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: 887

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
740-887 A Londonderry OH LDRYOHXARS1  0597 CHILLICOTHE TEL. CO. 324      
740-887 0 Londonderry OH   793K TWC IP ENABLED SERVICES, LLC 324   2007-10-16   
740-887 1 Londonderry OH   0597 CHILLICOTHE TEL. CO. 324      
740-887 2 Londonderry OH   0597 CHILLICOTHE TEL. CO. 324      
740-887 3 Londonderry OH   0597 CHILLICOTHE TEL. CO. 324      
740-887 4 Londonderry OH   0597 CHILLICOTHE TEL. CO. 324      
740-887 5 Londonderry OH   0597 CHILLICOTHE TEL. CO. 324      
740-887 6 Londonderry OH   0597 CHILLICOTHE TEL. CO. 324      
740-887 7 Londonderry OH   4863 LEVEL 3 COMMUNICATIONS, LLC - OH 324   2024-02-25   
740-887 8 Londonderry OH   0597 CHILLICOTHE TEL. CO. 324      
740-887 9 Londonderry OH   0597 CHILLICOTHE TEL. CO. 324      

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

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