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Tucson, AZ

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
520-257 0   6010 NEW CINGULAR WIRELESS PCS, LLC 668   2014-10-25   
520-257 1   7465 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - AZ 668   2014-10-21   
520-257 2   3285 LEVEL 3 COMMUNICATIONS, LLC - AZ 668   2014-10-21   
520-257 3   3285 LEVEL 3 COMMUNICATIONS, LLC - AZ 668   2014-10-21   
520-257 4   3285 LEVEL 3 COMMUNICATIONS, LLC - AZ 668   2014-10-21   
520-257 5   6529 T-MOBILE USA, INC. 668   2014-10-18   
520-257 6   6529 T-MOBILE USA, INC. 668   2014-10-18   
520-257 7   6529 T-MOBILE USA, INC. 668   2014-10-18   
520-257 8   6529 T-MOBILE USA, INC. 668   2014-10-18   
520-257 9   6529 T-MOBILE USA, INC. 668   2014-10-18   
520-258 A TCSNAZRNDS0  9636 QWEST CORPORATION 668      
520-258 0   9636 QWEST CORPORATION 668      
520-258 1   6529 T-MOBILE USA, INC. 668   2005-06-24   
520-258 2   6529 T-MOBILE USA, INC. 668   2005-06-24   
520-258 3   6529 T-MOBILE USA, INC. 668   2005-07-29   
520-258 4   9636 QWEST CORPORATION 668      
520-258 5   9636 QWEST CORPORATION 668      
520-258 6   9636 QWEST CORPORATION 668      
520-258 7   9636 QWEST CORPORATION 668      
520-258 8   6529 T-MOBILE USA, INC. 668   2005-10-01   
520-258 9   6529 T-MOBILE USA, INC. 668   2005-10-28   
520-259 A TCSNAZQKDS0  8293 NORTH COUNTY COMMUNICATIONS CORPORATION 668      
520-260 A TCSNAZXGAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668      
520-260 0   6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668      
520-260 1   6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668      
520-260 2   6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668      
520-260 3   6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668      
520-260 4   6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668      
520-260 5   6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668   2003-11-03   
520-260 6   6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668      
520-260 7   6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668   2004-11-11   
520-260 8   6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668   2004-09-24   
520-260 9   6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668   2004-11-11   
520-261 A TCSNAZMAXIX  587F BANDWIDTH.COM CLEC, LLC - AZ 668      
520-261 0   587F BANDWIDTH.COM CLEC, LLC - AZ 668   2009-09-18   
520-261 1   587F BANDWIDTH.COM CLEC, LLC - AZ 668   2009-10-19   
520-261 2   587F BANDWIDTH.COM CLEC, LLC - AZ 668   2009-10-19   
520-261 3   587F BANDWIDTH.COM CLEC, LLC - AZ 668   2009-10-19   
520-261 4   587F BANDWIDTH.COM CLEC, LLC - AZ 668   2009-10-19   
520-261 5   587F BANDWIDTH.COM CLEC, LLC - AZ 668   2009-10-19   
520-261 6   587F BANDWIDTH.COM CLEC, LLC - AZ 668   2009-10-19   
520-261 7   587F BANDWIDTH.COM CLEC, LLC - AZ 668   2009-10-19   
520-261 8   587F BANDWIDTH.COM CLEC, LLC - AZ 668   2009-10-19   
520-261 9   587F BANDWIDTH.COM CLEC, LLC - AZ 668   2009-10-19   
520-262 A TCSNAZXGAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668      
520-262 0   6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668   2010-04-10   
520-262 1   6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668   2010-04-10   
520-262 2   6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668   2010-04-20   
520-262 3   6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668   2010-04-20   
520-262 4   6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668   2010-04-30   
520-262 5   6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668   2010-04-15   
520-262 6   6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668   2010-04-15   
520-262 7   6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668   2010-04-30   
520-262 8   6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668   2010-04-30   
520-262 9   6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668   2010-04-30   
520-268 A TCSNAZXGAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668      
520-268 0   6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668   2013-05-13   
520-268 1   6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668   2013-05-13   
520-268 2   6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668   2013-05-13   
520-268 3   6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668   2014-01-28   
520-268 4   6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668   2014-02-12   
520-268 5   6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668   2014-02-24   
520-268 6   6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668   2014-03-15   
520-268 7   6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668   2014-03-31   
520-268 8   318J COMCAST IP PHONE, LLC 668   2013-05-14   
520-268 9   630E ONVOY, LLC - AZ 668   2013-08-26   
520-269 A TCSNAZXGAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668      
520-269 0   6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668   2007-03-29   
520-269 1   6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668   2007-03-29   
520-269 2   6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668   2007-04-09   
520-269 3   6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668   2007-04-09   
520-269 4   7552 LEVEL 3 TELECOM OF ARIZONA, LLC - AZ 668   2007-04-14   
520-269 5   6529 T-MOBILE USA, INC. 668   2007-05-12   
520-269 6   318J COMCAST IP PHONE, LLC 668   2007-05-22   
520-269 7   318J COMCAST IP PHONE, LLC 668   2007-05-22   
520-269 8   6529 T-MOBILE USA, INC. 668   2008-06-21   
520-269 9   6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668   2007-06-11   
520-270 A TCSMAZOI3MD  6529 T-MOBILE USA, INC. 668      
520-271 A TCSMAZOI3MD  6529 T-MOBILE USA, INC. 668      
520-271 0   6529 T-MOBILE USA, INC. 668   2004-06-10   
520-271 1   6529 T-MOBILE USA, INC. 668      
520-271 2   6529 T-MOBILE USA, INC. 668      
520-271 3   6529 T-MOBILE USA, INC. 668      
520-271 4   6529 T-MOBILE USA, INC. 668      
520-271 5   6529 T-MOBILE USA, INC. 668      
520-271 6   6529 T-MOBILE USA, INC. 668      
520-271 7   6529 T-MOBILE USA, INC. 668      
520-271 8   6529 T-MOBILE USA, INC. 668      
520-271 9   6529 T-MOBILE USA, INC. 668      
520-272 A TCSMAZCH1MD  6010 NEW CINGULAR WIRELESS PCS, LLC 668      
520-273 A TCSMAZCH1MD  6010 NEW CINGULAR WIRELESS PCS, LLC 668      
520-273 0   6010 NEW CINGULAR WIRELESS PCS, LLC 668   2014-10-10   
520-273 1   5562 METROPCS, INC. 668   2014-10-06   
520-273 2   5562 METROPCS, INC. 668   2014-10-06   
520-273 3   5562 METROPCS, INC. 668   2014-10-06   
520-273 4   6010 NEW CINGULAR WIRELESS PCS, LLC 668   2014-10-03   
520-273 5   6010 NEW CINGULAR WIRELESS PCS, LLC 668   2014-10-03   
520-273 6   6010 NEW CINGULAR WIRELESS PCS, LLC 668   2014-10-03   
520-273 7   6010 NEW CINGULAR WIRELESS PCS, LLC 668   2014-10-03   
520-273 8   6010 NEW CINGULAR WIRELESS PCS, LLC 668   2014-10-03   

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

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