Local Calling Guide

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

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NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
313-724 4 Detroit Zone 6 MI   9323 MICHIGAN BELL TEL CO 340      
313-724 5 Detroit Zone 6 MI   9323 MICHIGAN BELL TEL CO 340      
313-724 6 Detroit Zone 6 MI   516C AT&T CORP. 340   2012-01-25   
313-724 7 Detroit Zone 6 MI   318J COMCAST IP PHONE, LLC 340   2013-06-27   
313-724 8 Detroit Zone 6 MI   9323 MICHIGAN BELL TEL CO 340      
313-724 9 Detroit Zone 6 MI   9323 MICHIGAN BELL TEL CO 340      
313-725 A Detroit Zone 1 MI SFLDMIQJDS1  7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340      
313-725 0 Detroit Zone 1 MI   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2011-07-20   
313-725 1 Detroit Zone 1 MI   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2013-07-13   
313-725 2 Detroit Zone 1 MI   6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340   2018-09-17   
313-725 3 Detroit Zone 1 MI   7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340   2011-01-31   
313-725 4 Detroit Zone 1 MI   991E BANDWIDTH.COM CLEC, LLC - MI 340   2019-05-09   
313-725 5 Detroit Zone 1 MI   7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340   2011-01-31   
313-725 6 Detroit Zone 1 MI   543C ONVOY, LLCV - MI 340   2019-02-15   
313-725 7 Detroit Zone 1 MI   6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340   2018-09-17   
313-725 8 Detroit Zone 1 MI   991E BANDWIDTH.COM CLEC, LLC - MI 340   2019-03-03   
313-725 9 Detroit Zone 1 MI   933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 340   2019-03-08   
313-726 A Detroit Zone 6 MI SFLDMIMKBMD  516J TON80 COMMUNICATIONS, LLC 340      
313-726 0 Detroit Zone 6 MI   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2022-12-09   
313-726 1 Detroit Zone 6 MI   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2022-12-09   
313-726 2 Detroit Zone 6 MI   516J TON80 COMMUNICATIONS, LLC 340   2022-04-30   
313-726 3 Detroit Zone 6 MI   490J DISH WIRELESS, LLC 340   2023-08-22   
313-726 4 Detroit Zone 6 MI   543C ONVOY, LLCV - MI 340   2022-08-03   
313-726 5 Detroit Zone 6 MI   543C ONVOY, LLCV - MI 340   2022-08-03   
313-726 6 Detroit Zone 6 MI   543C ONVOY, LLCV - MI 340   2023-01-20   
313-726 7 Detroit Zone 6 MI   543C ONVOY, LLCV - MI 340   2022-12-08   
313-726 8 Detroit Zone 6 MI   543C ONVOY, LLCV - MI 340   2023-01-20   
313-726 9 Detroit Zone 6 MI   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2022-10-24   
313-727 A Detroit Zone 5 MI DTRTMIAPG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340      
313-728 A Detroit Zone 5 MI LIVNMIUX0MD  5562 METROPCS, INC. 340      
313-728 0 Detroit Zone 5 MI   5562 METROPCS, INC. 340   2007-03-10   
313-728 1 Detroit Zone 5 MI   5562 METROPCS, INC. 340   2007-03-10   
313-728 2 Detroit Zone 5 MI   5562 METROPCS, INC. 340   2007-03-10   
313-728 3 Detroit Zone 5 MI   5562 METROPCS, INC. 340   2007-03-10   
313-728 4 Detroit Zone 5 MI   5562 METROPCS, INC. 340   2007-03-10   
313-728 5 Detroit Zone 5 MI   5562 METROPCS, INC. 340   2007-03-10   
313-728 6 Detroit Zone 5 MI   5562 METROPCS, INC. 340   2007-03-10   
313-728 7 Detroit Zone 5 MI   5562 METROPCS, INC. 340   2008-03-22   
313-728 8 Detroit Zone 5 MI   5562 METROPCS, INC. 340   2008-03-22   
313-728 9 Detroit Zone 5 MI   5562 METROPCS, INC. 340   2007-03-10   
313-729 A Detroit Zone 6 MI LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-730 A Detroit Zone 6 MI DRBRMIDBDS0  9323 MICHIGAN BELL TEL CO 340      
313-730 0 Detroit Zone 6 MI   9323 MICHIGAN BELL TEL CO 340      
313-730 1 Detroit Zone 6 MI   9323 MICHIGAN BELL TEL CO 340      
313-730 2 Detroit Zone 6 MI   9323 MICHIGAN BELL TEL CO 340      
313-730 3 Detroit Zone 6 MI   9323 MICHIGAN BELL TEL CO 340      
313-730 4 Detroit Zone 6 MI   991E BANDWIDTH.COM CLEC, LLC - MI 340   2019-05-10   
313-730 5 Detroit Zone 6 MI   9323 MICHIGAN BELL TEL CO 340      
313-730 6 Detroit Zone 6 MI   9323 MICHIGAN BELL TEL CO 340      
313-730 7 Detroit Zone 6 MI   9323 MICHIGAN BELL TEL CO 340      

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Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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