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: 580

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
740-580 A Shawnee OH   464C ONVOY, LLC - OH 324      
740-580 0 Shawnee OH   284F PEERLESS NETWORK OF OHIO, LLC - OH 324   2013-04-27   
740-580 1 Shawnee OH   464C ONVOY, LLC - OH 324   2021-03-11   
740-580 2 Shawnee OH   001F BANDWIDTH.COM CLEC, LLC - OH 324   2014-05-24   
740-580 3 Shawnee OH   464C ONVOY, LLC - OH 324   2016-04-11   
740-580 4 Shawnee OH   464C ONVOY, LLC - OH 324   2016-04-11   
740-580 5 Shawnee OH   073H TELNYX LLC 324   2017-08-01   
740-580 6 Shawnee OH   515J IP HORIZON LLC 324   2016-10-12   
740-580 7 Shawnee OH   508J CENTURYLINK COMMUNICATIONS, LLC 324   2014-07-07   
740-580 8 Shawnee OH   464C ONVOY, LLC - OH 324   2015-02-13   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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