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:

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
313-633 A Detroit Zone 6 MI BRHMMIBD7MD  7421 AT&T LOCAL 340      
313-633 0 Detroit Zone 6 MI   8935 COMCAST PHONE OF MICHIGAN, LLC - MI 340   2006-10-22   
313-633 1 Detroit Zone 6 MI   8935 COMCAST PHONE OF MICHIGAN, LLC - MI 340   2006-10-22   
313-633 2 Detroit Zone 6 MI   7421 AT&T LOCAL 340      
313-633 3 Detroit Zone 6 MI   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS LLC 340   2014-03-31   
313-633 4 Detroit Zone 6 MI   5562 METRO PCS, INC. 340   2008-03-07   
313-633 5 Detroit Zone 6 MI   5562 METRO PCS, INC. 340   2006-01-29   
313-633 6 Detroit Zone 6 MI   5562 METRO PCS, INC. 340   2008-03-07   
313-633 7 Detroit Zone 6 MI   279B CLEAR RATE COMMUNICATIONS - CLEC - MI 340   2017-08-15   
313-633 8 Detroit Zone 6 MI   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS LLC 340   2014-03-31   
313-633 9 Detroit Zone 6 MI   8935 COMCAST PHONE OF MICHIGAN, LLC - MI 340   2007-11-10   

Last updated: Sun, 10 Nov 2019 13:49:34 UTC

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