Local Calling Guide

Area code/prefix search

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

NXX: 347

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
740-347 A Corning OH CRNGOH34RS1  9321 OHIO BELL TEL CO 324      
740-347 0 Corning OH   515J IP HORIZON LLC 324   2024-04-28   
740-347 1 Corning OH   001F BANDWIDTH.COM CLEC, LLC - OH 324   2012-02-04   
740-347 2 Corning OH   001F BANDWIDTH.COM CLEC, LLC - OH 324   2015-06-20   
740-347 3 Corning OH   793K TWC IP ENABLED SERVICES, LLC 324   2023-04-09   
740-347 4 Corning OH   9321 OHIO BELL TEL CO 324      
740-347 5 Corning OH   516C AT&T CORP. 324   2011-10-05   
740-347 6 Corning OH   515J IP HORIZON LLC 324   2024-04-28   
740-347 7 Corning OH   464C ONVOY, LLC - OH 324   2015-07-04   
740-347 8 Corning OH   073H TELNYX LLC 324   2017-08-01   
740-347 9 Corning OH   9321 OHIO BELL TEL CO 324      

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

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