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.

NPA: 520 [Rate centres in NPA 520] [Dial plan for NPA 520]

Block: A

<< 1 2 3 4 5 6 7 8 9 10 11 12 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
520-751 A Tucson AZ TCSNAZRNDS0  9636 QWEST CORPORATION 668      
520-755 A Lone Butte AZ PHNXAZ19AMD  965H FRACTEL LLC 666      
520-758 A Blackwater AZ PHNXAZ19AMD  965H FRACTEL LLC 666      
520-759 A Casa Grande AZ GLBRAZAB1MD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666      
520-760 A Tucson AZ TCSNAZTVDS0  9636 QWEST CORPORATION 668      
520-761 A Nogales AZ NGLSAZMWDS0  9636 QWEST CORPORATION 668      
520-762 A Tucson AZ VAILAZSODS0  9636 QWEST CORPORATION 668      
520-766 A Willcox AZ WLCXAZACDS0  183D VALLEY CONNECTIONS, LLC - AZ 668      
520-770 A Tucson AZ TCSNAZMADS1  9636 QWEST CORPORATION 668      
520-771 A Tucson AZ TCSMAZCH0MD  197D VONAGE NETWORK INC. 668      
520-775 A Tucson AZ TCSNAZMAXIX  587F BANDWIDTH.COM CLEC, LLC - AZ 668      
520-777 A Tucson AZ TCSMAZEEDS2  7552 LEVEL 3 TELECOM OF ARIZONA, LLC - AZ 668      
520-779 A Willcox AZ TCSNAZMAXIX  587F BANDWIDTH.COM CLEC, LLC - AZ 668      
520-780 A Tucson AZ TCSNAZ75CM0  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668      
520-783 A Tucson AZ TCSMAZOI4MD  5562 METRO PCS, INC. 668      
520-784 A Tucson AZ TCSNAZEADS0  9636 QWEST CORPORATION 668      
520-786 A Tucson AZ TCSNAZ64LMD  6906 AMERICAN MESSAGING SERVICES, LLC 668      
520-788 A Casa Grande AZ TEMPAZNR5MD  6529 T-MOBILE USA, INC. 666      
520-789 A Tucson AZ TCSNAZMAX3X  6664 SPRINT SPECTRUM L.P. 668      
520-790 A Tucson AZ TCSNAZCRDS0  9636 QWEST CORPORATION 668      
520-791 A Tucson AZ TCSNAZMADS1  9636 QWEST CORPORATION 668      
520-792 A Tucson AZ TCSNAZMADS1  9636 QWEST CORPORATION 668      
520-793 A Tucson AZ TCSNAZNODS0  9636 QWEST CORPORATION 668      
520-794 A Tucson AZ TCSNAZSODS0  9636 QWEST CORPORATION 668      
520-795 A Tucson AZ TCSNAZEADS0  9636 QWEST CORPORATION 668      
520-796 A Lone Butte AZ LNBTAZXCDS1  2179 GILA RIVER TELECOMM, INC. 666      
520-797 A Tucson AZ TCSNAZNODS0  9636 QWEST CORPORATION 668      
520-798 A Tucson AZ TCSNAZMADS1  9636 QWEST CORPORATION 668      
520-799 A Tucson AZ TCSNAZSODS0  9636 QWEST CORPORATION 668      
520-800 A Tucson AZ TCSNAZMAXHX  630E ONVOY, LLC - AZ 668      
520-803 A Sierra Vista AZ SRVSAZSODS0  9636 QWEST CORPORATION 668      
520-805 A Douglas AZ DGLSAZMARS1  9636 QWEST CORPORATION 668      
520-806 A Tucson AZ TCSNAZSODS0  9636 QWEST CORPORATION 668      
520-807 A Tucson AZ TCSNAZSODS0  9636 QWEST CORPORATION 668      
520-808 A Tucson AZ TCSMAZCH1MD  6010 NEW CINGULAR WIRELESS PCS, LLC 668      
520-809 A Tucson AZ TCSNAZMAX0Y  890G INTRADO COMMUNICATIONS, LLC 668      
520-812 A Tucson AZ TCSNAZMAXGX  722E YMAX COMMUNICATIONS CORP. - AZ 668      
520-815 A Tucson AZ TCSNAZMAXIX  587F BANDWIDTH.COM CLEC, LLC - AZ 668      
520-816 A Tucson AZ TCSNAZ64LMD  6483 NETWORK SERVICES LLC (TSR) 668      
520-818 A Tucson AZ CRNDAZMADS1  9636 QWEST CORPORATION 668      
520-820 A Tucson AZ TCSNAZ75CM0  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668      
520-822 A Tucson AZ TCSNAZSWDS0  9636 QWEST CORPORATION 668      
520-823 A Sasabe AZ SASBAZXCGT0  2171 ARIZONA TELEPHONE CO. 668      
520-824 A Sunizona AZ PERCAZXCDS0  2176 VALLEY TELEPHONE COOPERATIVE, INC. 668      
520-825 A Tucson AZ CRNDAZMADS1  9636 QWEST CORPORATION 668      
520-826 A Pearce AZ PERCAZXCDS0  2176 VALLEY TELEPHONE COOPERATIVE, INC. 668      
520-827 A Superior AZ GLBRAZABCM0  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666      
520-829 A Tucson AZ TCSNAZMAVMD  3285 LEVEL 3 COMMUNICATIONS, LLC - AZ 668      
520-831 A Prescott AZ TEMPAZNR5MD  6529 T-MOBILE USA, INC. 666      
520-833 A Tucson AZ TCSNAZ75CM0  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668      

<< 1 2 3 4 5 6 7 8 9 10 11 12 >>

Last updated: Sun, 04 Apr 2021 19:28:27 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.