Local Calling Guide

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

NXX: 749

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
313-749 A Detroit Zone 6 MI SFLDMIQJDS1  7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340      
313-749 0 Detroit Zone 6 MI SFLDMIQJDS1  7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340      
313-749 1 Detroit Zone 6 MI SFLDMIQJDS1  7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340      
313-749 2 Detroit Zone 6 MI SFLDMIQJDS1  7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340      
313-749 3 Detroit Zone 6 MI SFLDMIQJDS1  7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340      
313-749 4 Detroit Zone 6 MI SFLDMIQJDS1  7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340      
313-749 5 Detroit Zone 6 MI SFLDMIQJDS1  7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340      
313-749 6 Detroit Zone 6 MI SFLDMIQJDS1  7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340      
313-749 7 Detroit Zone 6 MI WAYNMIMNXUX  318J COMCAST IP PHONE, LLC 340   2013-09-16   
313-749 8 Detroit Zone 6 MI SFLDMIMNXRX  991E BANDWIDTH.COM CLEC, LLC - MI 340   2014-04-14   
313-749 9 Detroit Zone 6 MI SFLDMIDNDS6  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340   2008-07-17   

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

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