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: 668

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
231-668 A Traverse City MI GDRPMIQLX5Y  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 348      
231-668 0 Traverse City MI GDRPMIBL52Z  829J PAETEC ITEL, LLC 348   2003-12-01   
231-668 1 Traverse City MI GDRQMIBODMD  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 348   2004-07-12   
231-668 2 Traverse City MI GDRQMIBODMD  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 348   2004-07-12   
231-668 3 Traverse City MI GDRPMIBL31Z  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 348   2004-08-15   
231-668 4 Traverse City MI GDRPMIQLX5Y  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 348      
231-668 5 Traverse City MI GDRPMIQLX5Y  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 348   2016-04-12   
231-668 6 Traverse City MI GDRPMIQLX5Y  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 348   2006-08-10   
231-668 7 Traverse City MI GDRPMIQLX5Y  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 348   2005-07-01   
231-668 8 Traverse City MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2010-03-27   
231-668 9 Traverse City MI GDRPMIQLX5Y  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 348   2007-05-02   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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