Local Calling Guide

Area code/prefix search

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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
313-486 A Detroit Zone 5 MI SFLDMIDNDS6  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
313-486 0 Detroit Zone 5 MI SFLDMIDNDS6  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340   2005-03-12   
313-486 1 Detroit Zone 5 MI SFLDMIDNDS6  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340   2006-01-05   
313-486 2 Detroit Zone 5 MI SFLDMIDNDS6  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340   2005-02-24   
313-486 3 Detroit Zone 5 MI SFLDMIDNDS6  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340   2006-01-05   
313-486 4 Detroit Zone 5 MI SFLDMIDNDS6  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
313-486 5 Detroit Zone 5 MI SFLDMIDNDS6  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340   2004-11-06   
313-486 6 Detroit Zone 5 MI SFLDMIQJDS1  7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340   2005-05-06   
313-486 7 Detroit Zone 5 MI SFLDMIQJDS1  7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340   2005-05-06   
313-486 8 Detroit Zone 5 MI SFLDMIQJDS1  7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340   2005-05-06   
313-486 9 Detroit Zone 5 MI SFLDMIDNDS6  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340   2006-01-05   
313-487 A Detroit Zone 1 MI FLNTMICD0MD  829J PAETEC ITEL, LLC 340      
313-487 0 Detroit Zone 1 MI FLNTMICD0MD  829J PAETEC ITEL, LLC 340   2022-06-10   
313-487 1 Detroit Zone 1 MI DTRTMIVWDMD  624H ONVOY SPECTRUM, LLC 340   2024-05-31   
313-487 2 Detroit Zone 1 MI LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2022-08-26   
313-487 3 Detroit Zone 1 MI LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2022-08-26   
313-487 4 Detroit Zone 1 MI LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2022-04-16   
313-487 5 Detroit Zone 1 MI LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2022-04-16   
313-487 6 Detroit Zone 1 MI LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2022-04-16   
313-487 7 Detroit Zone 1 MI SFLDMITODS2  543C ONVOY, LLCV - MI 340   2022-03-10   
313-487 8 Detroit Zone 1 MI SFLDMITODS2  543C ONVOY, LLCV - MI 340   2022-03-10   
313-487 9 Detroit Zone 1 MI SFLDMIMKDS2  933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 340   2022-04-04   
313-488 A Detroit Zone 1 MI SFLDMIMK5MD  939H COMMIO, LLC 340      
313-488 0 Detroit Zone 1 MI SFLDMITODS2  543C ONVOY, LLCV - MI 340   2019-06-26   
313-488 1 Detroit Zone 1 MI SFLDMITODS2  543C ONVOY, LLCV - MI 340   2019-06-26   
313-488 2 Detroit Zone 1 MI SFLDMITODS2  543C ONVOY, LLCV - MI 340   2019-06-26   
313-488 3 Detroit Zone 1 MI SFLDMITODS2  543C ONVOY, LLCV - MI 340   2019-06-26   
313-488 4 Detroit Zone 1 MI SFLDMITODS2  543C ONVOY, LLCV - MI 340   2019-06-26   
313-488 5 Detroit Zone 1 MI SFLDMITODS2  543C ONVOY, LLCV - MI 340   2019-06-26   
313-488 6 Detroit Zone 1 MI BRHMMIBDBMD  770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340   2019-09-30   
313-488 7 Detroit Zone 1 MI LIVNMIUX0MD  5562 METROPCS, INC. 340   2020-06-16   
313-488 8 Detroit Zone 1 MI SFLDMIMK5MD  939H COMMIO, LLC 340   2019-06-23   
313-488 9 Detroit Zone 1 MI LIVNMIUX0MD  5562 METROPCS, INC. 340   2020-06-16   
313-489 A Detroit Zone 5 MI DTRTMIBLX4Y  991E BANDWIDTH.COM CLEC, LLC - MI 340      
313-489 0 Detroit Zone 5 MI DTRTMIBLX4Y  991E BANDWIDTH.COM CLEC, LLC - MI 340   2021-03-13   
313-489 1 Detroit Zone 5 MI DTRTMIBLX4Y  991E BANDWIDTH.COM CLEC, LLC - MI 340   2021-03-13   
313-489 2 Detroit Zone 5 MI DTRTMIBLX4Y  991E BANDWIDTH.COM CLEC, LLC - MI 340   2021-03-13   
313-489 3 Detroit Zone 5 MI DTRTMIDJCMD  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340   2021-03-16   
313-489 4 Detroit Zone 5 MI DTRTMIVWDMD  624H ONVOY SPECTRUM, LLC 340   2021-12-01   
313-489 5 Detroit Zone 5 MI DTRTMIVWDMD  624H ONVOY SPECTRUM, LLC 340   2021-11-15   
313-489 6 Detroit Zone 5 MI DTRTMIVWDMD  624H ONVOY SPECTRUM, LLC 340   2021-12-01   
313-489 7 Detroit Zone 5 MI DTRTMIVWDMD  624H ONVOY SPECTRUM, LLC 340   2021-12-01   
313-489 8 Detroit Zone 5 MI DTRTMIVWDMD  624H ONVOY SPECTRUM, LLC 340   2021-12-01   
313-489 9 Detroit Zone 5 MI SFLDMIMKDS2  933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 340   2021-12-25   
313-490 A Detroit Zone 6 MI DTRTMIBAUMD  770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340      
313-490 0 Detroit Zone 6 MI DTRTMIAPG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2022-12-09   
313-490 1 Detroit Zone 6 MI SFLDMITODS2  543C ONVOY, LLCV - MI 340   2022-08-03   
313-490 2 Detroit Zone 6 MI SFLDMITODS2  543C ONVOY, LLCV - MI 340   2022-08-03   
313-490 3 Detroit Zone 6 MI SFLDMITODS2  543C ONVOY, LLCV - MI 340   2022-08-03   
313-490 4 Detroit Zone 6 MI DTRTMIVWDMD  624H ONVOY SPECTRUM, LLC 340   2022-06-11   

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Last updated: Thu, 16 Jul 2026 02:21:55 UTC

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