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.

Phoenix, 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 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
623-243 1   3285 LEVEL 3 COMMUNICATIONS, LLC - AZ 666   2007-05-03   
623-243 2   6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666   2007-04-09   
623-243 3   6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666   2007-04-09   
623-243 4   3285 LEVEL 3 COMMUNICATIONS, LLC - AZ 666   2007-05-03   
623-243 5   318J COMCAST IP PHONE, LLC 666   2007-04-23   
623-243 6   318J COMCAST IP PHONE, LLC 666   2007-04-23   
623-243 7   318J COMCAST IP PHONE, LLC 666   2007-04-23   
623-243 8   630E ONVOY, LLC - AZ 666   2010-04-19   
623-243 9   318J COMCAST IP PHONE, LLC 666   2007-04-23   
623-244 A PHNXAZ28DS3  630E ONVOY, LLC - AZ 666      
623-244 0   587F BANDWIDTH.COM CLEC, LLC - AZ 666   2018-11-15   
623-244 1   587F BANDWIDTH.COM CLEC, LLC - AZ 666   2018-11-15   
623-244 2   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 666   2018-10-11   
623-244 3   508J CENTURYLINK COMMUNICATIONS, LLC 666   2018-10-11   
623-244 4   630E ONVOY, LLC - AZ 666   2018-10-08   
623-244 5   630E ONVOY, LLC - AZ 666   2018-10-08   
623-244 6   630E ONVOY, LLC - AZ 666   2018-10-08   
623-244 7   630E ONVOY, LLC - AZ 666   2018-10-08   
623-244 8   630E ONVOY, LLC - AZ 666   2018-10-08   
623-244 9   630E ONVOY, LLC - AZ 666   2018-10-08   
623-245 A PHNXAZMYDS0  9636 QWEST CORPORATION 666      
623-246 A TEMPAZNR5MD  5562 METROPCS, INC. 666      
623-246 0   5562 METROPCS, INC. 666   2019-03-07   
623-246 1   587F BANDWIDTH.COM CLEC, LLC - AZ 666   2019-03-08   
623-246 2   587F BANDWIDTH.COM CLEC, LLC - AZ 666   2019-03-08   
623-246 3   508J CENTURYLINK COMMUNICATIONS, LLC 666   2019-12-19   
623-246 4   630E ONVOY, LLC - AZ 666   2019-03-28   
623-246 5   3285 LEVEL 3 COMMUNICATIONS, LLC - AZ 666   2019-03-08   
623-246 6   7217 TELEPORT COMMUNICATIONS AMERICA, LLC - AZ 666   2019-03-08   
623-246 7   630E ONVOY, LLC - AZ 666   2019-03-28   
623-246 8   630E ONVOY, LLC - AZ 666   2019-03-28   
623-246 9   5562 METROPCS, INC. 666   2019-03-07   
623-247 A PHNXAZMYDS0  9636 QWEST CORPORATION 666      
623-248 A TLSNAZMADS0  9636 QWEST CORPORATION 666      
623-248 0   318J COMCAST IP PHONE, LLC 666   2019-04-12   
623-248 1   318J COMCAST IP PHONE, LLC 666   2019-04-12   
623-248 2   9636 QWEST CORPORATION 666   2019-03-16   
623-248 3   318J COMCAST IP PHONE, LLC 666   2019-04-12   
623-248 4   318J COMCAST IP PHONE, LLC 666   2019-04-12   
623-248 5   318J COMCAST IP PHONE, LLC 666   2019-04-12   
623-248 6   318J COMCAST IP PHONE, LLC 666   2019-04-12   
623-248 7   318J COMCAST IP PHONE, LLC 666   2019-04-12   
623-248 8   318J COMCAST IP PHONE, LLC 666   2019-04-12   
623-248 9   318J COMCAST IP PHONE, LLC 666   2019-04-12   
623-249 A PHNZAZZJAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666      
623-249 0   6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666   2007-07-16   
623-249 1   6529 T-MOBILE USA, INC. 666   2007-07-17   
623-249 2   318J COMCAST IP PHONE, LLC 666   2007-07-18   
623-249 3   318J COMCAST IP PHONE, LLC 666   2007-07-18   
623-249 4   318J COMCAST IP PHONE, LLC 666   2007-07-18   
623-249 5   318J COMCAST IP PHONE, LLC 666   2007-07-18   
623-249 6   318J COMCAST IP PHONE, LLC 666   2007-07-18   
623-249 7   318J COMCAST IP PHONE, LLC 666   2007-07-18   
623-249 8   6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666   2007-07-17   
623-249 9   6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666   2007-07-17   
623-250 A PHNXAZMAXQX  587F BANDWIDTH.COM CLEC, LLC - AZ 666      
623-250 0   587F BANDWIDTH.COM CLEC, LLC - AZ 666   2020-04-12   
623-250 1   587F BANDWIDTH.COM CLEC, LLC - AZ 666   2020-04-12   
623-250 2   587F BANDWIDTH.COM CLEC, LLC - AZ 666   2020-04-12   
623-250 3   587F BANDWIDTH.COM CLEC, LLC - AZ 666   2020-04-12   
623-250 4   587F BANDWIDTH.COM CLEC, LLC - AZ 666   2020-04-12   
623-250 5   587F BANDWIDTH.COM CLEC, LLC - AZ 666   2020-04-12   
623-250 6   587F BANDWIDTH.COM CLEC, LLC - AZ 666   2020-04-12   
623-250 7   630E ONVOY, LLC - AZ 666   2020-05-29   
623-250 8   5562 METROPCS, INC. 666   2020-04-13   
623-250 9   5562 METROPCS, INC. 666   2020-04-13   
623-251 A PHNZAZZJAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666      
623-251 0   6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666   2007-10-27   
623-251 1   6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666   2007-10-27   
623-251 2   318J COMCAST IP PHONE, LLC 666   2007-10-30   
623-251 3   318J COMCAST IP PHONE, LLC 666   2007-10-30   
623-251 4   318J COMCAST IP PHONE, LLC 666   2007-10-30   
623-251 5   318J COMCAST IP PHONE, LLC 666   2007-10-30   
623-251 6   318J COMCAST IP PHONE, LLC 666   2007-10-30   
623-251 7   318J COMCAST IP PHONE, LLC 666   2007-10-30   
623-251 8   6529 T-MOBILE USA, INC. 666   2007-12-06   
623-251 9   6529 T-MOBILE USA, INC. 666   2007-12-06   
623-252 A PHNDAZ91DS5  3285 LEVEL 3 COMMUNICATIONS, LLC - AZ 666      
623-252 0   3285 LEVEL 3 COMMUNICATIONS, LLC - AZ 666   2007-10-29   
623-252 1   3285 LEVEL 3 COMMUNICATIONS, LLC - AZ 666   2007-10-29   
623-252 2   3285 LEVEL 3 COMMUNICATIONS, LLC - AZ 666   2007-10-29   
623-252 3   3285 LEVEL 3 COMMUNICATIONS, LLC - AZ 666   2007-10-29   
623-252 4   3285 LEVEL 3 COMMUNICATIONS, LLC - AZ 666   2007-10-29   
623-252 5   3285 LEVEL 3 COMMUNICATIONS, LLC - AZ 666   2007-10-29   
623-252 6   3285 LEVEL 3 COMMUNICATIONS, LLC - AZ 666   2007-10-29   
623-252 7   6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666   2008-08-10   
623-252 8   6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666   2008-08-20   
623-252 9   3285 LEVEL 3 COMMUNICATIONS, LLC - AZ 666   2008-06-18   
623-253 A PHNDAZ91DS5  3285 LEVEL 3 COMMUNICATIONS, LLC - AZ 666      
623-253 0   073H TELNYX LLC 666   2020-02-29   
623-253 1   630E ONVOY, LLC - AZ 666   2020-03-02   
623-253 2   3285 LEVEL 3 COMMUNICATIONS, LLC - AZ 666   2020-02-28   
623-253 3   630E ONVOY, LLC - AZ 666   2020-03-02   
623-253 4   630E ONVOY, LLC - AZ 666   2020-03-02   
623-253 5   630E ONVOY, LLC - AZ 666   2020-03-02   
623-253 6   630E ONVOY, LLC - AZ 666   2020-03-02   
623-253 7   630E ONVOY, LLC - AZ 666   2020-03-02   
623-253 8   630E ONVOY, LLC - AZ 666   2020-03-02   
623-253 9   630E ONVOY, LLC - AZ 666   2020-03-02   
623-254 A TEMPAZNR5MD  5562 METROPCS, INC. 666      

<< 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 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 >>

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.