Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 231 [Rate centres in NPA 231] [Dial plan for NPA 231]

NXX: 480

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
231-480 A Ludington MI GDRPMIQLX5Y  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 348      
231-480 0 Ludington MI GDRPMIQLX5Y  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 348      
231-480 1 Ludington MI GDRPMIBL00Z  991E BANDWIDTH.COM CLEC, LLC - MI 348   2009-03-07   
231-480 2 Ludington MI LDNGMIXGDS0  0695 FRONTIER NORTH, INC. - MI 348   2013-02-20   
231-480 3 Ludington MI GDRQMIBODS0  7157 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 348   2011-05-01   
231-480 4 Ludington MI GDRPMIQLX5Y  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 348   2004-07-04   
231-480 6 Ludington MI GDRPMIBL00Z  991E BANDWIDTH.COM CLEC, LLC - MI 348   2018-08-26   
231-480 7 Ludington MI TRCYMIMNWMD  508J CENTURYLINK COMMUNICATIONS, LLC 348   2017-10-04   
231-480 8 Ludington MI MSKGMIXKQMD  624H ONVOY SPECTRUM, LLC 348   2021-06-19   
231-480 9 Ludington MI GDRPMIQLX5Y  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 348      

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

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