Local Calling Guide

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Detroit Zone 6, MI

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
313-841 A DTRTMIVWDS0  9323 MICHIGAN BELL TEL CO 340      
313-842 A DTRTMIVWDS0  9323 MICHIGAN BELL TEL CO 340      
313-843 A DTRTMIVWDS0  9323 MICHIGAN BELL TEL CO 340      
313-845 A DRBRMIFBDS1  9323 MICHIGAN BELL TEL CO 340      
313-846 A DRBRMIORDS0  9323 MICHIGAN BELL TEL CO 340      
313-849 A DTRTMIVWDS0  9323 MICHIGAN BELL TEL CO 340      
313-851 A CMPTMIIFCM0  9748 AMERICAN MESSAGING SERVICES, LLC 340      
313-853 A   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2026-03-21   
313-853 0   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2026-04-10   
313-853 1   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2026-04-10   
313-853 2   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2026-04-10   
313-853 3   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2026-04-10   
313-853 4   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2026-04-10   
313-853 5   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2026-03-21   
313-853 6   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2026-03-21   
313-853 7   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2026-03-21   
313-853 8   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2026-03-21   
313-853 9   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2026-03-21   
313-854 A DTRTMIAPG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340      
313-854 0 DTRTMIAPG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340      
313-854 1 LIVNMIUX0MD  5562 METROPCS, INC. 340   2008-03-16   
313-854 2 LIVNMIUX0MD  5562 METROPCS, INC. 340   2008-03-16   
313-854 3 LIVNMIUX0MD  5562 METROPCS, INC. 340   2008-03-16   
313-854 4 LIVNMIUX0MD  5562 METROPCS, INC. 340   2008-03-07   
313-854 5 LIVNMIUX0MD  5562 METROPCS, INC. 340   2008-03-16   
313-854 6 LIVNMIUX0MD  5562 METROPCS, INC. 340   2008-03-22   
313-854 7 LIVNMIUX0MD  5562 METROPCS, INC. 340   2008-03-22   
313-854 8 LIVNMIUX0MD  5562 METROPCS, INC. 340   2008-03-16   
313-854 9 LIVNMIUX0MD  5562 METROPCS, INC. 340   2008-03-22   
313-857 A   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2025-10-20   
313-857 0   490J BOOST SUBSCRIBERCO L.L.C. 340   2026-01-29   
313-857 1   490J BOOST SUBSCRIBERCO L.L.C. 340   2026-03-29   
313-857 2   321J HD CARRIER LLC 340   2025-11-03   
313-857 3   490J BOOST SUBSCRIBERCO L.L.C. 340   2026-04-28   
313-857 4   490J BOOST SUBSCRIBERCO L.L.C. 340   2026-06-27   
313-857 5   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2025-10-20   
313-857 6   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2025-10-20   
313-857 7   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2025-10-20   
313-857 8   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2025-10-20   
313-857 9   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2025-10-20   
313-858 A LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-858 0 LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2014-09-22   
313-858 1 LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2014-09-22   
313-858 2 LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2014-09-22   
313-858 3 LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2014-09-22   
313-858 4 LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2014-09-22   
313-858 5 LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2014-09-22   
313-858 6 LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2014-09-22   
313-858 7 LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2014-09-22   
313-858 8 LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2014-09-22   

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Last updated: Sat, 02 May 2026 12:20:53 UTC

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