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: 551

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
313-551 A Detroit Zone 6 MI DTRTMIVWDS0  9323 AMERITECH MICHIGAN 340      
313-551 0 Detroit Zone 6 MI DTRTMIVWDS0  9323 AMERITECH MICHIGAN 340      
313-551 1 Detroit Zone 6 MI LIVNMIUX0MD  5562 METRO PCS, INC. 340   2009-03-09   
313-551 2 Detroit Zone 6 MI DTRTMIVWDS0  9323 AMERITECH MICHIGAN 340      
313-551 3 Detroit Zone 6 MI WAYNMIMNXNX  8935 COMCAST PHONE OF MICHIGAN, LLC - MI 340   2006-06-16   
313-551 4 Detroit Zone 6 MI WAYNMIMNXNX  8935 COMCAST PHONE OF MICHIGAN, LLC - MI 340   2006-06-16   
313-551 5 Detroit Zone 6 MI WAYNMIMNXNX  8935 COMCAST PHONE OF MICHIGAN, LLC - MI 340   2006-06-16   
313-551 6 Detroit Zone 6 MI DTRTMIVWDS0  9323 AMERITECH MICHIGAN 340      
313-551 7 Detroit Zone 6 MI DTRTMIVWDS0  9323 AMERITECH MICHIGAN 340      
313-551 8 Detroit Zone 6 MI RYLOMIMNRS1  1200 TALK AMERICA INC. - MI 340   2009-02-25   
313-551 9 Detroit Zone 6 MI LIVNMIUX0MD  5562 METRO PCS, INC. 340   2009-02-23   

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

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