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
313-789 A Detroit Zone 6 MI   516C AT&T CORP. 340      
313-789 0 Detroit Zone 6 MI   991E BANDWIDTH.COM CLEC, LLC - MI 340   2015-03-02   
313-789 1 Detroit Zone 6 MI   543C ONVOY, LLC - MI 340   2015-04-06   
313-789 2 Detroit Zone 6 MI   543C ONVOY, LLC - MI 340   2015-04-06   
313-789 3 Detroit Zone 6 MI   543C ONVOY, LLC - MI 340   2015-04-06   
313-789 4 Detroit Zone 6 MI   991E BANDWIDTH.COM CLEC, LLC - MI 340   2015-07-02   
313-789 5 Detroit Zone 6 MI   516C AT&T CORP. 340   2015-02-08   
313-789 6 Detroit Zone 6 MI   991E BANDWIDTH.COM CLEC, LLC - MI 340   2019-05-10   
313-789 7 Detroit Zone 6 MI   8935 COMCAST PHONE OF MICHIGAN, LLC - MI 340   2015-11-25   
313-789 8 Detroit Zone 6 MI   8935 COMCAST PHONE OF MICHIGAN, LLC - MI 340   2015-07-20   
313-789 9 Detroit Zone 6 MI   543C ONVOY, LLC - MI 340   2019-03-23   

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

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