   
740-510 9 Fairview OH CLMBOH1143Z  624H ONVOY SPECTRUM, LLC 324   2024-07-26   

Last updated: Sat, 21 Mar 2026 23:53:39 UTC

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