Local Calling Guide

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Chester, OH

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
220-236 A CLMBOH1128Z  225H CEBRIDGE TELECOM OH, LLC DBA SUDDENLINK COMM 324      
220-236 0   624H ONVOY SPECTRUM, LLC 324   2024-07-25   
220-236 2   225H CEBRIDGE TELECOM OH, LLC DBA SUDDENLINK COMM 324   2022-10-23   
740-570 A CHESOHXARS1  0666 WINDSTREAM WESTERN RESERVE, INC. 324      
740-570 0   0666 WINDSTREAM WESTERN RESERVE, INC. 324      
740-570 1   4863 LEVEL 3 COMMUNICATIONS, LLC - OH 324   2007-02-10   
740-570 2   793K TWC IP ENABLED SERVICES, LLC 324   2016-11-07   
740-570 3   464C ONVOY, LLC - OH 324   2021-04-13   
740-570 4   464C ONVOY, LLC - OH 324   2019-10-05   
740-570 5   001F BANDWIDTH.COM CLEC, LLC - OH 324   2018-08-20   
740-570 7   464C ONVOY, LLC - OH 324   2021-03-11   
740-570 8   145J TERRA NOVA TELECOM INC. 324   2025-07-20   
740-570 9   0666 WINDSTREAM WESTERN RESERVE, INC. 324      
740-985 A CHESOHXARS1  0666 WINDSTREAM WESTERN RESERVE, INC. 324      

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

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