Local Calling Guide

Area code/prefix search

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NPA: 740 [Rate centres in NPA 740] [Dial plan for NPA 740]

NXX: 561

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
740-561 A Gnadenhutten OH CLMKOHPE0MD  793K TWC IP ENABLED SERVICES, LLC 324   2025-02-04   
740-561 0 Gnadenhutten OH   464C ONVOY, LLC - OH 324   2015-07-04   
740-561 1 Gnadenhutten OH   001F BANDWIDTH.COM CLEC, LLC - OH 324   2009-01-05   
740-561 2 Gnadenhutten OH   464C ONVOY, LLC - OH 324   2012-10-13   
740-561 3 Gnadenhutten OH   001F BANDWIDTH.COM CLEC, LLC - OH 324   2013-06-15   
740-561 4 Gnadenhutten OH   793K TWC IP ENABLED SERVICES, LLC 324   2006-11-21   
740-561 5 Gnadenhutten OH   516C AT&T CORP. 324   2010-12-14   
740-561 6 Gnadenhutten OH   508J CENTURYLINK COMMUNICATIONS, LLC 324   2014-07-04   
740-561 7 Gnadenhutten OH   624H ONVOY SPECTRUM, LLC 324   2024-07-26   
740-561 8 Gnadenhutten OH   284F PEERLESS NETWORK OF OHIO, LLC - OH 324   2013-04-27   
740-561 9 Gnadenhutten OH   284F PEERLESS NETWORK OF OHIO, LLC - OH 324   2013-04-27   

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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