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
313-733 A Detroit Zone 3 MI SFLDMIQJDS1  7279 MCI WORLDCOM COMMUNICATIONS, INC. - MI 340      
313-733 0 Detroit Zone 3 MI   2550 123 NET, INC. 340   2008-03-13   
313-733 1 Detroit Zone 3 MI   7279 MCI WORLDCOM COMMUNICATIONS, INC. - MI 340      
313-733 2 Detroit Zone 3 MI   4125 XO COMMUNICATIONS SERVICES, INC. - MI 340   2006-07-06   
313-733 3 Detroit Zone 3 MI   7279 MCI WORLDCOM COMMUNICATIONS, INC. - MI 340      
313-733 4 Detroit Zone 3 MI   8935 COMCAST PHONE OF MICHIGAN, LLC - MI 340   2007-07-24   
313-733 5 Detroit Zone 3 MI   0975 LONG DISTANCE OF MICHIGAN, INC. DBA LDMI - MI 340   2007-09-26   
313-733 6 Detroit Zone 3 MI   8935 COMCAST PHONE OF MICHIGAN, LLC - MI 340   2007-07-24   
313-733 7 Detroit Zone 3 MI   5562 METRO PCS, INC. 340   2006-07-22   
313-733 8 Detroit Zone 3 MI   8935 COMCAST PHONE OF MICHIGAN, LLC - MI 340   2007-08-10   

Last updated: Sat, 11 Jul 2020 20:37:26 UTC

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