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
313-499 A Detroit Zone 2 MI DTRTMILXDS0  9323 AMERITECH MICHIGAN 340   2004-11-06   
313-499 0 Detroit Zone 2 MI   6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340   2010-12-10   
313-499 1 Detroit Zone 2 MI   8935 COMCAST PHONE OF MICHIGAN, LLC - MI 340   2007-04-01   
313-499 2 Detroit Zone 2 MI   9323 AMERITECH MICHIGAN 340      
313-499 3 Detroit Zone 2 MI   279B CLEAR RATE COMMUNICATIONS - CLEC - MI 340   2009-06-04   
313-499 4 Detroit Zone 2 MI   9323 AMERITECH MICHIGAN 340      
313-499 5 Detroit Zone 2 MI   1200 TALK AMERICA INC. - MI 340   2005-07-26   
313-499 6 Detroit Zone 2 MI   1200 TALK AMERICA INC. - MI 340   2005-10-21   
313-499 7 Detroit Zone 2 MI   3535 ACD TELECOM, INC. - MI 340   2005-12-08   
313-499 8 Detroit Zone 2 MI   8935 COMCAST PHONE OF MICHIGAN, LLC - MI 340   2007-04-01   
313-499 9 Detroit Zone 2 MI   6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340   2010-12-10   

Last updated: Sat, 27 Jul 2019 10:59:49 UTC

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