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Detroit Zone 4, MI

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
313-201 A CMPTMIIFCM0  9748 AMERICAN MESSAGING SERVICES, LLC 340      
313-241 A SFLDMITODS2  543C ONVOY, LLCV - MI 340      
313-241 0 SFLDMIMNXRX  991E BANDWIDTH.COM CLEC, LLC - MI 340   2012-04-10   
313-241 1 LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2012-05-30   
313-241 2 LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2012-05-30   
313-241 3 SFLDMITODS2  543C ONVOY, LLCV - MI 340   2012-04-06   
313-241 4 SFLDMIMNXRX  991E BANDWIDTH.COM CLEC, LLC - MI 340   2012-06-25   
313-241 5 SFLDMIMNXRX  991E BANDWIDTH.COM CLEC, LLC - MI 340   2012-08-12   
313-241 6 SFLDMIMNXRX  991E BANDWIDTH.COM CLEC, LLC - MI 340   2012-10-18   
313-241 7 SFLDMIMNXRX  991E BANDWIDTH.COM CLEC, LLC - MI 340   2012-10-18   
313-241 8 SFLDMIMNXRX  991E BANDWIDTH.COM CLEC, LLC - MI 340   2012-10-18   
313-241 9 SFLDMITODS2  543C ONVOY, LLCV - MI 340   2012-12-29   
313-243 A FLNTMICD0MD  829J PAETEC ITEL, LLC 340      
313-243 0 FLNTMICD0MD  829J PAETEC ITEL, LLC 340      
313-243 1 FLNTMICD0MD  829J PAETEC ITEL, LLC 340      
313-243 2 FLNTMICD0MD  829J PAETEC ITEL, LLC 340   2007-09-13   
313-243 3 FLNTMICD0MD  829J PAETEC ITEL, LLC 340      
313-243 4 LIVNMIUX0MD  5562 METROPCS, INC. 340   2007-02-26   
313-243 5 FLNTMICD0MD  829J PAETEC ITEL, LLC 340      
313-243 6 LIVNMIUX0MD  5562 METROPCS, INC. 340   2008-02-04   
313-243 7 FLNTMICD0MD  829J PAETEC ITEL, LLC 340      
313-243 8 FLNTMICD0MD  829J PAETEC ITEL, LLC 340      
313-243 9 FLNTMICD0MD  829J PAETEC ITEL, LLC 340      
313-270 A DTRTMIVTDS0  9323 MICHIGAN BELL TEL CO 340      
313-270 0 FLNTMICD0MD  829J PAETEC ITEL, LLC 340   2006-04-14   
313-270 1 DTRTMIVTDS0  9323 MICHIGAN BELL TEL CO 340      
313-270 2 DTRTMIVTDS0  9323 MICHIGAN BELL TEL CO 340      
313-270 3 DTRTMIVTDS0  9323 MICHIGAN BELL TEL CO 340      
313-270 4 DTRTMIVTDS0  9323 MICHIGAN BELL TEL CO 340      
313-270 5 FLNTMICD0MD  829J PAETEC ITEL, LLC 340   2008-07-05   
313-270 6 SFLDMIMK3MD  197D VONAGE AMERICA LLC 340   2024-05-26   
313-270 7 DTRTMIBASMD  516C AT&T CORP. 340   2008-11-25   
313-270 8 SFLDMITOJMD  961J WOW! INTERNET, CABLE AND PHONE 340   2007-08-02   
313-270 9 SFLDMIDICA0  2550 123.NET, LLC 340   2008-04-18   
313-272 A DTRTMIVTDS0  9323 MICHIGAN BELL TEL CO 340      
313-273 A DTRTMIVTDS0  9323 MICHIGAN BELL TEL CO 340      
313-279 A SFLDMIDNDS6  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
313-279 0 SFLDMIDNDS6  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
313-279 1 SFLDMIDNDS6  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
313-279 2 FLNTMICD0MD  829J PAETEC ITEL, LLC 340   2005-01-16   
313-279 3 SFLDMITODS2  543C ONVOY, LLCV - MI 340   2022-11-26   
313-279 4 SFLDMITODS2  543C ONVOY, LLCV - MI 340   2022-11-26   
313-279 5 SFLDMIDNDS6  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
313-279 6 SFLDMIDNDS6  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
313-279 7 SFLDMITODS2  543C ONVOY, LLCV - MI 340   2011-01-08   
313-279 8 SFLDMIMNXRX  991E BANDWIDTH.COM CLEC, LLC - MI 340   2010-11-04   
313-279 9 SFLDMITODS2  543C ONVOY, LLCV - MI 340   2022-11-26   
313-288 A FLNTMICD0MD  829J PAETEC ITEL, LLC 340      
313-288 0 SFLDMIMNXRX  991E BANDWIDTH.COM CLEC, LLC - MI 340   2010-03-05   
313-288 1 FLNTMICD0MD  829J PAETEC ITEL, LLC 340   2009-10-15   

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Last updated: Tue, 31 Mar 2026 13:56:49 UTC

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