Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Lake Ann, MI

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
231-240 A GDRPMIBQDS1  4632 TELNET WORLDWIDE, INC. 348   2004-05-20   
231-275 A LKANMIXIDS0  0702 CENTURYTEL OF MICHIGAN INC DBA CENTURYLINK 348      
231-640 A WYNGMIKAGT2  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 348      
231-640 0   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 348      
231-640 1   3535 ACD TELECOM, INC. - MI 348   2005-02-11   
231-640 2   351D CHARTER FIBERLINK - MICHIGAN, LLC - MI 348   2012-10-05   
231-640 4   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 348   2009-06-14   
231-640 6   7575 CENTURYLINK COMMUNICATIONS LLC 348   2017-06-21   
231-640 9   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 348   2016-03-11   

Last updated: Sat, 27 Jul 2019 10:59:49 UTC

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