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: 800

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
740-800 A Carroll OH CLMBOH11XJZ  516C AT&T CORP. 324      
740-800 2 Carroll OH CLMDOH44MMD  516J TON80 COMMUNICATIONS, LLC 324   2021-09-25   
740-800 7 Carroll OH CLMBOH11XJZ  516C AT&T CORP. 324   2011-04-03   
740-800 8 Carroll OH CLMBOHLT1MD  464C ONVOY, LLC - OH 324   2017-10-09   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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