Local Calling Guide

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

NXX: 483

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
740-483 A Duffy OH DFFYOH48RS1  9321 OHIO BELL TEL CO 324      
740-483 0 Duffy OH   001F BANDWIDTH.COM CLEC, LLC - OH 324   2009-01-05   
740-483 1 Duffy OH   9321 OHIO BELL TEL CO 324      
740-483 2 Duffy OH   9321 OHIO BELL TEL CO 324      
740-483 3 Duffy OH   464C ONVOY, LLC - OH 324   2015-07-04   
740-483 5 Duffy OH   516C AT&T CORP. 324   2011-10-05   
740-483 6 Duffy OH   6701 AERIAL COMMUNICATIONS, INC. 324   2023-07-10   
740-483 7 Duffy OH   6701 AERIAL COMMUNICATIONS, INC. 324   2021-02-08   
740-483 8 Duffy OH   145J TERRA NOVA TELECOM INC. 324   2024-02-14   
740-483 9 Duffy OH   9321 OHIO BELL TEL CO 324      

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

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