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: 301

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
231-301 A Hart MI GDRQMIBODMD  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 348      
231-301 0 Hart MI GDRQMIBODMD  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 348      
231-301 1 Hart MI GDRQMIBODMD  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 348      
231-301 2 Hart MI GDRQMIBODMD  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 348      
231-301 3 Hart MI GDRQMIBODMD  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 348      
231-301 4 Hart MI GDRQMIBODMD  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 348      
231-301 5 Hart MI GDRQMIBODMD  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 348      
231-301 6 Hart MI GDRPMIBLXTZ  3535 ACD TELECOM, INC. - MI 348   2005-02-11   
231-301 7 Hart MI GDRPMIBQ1MD  4632 TELNET WORLDWIDE, INC. 348   2005-09-02   
231-301 8 Hart MI ANTSMIADPS0  351D CHARTER FIBERLINK - MICHIGAN, LLC - MI 348   2007-02-25   
231-301 9 Hart MI GDRPMIBLXDZ  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 348   2007-07-27   

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

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