Local Calling Guide

Area code/prefix search

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NPA: 313 [Rate centres in NPA 313] [Dial plan for NPA 313]

NXX: 307

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
313-307 A Detroit Zone 4 MI SFLDMITODS2  543C ONVOY, LLCV - MI 340      
313-307 0 Detroit Zone 4 MI SFLDMIMKDS2  933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 340   2013-11-19   
313-307 1 Detroit Zone 4 MI LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2013-12-23   
313-307 2 Detroit Zone 4 MI LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2013-12-23   
313-307 3 Detroit Zone 4 MI SFLDMITODS2  543C ONVOY, LLCV - MI 340   2013-11-16   
313-307 4 Detroit Zone 4 MI SFLDMITODS2  543C ONVOY, LLCV - MI 340   2013-11-16   
313-307 5 Detroit Zone 4 MI SFLDMIMNXRX  991E BANDWIDTH.COM CLEC, LLC - MI 340   2014-02-24   
313-307 6 Detroit Zone 4 MI SFLDMIMNXRX  991E BANDWIDTH.COM CLEC, LLC - MI 340   2014-04-14   
313-307 7 Detroit Zone 4 MI WAYNMIMNXUX  318J COMCAST IP PHONE, LLC 340   2014-02-09   
313-307 8 Detroit Zone 4 MI DTRTMIBASMD  516C AT&T CORP. 340   2014-04-28   
313-307 9 Detroit Zone 4 MI SFLDMIMNXRX  991E BANDWIDTH.COM CLEC, LLC - MI 340   2014-07-19   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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