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: 683

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
231-683 A Muskegon MI GDRPMIQLX5Y  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 348      
231-683 0 Muskegon MI   5562 METRO PCS, INC. 348   2009-03-27   
231-683 1 Muskegon MI   6120 LEVEL 3 COMMUNICATIONS, LLC - MI 348   2006-03-27   
231-683 2 Muskegon MI   7157 BROOKS FIBER COMMUNICATIONS OF MICHIGAN - MI 348   2006-05-16   
231-683 3 Muskegon MI   5562 METRO PCS, INC. 348   2009-03-27   
231-683 4 Muskegon MI   6120 LEVEL 3 COMMUNICATIONS, LLC - MI 348      
231-683 5 Muskegon MI   5562 METRO PCS, INC. 348   2009-03-27   
231-683 6 Muskegon MI   5562 METRO PCS, INC. 348   2009-03-27   
231-683 7 Muskegon MI   5562 METRO PCS, INC. 348   2009-03-27   
231-683 8 Muskegon MI   5562 METRO PCS, INC. 348   2009-03-27   
231-683 9 Muskegon MI   6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 348   2012-11-15   

Last updated: Sun, 04 Apr 2021 19:28:27 UTC

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