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: 520

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
740-520 A Adamsville OH CLMBOH11XLZ  001F BANDWIDTH.COM CLEC, LLC - OH 324      
740-520 0 Adamsville OH   001F BANDWIDTH.COM CLEC, LLC - OH 324   2011-11-25   
740-520 1 Adamsville OH   073H TELNYX LLC 324   2021-01-03   
740-520 2 Adamsville OH   001F BANDWIDTH.COM CLEC, LLC - OH 324   2014-12-26   
740-520 3 Adamsville OH   464C ONVOY, LLC - OH 324   2016-04-11   
740-520 4 Adamsville OH   464C ONVOY, LLC - OH 324   2016-04-11   
740-520 5 Adamsville OH   464C ONVOY, LLC - OH 324   2020-12-18   
740-520 6 Adamsville OH   464C ONVOY, LLC - OH 324   2020-12-18   
740-520 7 Adamsville OH   4863 LEVEL 3 COMMUNICATIONS, LLC - OH 324   2013-11-22   
740-520 8 Adamsville OH   464C ONVOY, LLC - OH 324   2019-02-22   
740-520 9 Adamsville OH   464C ONVOY, LLC - OH 324   2019-02-22   

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

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