Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

Tucson, AZ

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
520-308 9 TCSNAZXGAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668   2010-02-07   
520-309 A TCSMAZCH1MD  6010 NEW CINGULAR WIRELESS PCS, LLC 668      
520-309 0 TCSMAZOI3MD  6529 T-MOBILE USA, INC. 668   2006-08-06   
520-309 1 TCSMAZOI3MD  6529 T-MOBILE USA, INC. 668   2006-01-16   
520-309 2 TCSNAZMADS1  9636 QWEST CORPORATION 668   2005-12-13   
520-309 3 TCSNAZMADS1  9636 QWEST CORPORATION 668   2005-12-13   
520-309 4 TCSNAZMADS1  9636 QWEST CORPORATION 668   2005-12-13   
520-309 5 TCSMAZCH1MD  6010 NEW CINGULAR WIRELESS PCS, LLC 668   2006-03-27   
520-309 6 TCSMAZOI3MD  6529 T-MOBILE USA, INC. 668   2013-10-03   
520-309 7 TCSMAZOI3MD  5562 METROPCS, INC. 668   2006-01-23   
520-309 8 TCSMAZOI3MD  6529 T-MOBILE USA, INC. 668   2006-02-09   
520-309 9 TCSMAZOI3MD  5562 METROPCS, INC. 668   2006-02-06   
520-310 A TCSNAZXGAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668      
520-310 0 TCSNAZXGAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668   2009-11-07   
520-310 1 TCSNAZXGAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668   2009-11-07   
520-310 2 TCSNAZXGAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668   2009-11-15   
520-310 3 TCSNAZXGAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668   2009-11-15   
520-310 4 TCSNAZXGAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668   2009-11-24   
520-310 5 TCSNAZXGAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668   2009-12-15   
520-310 6 TCSNAZXGAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668   2009-12-20   
520-310 7 TCSNAZXGAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668   2009-12-20   
520-310 8 TCSNAZXGAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668   2009-11-24   
520-310 9 TCSNAZXGAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668   2009-12-07   
520-312 A TCSMAZCH1MD  6010 NEW CINGULAR WIRELESS PCS, LLC 668      
520-314 A TCSNAZMAVMD  3285 LEVEL 3 COMMUNICATIONS, LLC - AZ 668      
520-314 0 TCSNAZMAXIX  587F BANDWIDTH.COM CLEC, LLC - AZ 668   2011-04-28   
520-314 1 TCSNAZMAXIX  587F BANDWIDTH.COM CLEC, LLC - AZ 668   2011-04-28   
520-314 2 TCSNAZMAXIX  587F BANDWIDTH.COM CLEC, LLC - AZ 668   2011-04-28   
520-314 3 TCSNAZMAVMD  3285 LEVEL 3 COMMUNICATIONS, LLC - AZ 668   2011-11-15   
520-314 4 TCSNAZMAVMD  3285 LEVEL 3 COMMUNICATIONS, LLC - AZ 668   2011-04-02   
520-314 5 TCSNAZMAXIX  587F BANDWIDTH.COM CLEC, LLC - AZ 668   2011-04-28   
520-314 6 TCSNAZMAXIX  587F BANDWIDTH.COM CLEC, LLC - AZ 668   2011-04-28   
520-314 7 TCSNAZMAXIX  587F BANDWIDTH.COM CLEC, LLC - AZ 668   2011-04-28   
520-314 8 TCSNAZMAXIX  587F BANDWIDTH.COM CLEC, LLC - AZ 668   2011-04-28   
520-314 9 TCSNAZMAXIX  587F BANDWIDTH.COM CLEC, LLC - AZ 668   2011-04-28   
520-318 A TCSNAZEADS0  9636 QWEST CORPORATION 668      
520-319 A TCSNAZEADS0  9636 QWEST CORPORATION 668      
520-320 A TCSNAZEADS0  9636 QWEST CORPORATION 668      
520-321 A TCSNAZEADS0  9636 QWEST CORPORATION 668      
520-322 A TCSNAZEADS0  9636 QWEST CORPORATION 668      
520-323 A TCSNAZEADS0  9636 QWEST CORPORATION 668      
520-324 A TCSNAZEADS0  9636 QWEST CORPORATION 668      
520-325 A TCSNAZEADS0  9636 QWEST CORPORATION 668   2024-01-27   
520-326 A TCSNAZEADS0  9636 QWEST CORPORATION 668      
520-327 A TCSNAZEADS0  9636 QWEST CORPORATION 668      
520-328 A TCSNAZMADS1  9636 QWEST CORPORATION 668      
520-328 0 TCSNAZMADS1  9636 QWEST CORPORATION 668   2014-06-13   
520-328 1 TCSNAZMADS1  9636 QWEST CORPORATION 668   2014-06-13   
520-328 2 TCSNAZMADS1  9636 QWEST CORPORATION 668   2014-06-13   
520-328 3 TCSNAZMADS1  9636 QWEST CORPORATION 668   2014-06-13   
520-328 4 TCSMAZOI3MD  6529 T-MOBILE USA, INC. 668   2014-07-21   
520-328 5 TCSMAZOI3MD  6529 T-MOBILE USA, INC. 668   2014-07-21   
520-328 6 TCSMAZOI3MD  6529 T-MOBILE USA, INC. 668   2014-07-21   
520-328 7 TCSMAZOI3MD  6529 T-MOBILE USA, INC. 668   2014-08-27   
520-328 8 TCSNAZMAXCY  318J COMCAST IP PHONE, LLC 668   2014-07-23   
520-328 9 TCSMAZOI3MD  6529 T-MOBILE USA, INC. 668   2014-08-27   
520-329 A TCSNAZMAXKX  7217 TELEPORT COMMUNICATIONS AMERICA, LLC - AZ 668      
520-329 0 TCSNAZMAXIX  587F BANDWIDTH.COM CLEC, LLC - AZ 668   2010-11-15   
520-329 1 TCSNAZMAXIX  587F BANDWIDTH.COM CLEC, LLC - AZ 668   2010-11-15   
520-329 2 TCSNAZMAXIX  587F BANDWIDTH.COM CLEC, LLC - AZ 668   2010-11-15   
520-329 3 TCSNAZMAXIX  587F BANDWIDTH.COM CLEC, LLC - AZ 668   2010-11-15   
520-329 4 TCSNAZMAXIX  587F BANDWIDTH.COM CLEC, LLC - AZ 668   2010-11-15   
520-329 5 TCSNAZMAXIX  587F BANDWIDTH.COM CLEC, LLC - AZ 668   2010-11-15   
520-329 6 TCSNAZMAXKX  7217 TELEPORT COMMUNICATIONS AMERICA, LLC - AZ 668   2010-08-19   
520-329 7 TCSNAZMAXIX  587F BANDWIDTH.COM CLEC, LLC - AZ 668   2010-11-15   
520-329 8 TCSNAZMAXCY  318J COMCAST IP PHONE, LLC 668   2011-01-10   
520-329 9 TCSMAZCH1MD  6010 NEW CINGULAR WIRELESS PCS, LLC 668   2011-09-15   
520-330 A TCSNAZXGAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668      
520-330 0 TCSNAZXGAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668   2016-10-03   
520-330 1 TCSNAZXGAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668   2016-11-01   
520-330 2 TCSNAZXGAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668   2016-11-15   
520-330 3 TCSNAZXGDS0  7465 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - AZ 668   2016-09-09   
520-330 4 TCSMAZOI3MD  6529 T-MOBILE USA, INC. 668   2016-09-06   
520-330 5 TCSNAZMAXIX  587F BANDWIDTH.COM CLEC, LLC - AZ 668   2018-05-31   
520-330 6 TCSNAZXGAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668   2016-09-15   
520-330 7 TCSNAZXGAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668   2016-09-15   
520-330 8 TCSNAZXGAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668   2016-09-20   
520-330 9 TCSNAZXGAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668   2016-09-05   
520-331 A TCSMAZOI3MD  6529 T-MOBILE USA, INC. 668      
520-332 A TCSMAZOI3MD  6529 T-MOBILE USA, INC. 668      
520-332 0 TCSMAZOI3MD  6529 T-MOBILE USA, INC. 668   2012-10-04   
520-332 1   829J PAETEC ITEL, LLC 668   2012-10-04   
520-332 2 TCSNAZMAXCY  318J COMCAST IP PHONE, LLC 668   2012-07-18   
520-332 3 TCSMAZOI3MD  6529 T-MOBILE USA, INC. 668   2012-10-04   
520-332 4 TCSMAZCH1MD  6010 NEW CINGULAR WIRELESS PCS, LLC 668   2012-07-17   
520-332 5 TCSMAZCH1MD  6010 NEW CINGULAR WIRELESS PCS, LLC 668   2012-07-17   
520-332 6 TCSNAZMAVMD  3285 LEVEL 3 COMMUNICATIONS, LLC - AZ 668   2013-04-15   
520-332 7 TCSMAZOI3MD  5562 METROPCS, INC. 668   2012-07-16   
520-332 8 TCSMAZOI3MD  5562 METROPCS, INC. 668   2012-07-16   
520-332 9 TCSMAZOI3MD  6529 T-MOBILE USA, INC. 668   2012-07-16   
520-333 A TCSNAZMAXEY  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 668      
520-333 0 TCSMAZCH1MD  6010 NEW CINGULAR WIRELESS PCS, LLC 668   2012-02-11   
520-333 1 TCSNAZMAXEY  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 668   2011-02-14   
520-333 2 TCSNAZMAXEY  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 668   2011-02-14   
520-333 3 TCSNAZMAXEY  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 668   2011-02-14   
520-333 4 TCSNAZMAVMD  3285 LEVEL 3 COMMUNICATIONS, LLC - AZ 668   2011-11-30   
520-333 5 TCSNAZMAXIX  587F BANDWIDTH.COM CLEC, LLC - AZ 668   2011-11-30   
520-333 6 TCSNAZMAXIX  587F BANDWIDTH.COM CLEC, LLC - AZ 668   2011-11-30   
520-333 7 TCSNAZMAXIX  587F BANDWIDTH.COM CLEC, LLC - AZ 668   2012-03-16   
520-333 8 TCSMAZCH1MD  6010 NEW CINGULAR WIRELESS PCS, LLC 668   2012-02-11   

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 >>

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.