Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 517 [Rate centres in NPA 517] [Dial plan for NPA 517]

NXX: 623

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
517-623 A Dansville MI DNSVMIMNRSA  9323 AMERITECH MICHIGAN 346      
517-623 0 Dansville MI DNSVMIMNRSA  9323 AMERITECH MICHIGAN 346      
517-623 1 Dansville MI   145J TERRA NOVA TELECOM INC. 346   2021-05-04   
517-623 2 Dansville MI LNNGMIXIDS0  7157 BROOKS FIBER COMMUNICATIONS OF MICHIGAN - MI 346   2004-03-16   
517-623 3 Dansville MI LNNGMIXIDS0  7157 BROOKS FIBER COMMUNICATIONS OF MICHIGAN - MI 346   2004-09-05   
517-623 4 Dansville MI LNNGMIXIDS0  7157 BROOKS FIBER COMMUNICATIONS OF MICHIGAN - MI 346   2004-05-07   
517-623 5 Dansville MI LNNGMIVE2MD  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 346   2004-07-16   
517-623 6 Dansville MI DNSVMIMNRSA  9323 AMERITECH MICHIGAN 346      
517-623 7 Dansville MI LNNGMIMNX4Z  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 346   2004-12-31   

Last updated: Tue, 04 May 2021 15:04:27 UTC

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