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Grand Blanc, MI

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
810-254 A DTRTMIBAUMD  770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340      
810-254 0   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2025-04-28   
810-254 1   624H ONVOY SPECTRUM, LLC 340   2021-06-14   
810-254 2   543C ONVOY, LLCV - MI 340   2021-03-05   
810-254 3   543C ONVOY, LLCV - MI 340   2021-03-05   
810-254 4   543C ONVOY, LLCV - MI 340   2021-03-05   
810-254 5   770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340   2020-09-21   
810-254 6   770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340   2020-09-21   
810-254 7   770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340   2020-09-21   
810-254 8   770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340   2020-09-21   
810-254 9   770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340   2020-09-21   
810-344 A SFLDMIQJDS1  7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340      
810-344 0   6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340   2014-02-02   
810-344 1   3535 ACD TELECOM, INC. - MI 340   2005-07-23   
810-344 2   829J PAETEC ITEL, LLC 340   2005-08-13   
810-344 3   817J INTERACTIVE SERVICES NETWORK, INC. 340   2005-09-04   
810-344 4   6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340   2006-02-11   
810-344 5   3535 ACD TELECOM, INC. - MI 340   2006-09-26   
810-344 6   6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340   2007-08-11   
810-344 7   516C AT&T CORP. 340   2006-06-30   
810-344 8   7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340   2005-03-19   
810-344 9   318J COMCAST IP PHONE, LLC 340   2006-02-09   
810-428 A DTRTMIAPG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340      
810-428 0   543C ONVOY, LLCV - MI 340   2019-03-23   
810-428 1   543C ONVOY, LLCV - MI 340   2019-03-23   
810-428 2   817J INTERACTIVE SERVICES NETWORK, INC. 340   2017-12-11   
810-428 3   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2019-09-08   
810-428 4   991E BANDWIDTH.COM CLEC, LLC - MI 340   2020-09-07   
810-428 5   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2019-05-17   
810-428 6   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2018-05-12   
810-428 7   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2018-05-12   
810-428 8   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2017-07-17   
810-428 9   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2017-07-17   
810-445 A SFLDMIBV3MD  508J CENTURYLINK COMMUNICATIONS, LLC 340      
810-445 0   6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340   2015-04-19   
810-445 1   6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340   2015-04-19   
810-445 2   6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340   2015-04-19   
810-445 3   6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340   2015-04-19   
810-445 4   6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340   2015-04-19   
810-445 5   2550 123.NET, LLC 340   2015-01-23   
810-445 6   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2015-07-29   
810-445 7   508J CENTURYLINK COMMUNICATIONS, LLC 340   2014-10-27   
810-445 8   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2014-10-28   
810-445 9   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2014-10-28   
810-495 A DTRTMIDJCMD  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340      
810-495 0   6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340   2013-03-22   
810-495 1   6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340   2013-03-22   
810-495 2   6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340   2013-03-22   
810-495 3   6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340   2013-03-22   
810-495 4   6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340   2013-03-22   
810-495 5   6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340   2013-03-22   
810-495 6   6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340   2013-03-22   
810-495 7   6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340   2013-03-22   
810-495 8   6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340   2014-02-02   
810-495 9   6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340   2013-03-22   
810-498 A DTRTMIAPG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340      
810-498 0   933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 340   2015-10-18   
810-498 1   543C ONVOY, LLCV - MI 340   2016-03-27   
810-498 2   543C ONVOY, LLCV - MI 340   2016-03-27   
810-498 3   991E BANDWIDTH.COM CLEC, LLC - MI 340   2016-09-10   
810-498 4   318J COMCAST IP PHONE, LLC 340   2016-11-14   
810-498 5   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2016-11-10   
810-498 6   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2016-04-15   
810-498 7   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2016-04-15   
810-498 8   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2015-09-06   
810-498 9   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2015-09-06   
810-579 A FLNTMICD0MD  829J PAETEC ITEL, LLC 340      
810-579 0   829J PAETEC ITEL, LLC 340      
810-579 1   829J PAETEC ITEL, LLC 340      
810-579 2   829J PAETEC ITEL, LLC 340      
810-579 3   829J PAETEC ITEL, LLC 340      
810-579 4   829J PAETEC ITEL, LLC 340      
810-579 5   829J PAETEC ITEL, LLC 340      
810-579 6   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2016-11-10   
810-579 7   829J PAETEC ITEL, LLC 340      
810-579 8   829J PAETEC ITEL, LLC 340      
810-579 9   829J PAETEC ITEL, LLC 340      
810-584 A SFLDMIDNDS6  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
810-584 0   6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
810-584 1   6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
810-584 2   460K FIRST COMMUNICATIONS, LLC 340   2009-05-28   
810-584 4   829J PAETEC ITEL, LLC 340   2007-12-11   
810-584 5   991E BANDWIDTH.COM CLEC, LLC - MI 340   2010-09-11   
810-584 6   829J PAETEC ITEL, LLC 340   2009-10-26   
810-584 7   318J COMCAST IP PHONE, LLC 340   2010-09-14   
810-584 8   543C ONVOY, LLCV - MI 340   2023-07-21   
810-603 A GRBLMIMNDS0  9323 MICHIGAN BELL TEL CO 340      
810-603 0   9323 MICHIGAN BELL TEL CO 340      
810-603 1   9323 MICHIGAN BELL TEL CO 340      
810-603 2   9323 MICHIGAN BELL TEL CO 340      
810-603 3   9323 MICHIGAN BELL TEL CO 340      
810-603 4   9323 MICHIGAN BELL TEL CO 340      
810-603 5   6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340   2014-02-02   
810-603 6   9323 MICHIGAN BELL TEL CO 340      
810-603 7   318J COMCAST IP PHONE, LLC 340   2013-09-08   
810-603 8   9323 MICHIGAN BELL TEL CO 340      
810-603 9   9323 MICHIGAN BELL TEL CO 340      
810-606 A GRBLMIMNDS0  9323 MICHIGAN BELL TEL CO 340      
810-694 A GRBLMIMNDS0  9323 MICHIGAN BELL TEL CO 340      
810-695 A GRBLMIMNDS0  9323 MICHIGAN BELL TEL CO 340      

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Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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