Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Torch River Bridge, MI

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
231-320 A GDRPMIBL00Z  991E BANDWIDTH.COM CLEC, LLC - MI 348      
231-320 0 GDRPMIBL00Z  991E BANDWIDTH.COM CLEC, LLC - MI 348   2021-11-04   
231-320 1 GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2023-08-06   
231-320 2 GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2022-03-04   
231-320 3 GDRPMIBL41Z  506J TWILIO INTERNATIONAL, INC. 348   2021-11-05   
231-320 4 GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2023-01-04   
231-320 8 GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2023-09-28   
231-322 A TRRVMIXGRS0  0695 FRONTIER NORTH, INC. - MI 348      
231-322 0 GDRPMIBLXTZ  3535 ACD TELECOM, INC. - MI 348   2005-02-18   
231-322 1 GDRPMIQLX5Y  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 348   2006-05-31   
231-322 2 TRRVMIXGRS0  0695 FRONTIER NORTH, INC. - MI 348      
231-322 3 ANTSMIADPS0  351D CHARTER FIBERLINK - MICHIGAN, LLC - MI 348   2007-02-25   
231-322 4 TRRVMIXGRS0  0695 FRONTIER NORTH, INC. - MI 348      
231-322 5 TRCYMIMNWMD  508J CENTURYLINK COMMUNICATIONS, LLC 348   2015-09-19   
231-322 6 TRRVMIXGRS0  0695 FRONTIER NORTH, INC. - MI 348      
231-322 7 GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2013-03-18   
231-322 8 GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2021-03-27   
231-322 9 GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2021-05-10   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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