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]

<< 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 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
520-503 6 Willcox AZ TCSMAZCH9MD  939H COMMIO, LLC 668      
520-503 7 Willcox AZ   6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668      
520-503 8 Willcox AZ TCSNAZXGAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668      
520-503 9 Willcox AZ TCSMAZCHDS0  579F PEERLESS NETWORK OF ARIZONA, LLC - AZ 668      
520-504 A Sierra Vista AZ TCSMAZOI3MD  6529 T-MOBILE USA, INC. 668      
520-504 0 Sierra Vista AZ TCSNAZMAXHX  630E ONVOY, LLC - AZ 668      
520-504 1 Sierra Vista AZ TCSNAZMAXHX  630E ONVOY, LLC - AZ 668      
520-504 2 Sierra Vista AZ TCSNAZMAX3Y  624H ONVOY SPECTRUM, LLC 668      
520-504 3 Sierra Vista AZ TCSNAZMAXHX  630E ONVOY, LLC - AZ 668      
520-504 4 Sierra Vista AZ TCSNAZMAXHX  630E ONVOY, LLC - AZ 668      
520-504 5 Sierra Vista AZ TCSNAZMAXHX  630E ONVOY, LLC - AZ 668      
520-504 6 Sierra Vista AZ TCSNAZMAXHX  630E ONVOY, LLC - AZ 668      
520-504 7 Sierra Vista AZ TCSMAZCH1MD  6010 NEW CINGULAR WIRELESS PCS, LLC 668      
520-504 8 Sierra Vista AZ TCSMAZOI3MD  6529 T-MOBILE USA, INC. 668      
520-504 9 Sierra Vista AZ TCSMAZOI3MD  6529 T-MOBILE USA, INC. 668      
520-505 A Tucson AZ TCSNAZ64NMD  7175 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 668      
520-505 0 Tucson AZ TCSMAZCH1MD  6010 NEW CINGULAR WIRELESS PCS, LLC 668      
520-505 1 Tucson AZ TCSNAZMAXIX  587F BANDWIDTH.COM CLEC, LLC - AZ 668      
520-505 2 Tucson AZ TCSNAZMAVMD  3285 LEVEL 3 COMMUNICATIONS, LLC - AZ 668      
520-505 3 Tucson AZ TCSNAZ64NMD  7175 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 668      
520-505 4 Tucson AZ TCSNAZMAXCY  318J COMCAST IP PHONE, LLC 668      
520-505 5 Tucson AZ TCSNAZMAVMD  3285 LEVEL 3 COMMUNICATIONS, LLC - AZ 668      
520-505 6 Tucson AZ TCSNAZMAXGX  722E YMAX COMMUNICATIONS CORP. - AZ 668      
520-505 7 Tucson AZ TCSNAZMAXGX  722E YMAX COMMUNICATIONS CORP. - AZ 668      
520-505 8 Tucson AZ TCSNAZMAXGX  722E YMAX COMMUNICATIONS CORP. - AZ 668      
520-505 9 Tucson AZ TCSNAZMAXGX  722E YMAX COMMUNICATIONS CORP. - AZ 668      
520-506 A Tombstone AZ TCSNAZMAXHX  630E ONVOY, LLC - AZ 668      
520-506 0 Tombstone AZ TCSMAZCH9MD  939H COMMIO, LLC 668      
520-506 1 Tombstone AZ TCSNAZMAXHX  630E ONVOY, LLC - AZ 668      
520-506 2 Tombstone AZ TCSNAZMAXHX  630E ONVOY, LLC - AZ 668      
520-506 3 Tombstone AZ TCSNAZMAXHX  630E ONVOY, LLC - AZ 668      
520-506 4 Tombstone AZ TCSNAZMAXHX  630E ONVOY, LLC - AZ 668      
520-506 5 Tombstone AZ TCSNAZMAXHX  630E ONVOY, LLC - AZ 668      
520-506 6 Tombstone AZ TCSNAZXGAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668      
520-506 7 Tombstone AZ TCSNAZMAX6Y  073H TELNYX LLC 668      
520-506 8 Tombstone AZ TCSMAZCH9MD  939H COMMIO, LLC 668      
520-506 9 Tombstone AZ TCSMAZCH9MD  939H COMMIO, LLC 668      
520-507 A Willcox AZ TCSNAZXGAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668      
520-508 A Sierra Vista AZ TCSNAZXGAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668      
520-509 A Casa Grande AZ PHNDAZ91DS5  3285 LEVEL 3 COMMUNICATIONS, LLC - AZ 666      
520-509 0 Casa Grande AZ PHNDAZ91DS5  3285 LEVEL 3 COMMUNICATIONS, LLC - AZ 666      
520-509 1 Casa Grande AZ PHNXAZMAX1Z  318J COMCAST IP PHONE, LLC 666      
520-509 2 Casa Grande AZ PHNDAZ91DS5  3285 LEVEL 3 COMMUNICATIONS, LLC - AZ 666      
520-509 3 Casa Grande AZ PHNDAZ91DS5  3285 LEVEL 3 COMMUNICATIONS, LLC - AZ 666      
520-509 4 Casa Grande AZ PHNDAZ91DS5  3285 LEVEL 3 COMMUNICATIONS, LLC - AZ 666      
520-509 5 Casa Grande AZ TEMPAZNR5MD  6529 T-MOBILE USA, INC. 666      
520-509 6 Casa Grande AZ PHNXAZMAX1Z  318J COMCAST IP PHONE, LLC 666      
520-509 7 Casa Grande AZ PHNAAZ55DS2  722E YMAX COMMUNICATIONS CORP. - AZ 666      
520-509 9 Casa Grande AZ PHNAAZ55DS2  722E YMAX COMMUNICATIONS CORP. - AZ 666      
520-510 A Casa Grande AZ PHNXAZMACM6  6010 NEW CINGULAR WIRELESS PCS, LLC 666      
520-510 0 Casa Grande AZ PHNXAZ19DS3  579F PEERLESS NETWORK OF ARIZONA, LLC - AZ 666      
520-510 1 Casa Grande AZ PHNXAZMACM6  6010 NEW CINGULAR WIRELESS PCS, LLC 666      
520-510 2 Casa Grande AZ PHNXAZMACM6  6010 NEW CINGULAR WIRELESS PCS, LLC 666      
520-510 3 Casa Grande AZ PHNXAZMACM6  6010 NEW CINGULAR WIRELESS PCS, LLC 666      
520-510 4 Casa Grande AZ TEMPAZNR7MD  5562 METROPCS, INC. 666      
520-510 5 Casa Grande AZ PHNZAZZJAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666      
520-510 6 Casa Grande AZ PHNXAZMACM6  6010 NEW CINGULAR WIRELESS PCS, LLC 666      
520-510 7 Casa Grande AZ PHNXAZMACM6  6010 NEW CINGULAR WIRELESS PCS, LLC 666      
520-510 8 Casa Grande AZ PHNXAZMACM6  6010 NEW CINGULAR WIRELESS PCS, LLC 666      
520-510 9 Casa Grande AZ PHNXAZMACM6  6010 NEW CINGULAR WIRELESS PCS, LLC 666      
520-512 A Tucson AZ TCSNAZCRDS0  9636 QWEST CORPORATION 668      
520-513 A Tucson AZ TCSNAZCRDS0  9636 QWEST CORPORATION 668      
520-514 A Tucson AZ TCSNAZCRDS0  9636 QWEST CORPORATION 668      
520-515 A Sierra Vista AZ SRVSAZMADS0  9636 QWEST CORPORATION 668      
520-516 A Tucson AZ TCSNAZNODS0  9636 QWEST CORPORATION 668      
520-517 A Sacaton AZ PHNZAZZJAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666      
520-517 0 Sacaton AZ PHNZAZZJAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666      
520-517 1 Sacaton AZ PHNZAZZJAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666      
520-517 2 Sacaton AZ PHNZAZZJAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666      
520-517 3 Sacaton AZ PHNZAZZJAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666      
520-517 4 Sacaton AZ PHNZAZZJAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666      
520-517 5 Sacaton AZ PHNZAZZJAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666      
520-517 6 Sacaton AZ   6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666      
520-517 8 Sacaton AZ   6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666      
520-518 A Casa Grande AZ PHNXAZMACM6  6010 NEW CINGULAR WIRELESS PCS, LLC 666      
520-518 0 Casa Grande AZ PHNXAZMACM6  6010 NEW CINGULAR WIRELESS PCS, LLC 666      
520-518 1 Casa Grande AZ PHNXAZMACM6  6010 NEW CINGULAR WIRELESS PCS, LLC 666      
520-518 2 Casa Grande AZ PHNXAZMACM6  6010 NEW CINGULAR WIRELESS PCS, LLC 666      
520-518 3 Casa Grande AZ PHNXAZ19DS3  579F PEERLESS NETWORK OF ARIZONA, LLC - AZ 666      
520-518 4 Casa Grande AZ PHNXAZ19DS3  579F PEERLESS NETWORK OF ARIZONA, LLC - AZ 666      
520-518 5 Casa Grande AZ PHNXAZMAX1Z  318J COMCAST IP PHONE, LLC 666      
520-518 6 Casa Grande AZ PHNXAZ19DS3  579F PEERLESS NETWORK OF ARIZONA, LLC - AZ 666      
520-518 7 Casa Grande AZ PHNXAZ19DS3  579F PEERLESS NETWORK OF ARIZONA, LLC - AZ 666      
520-518 8 Casa Grande AZ PHNXAZ19DS3  579F PEERLESS NETWORK OF ARIZONA, LLC - AZ 666      
520-518 9 Casa Grande AZ PHNXAZ19DS3  579F PEERLESS NETWORK OF ARIZONA, LLC - AZ 666      
520-519 A Tucson AZ TCSNAZCRDS0  9636 QWEST CORPORATION 668      
520-519 0 Tucson AZ TCSNAZCRDS0  9636 QWEST CORPORATION 668      
520-519 1 Tucson AZ TCSNAZCRDS0  9636 QWEST CORPORATION 668      
520-519 2 Tucson AZ TCSNAZCRDS0  9636 QWEST CORPORATION 668      
520-519 3 Tucson AZ TCSNAZCRDS0  9636 QWEST CORPORATION 668      
520-519 4 Tucson AZ TCSNAZCRDS0  9636 QWEST CORPORATION 668      
520-519 5 Tucson AZ TCSNAZCRDS0  9636 QWEST CORPORATION 668      
520-519 6 Tucson AZ TCSNAZCRDS0  9636 QWEST CORPORATION 668      
520-519 7 Tucson AZ TCSNAZCRDS0  9636 QWEST CORPORATION 668      
520-519 8 Tucson AZ TCSNAZCRDS0  9636 QWEST CORPORATION 668      
520-519 9 Tucson AZ TCSMAZOI3MD  6529 T-MOBILE USA, INC. 668      
520-520 A Nogales AZ TCSNAZMAXHX  630E ONVOY, LLC - AZ 668      
520-520 0 Nogales AZ TCSNAZMAXHX  630E ONVOY, LLC - AZ 668      
520-520 1 Nogales AZ TCSNAZMAXHX  630E ONVOY, LLC - AZ 668      
520-520 2 Nogales AZ TCSNAZMAXHX  630E ONVOY, LLC - AZ 668      

<< 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 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 >>

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.