Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 313 [Rate centres in NPA 313] [Dial plan for NPA 313]

NXX: 406

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
313-406 A Detroit Zone 6 MI WAYNMIMNXNX  8935 COMCAST PHONE OF MICHIGAN, LLC - MI 340      
313-406 0 Detroit Zone 6 MI LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS LLC 340   2013-06-17   
313-406 1 Detroit Zone 6 MI LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS LLC 340   2013-06-17   
313-406 2 Detroit Zone 6 MI WAYNMIMNXNX  8935 COMCAST PHONE OF MICHIGAN, LLC - MI 340      
313-406 3 Detroit Zone 6 MI WAYNMIMNXNX  8935 COMCAST PHONE OF MICHIGAN, LLC - MI 340      
313-406 4 Detroit Zone 6 MI WAYNMIMNXNX  8935 COMCAST PHONE OF MICHIGAN, LLC - MI 340      
313-406 5 Detroit Zone 6 MI WAYNMIMNXNX  8935 COMCAST PHONE OF MICHIGAN, LLC - MI 340      
313-406 6 Detroit Zone 6 MI TROYMIUVPS0  668E SIGECOM, LLC DBA WOW INTERNET CABLE AND PHONE 340   2007-08-02   
313-406 7 Detroit Zone 6 MI SFLDMIDNDS6  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340   2005-09-22   
313-406 8 Detroit Zone 6 MI SFLDMIDNDS6  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340   2005-09-22   
313-406 9 Detroit Zone 6 MI WAYNMIMNXNX  8935 COMCAST PHONE OF MICHIGAN, LLC - MI 340      

Last updated: Sun, 07 Feb 2021 01:52:50 UTC

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