Local Calling Guide

Area code/prefix search

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Howard City, MI

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
231-636 A GDRPMIBLX8Z  2550 123.NET, INC. 348      
231-636 0 GDRPMIBLX8Z  2550 123.NET, INC. 348      
231-636 1 GDRPMIBL00Z  991E BANDWIDTH.COM CLEC, LLC - MI 348   2020-04-18   
231-636 2 GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2017-05-19   
231-636 3 GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2013-03-18   
231-636 4 GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2021-03-06   
231-636 5 GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2021-03-06   
231-636 7 TRCYMIMNWMD  508J CENTURYLINK COMMUNICATIONS, LLC 348   2015-09-15   
231-636 8 MSKGMIXKQMD  624H ONVOY SPECTRUM, LLC 348   2021-06-19   
231-636 9 GDRPMIBL41Z  506J TWILIO INTERNATIONAL, INC. 348   2021-07-26   
231-648 A GDRPMIQLX5Y  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 348      
231-648 2 GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2022-06-01   
231-648 3 GDRPMIQLX5Y  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 348   2006-01-05   
231-648 5 GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2022-06-01   
231-648 6 ANTSMIADPS0  351D CHARTER FIBERLINK - MICHIGAN, LLC - MI 348   2007-02-25   
231-648 8 GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2022-04-17   
231-695 A GDRPMIBQ1MD  4632 TELNET WORLDWIDE, INC. 348      
231-937 A HWCYMIXGDS0  0695 FRONTIER NORTH, INC. - MI 348      
231-937 0 GDRPMIBLXTZ  3535 ACD TELECOM, INC. - MI 348   2005-02-11   
231-937 1 MSKGMIXKFMD  691A DAYSTARR, LLC DBA DAYSTARR COMMUNICATIONS - MI 348   2014-07-15   
231-937 2 GDRPMIQLX5Y  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 348   2004-07-17   
231-937 4 HWCYMIXGDS0  0695 FRONTIER NORTH, INC. - MI 348      
231-937 5 HWCYMIXGDS0  0695 FRONTIER NORTH, INC. - MI 348      
231-937 6 HWCYMIXGDS0  0695 FRONTIER NORTH, INC. - MI 348      
231-937 7 HWCYMIXGDS0  0695 FRONTIER NORTH, INC. - MI 348      
231-937 8 HWCYMIXGDS0  0695 FRONTIER NORTH, INC. - MI 348      
231-937 9 HWCYMIXGDS0  0695 FRONTIER NORTH, INC. - MI 348      

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

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