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: 623 [Rate centres in NPA 623] [Dial plan for NPA 623]

<< 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 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
623-333 7 Phoenix AZ   9636 QWEST CORPORATION 666   2006-10-23   
623-333 8 Phoenix AZ   9636 QWEST CORPORATION 666   2006-10-23   
623-333 9 Phoenix AZ   9636 QWEST CORPORATION 666   2006-10-23   
623-334 A Phoenix AZ PHNXAZPRDS0  9636 QWEST CORPORATION 666      
623-335 A Phoenix AZ PHNXAZMAXQX  587F BANDWIDTH.COM CLEC, LLC - AZ 666      
623-335 0 Phoenix AZ PHNXAZMAXQX  587F BANDWIDTH.COM CLEC, LLC - AZ 666   2011-08-30   
623-335 1 Phoenix AZ PHNXAZMAXQX  587F BANDWIDTH.COM CLEC, LLC - AZ 666   2011-08-30   
623-335 2 Phoenix AZ PHNXAZ19DS3  579F PEERLESS NETWORK OF ARIZONA, LLC - AZ 666   2012-07-01   
623-335 3 Phoenix AZ PHNXAZMAXQX  587F BANDWIDTH.COM CLEC, LLC - AZ 666   2011-08-30   
623-335 4 Phoenix AZ PHNXAZMAXQX  587F BANDWIDTH.COM CLEC, LLC - AZ 666   2011-08-30   
623-335 5 Phoenix AZ PHNXAZMAXQX  587F BANDWIDTH.COM CLEC, LLC - AZ 666   2011-08-30   
623-335 6 Phoenix AZ PHNXAZMAXQX  587F BANDWIDTH.COM CLEC, LLC - AZ 666   2011-08-30   
623-335 7 Phoenix AZ PHNXAZMAXQX  587F BANDWIDTH.COM CLEC, LLC - AZ 666   2011-08-30   
623-335 8 Phoenix AZ PHNXAZMAXQX  587F BANDWIDTH.COM CLEC, LLC - AZ 666   2011-08-30   
623-335 9 Phoenix AZ PHNXAZMAXQX  587F BANDWIDTH.COM CLEC, LLC - AZ 666   2011-08-30   
623-336 A Phoenix AZ PHNXAZMAXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 666      
623-336 0 Phoenix AZ PHNXAZMAXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 666   2010-05-27   
623-336 1 Phoenix AZ PHNXAZMAXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 666   2010-05-27   
623-336 2 Phoenix AZ PHNXAZMAXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 666   2010-05-27   
623-336 3 Phoenix AZ PHNXAZMAXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 666   2010-05-27   
623-336 4 Phoenix AZ PHNXAZMAXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 666   2010-05-27   
623-336 5 Phoenix AZ PHNXAZMAXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 666   2010-05-27   
623-336 6 Phoenix AZ PHNZAZZJDS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 666   2010-07-06   
623-336 7 Phoenix AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666   2010-07-15   
623-336 8 Phoenix AZ PHNXAZMAXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 666   2010-07-23   
623-336 9 Phoenix AZ PHNXAZMAXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 666   2010-07-23   
623-337 A Phoenix AZ PHNYAZUXDS0  7217 TELEPORT COMMUNICATIONS AMERICA, LLC - AZ 666      
623-337 0 Phoenix AZ TEMPAZNR5MD  6529 T-MOBILE USA, INC. 666   2006-01-06   
623-337 1 Phoenix AZ TEMPAZNR5MD  6529 T-MOBILE USA, INC. 666   2006-01-06   
623-337 2 Phoenix AZ PHNZAZZJAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666   2005-11-11   
623-337 3 Phoenix AZ PHNZAZZJAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666   2005-11-11   
623-337 4 Phoenix AZ PHNXAZMAX1Z  318J COMCAST IP PHONE, LLC 666   2005-05-31   
623-337 5 Phoenix AZ PHNXAZMAX1Z  318J COMCAST IP PHONE, LLC 666   2005-05-31   
623-337 6 Phoenix AZ PHNXAZMAXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 666   2004-09-25   
623-337 7 Phoenix AZ PHNXAZMAXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 666   2004-09-25   
623-337 8 Phoenix AZ PHNYAZUXDS0  7217 TELEPORT COMMUNICATIONS AMERICA, LLC - AZ 666      
623-337 9 Phoenix AZ PHNYAZUXDS0  7217 TELEPORT COMMUNICATIONS AMERICA, LLC - AZ 666      
623-340 A Phoenix AZ TEMPAZNR5MD  6529 T-MOBILE USA, INC. 666      
623-340 0 Phoenix AZ TEMPAZNR5MD  6529 T-MOBILE USA, INC. 666      
623-340 1 Phoenix AZ TEMPAZNR5MD  6529 T-MOBILE USA, INC. 666      
623-340 2 Phoenix AZ TEMPAZNR5MD  6529 T-MOBILE USA, INC. 666      
623-340 3 Phoenix AZ TEMPAZNR5MD  6529 T-MOBILE USA, INC. 666      
623-340 4 Phoenix AZ TEMPAZNR5MD  6529 T-MOBILE USA, INC. 666      
623-340 5 Phoenix AZ TEMPAZNR5MD  6529 T-MOBILE USA, INC. 666      
623-340 6 Phoenix AZ TEMPAZNR5MD  6529 T-MOBILE USA, INC. 666      
623-340 7 Phoenix AZ TEMPAZNR5MD  6529 T-MOBILE USA, INC. 666      
623-340 8 Phoenix AZ TEMPAZNR5MD  6529 T-MOBILE USA, INC. 666      
623-340 9 Phoenix AZ TEMPAZNR5MD  6529 T-MOBILE USA, INC. 666      
623-341 A Phoenix AZ TEMPAZNR5MD  6529 T-MOBILE USA, INC. 666      
623-341 0 Phoenix AZ TEMPAZNR5MD  6529 T-MOBILE USA, INC. 666      
623-341 1 Phoenix AZ TEMPAZNR5MD  6529 T-MOBILE USA, INC. 666      
623-341 2 Phoenix AZ TEMPAZNR5MD  6529 T-MOBILE USA, INC. 666      
623-341 3 Phoenix AZ TEMPAZNR5MD  6529 T-MOBILE USA, INC. 666      
623-341 4 Phoenix AZ TEMPAZNR5MD  6529 T-MOBILE USA, INC. 666      
623-341 5 Phoenix AZ TEMPAZNR5MD  6529 T-MOBILE USA, INC. 666      
623-341 6 Phoenix AZ TEMPAZNR5MD  6529 T-MOBILE USA, INC. 666      
623-341 7 Phoenix AZ TEMPAZNR5MD  6529 T-MOBILE USA, INC. 666      
623-341 8 Phoenix AZ TEMPAZNR5MD  6529 T-MOBILE USA, INC. 666      
623-341 9 Phoenix AZ TEMPAZNR5MD  6529 T-MOBILE USA, INC. 666      
623-343 A Phoenix AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666      
623-343 0 Phoenix AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666   2022-10-31   
623-343 1 Phoenix AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666   2022-10-31   
623-343 2 Phoenix AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666   2022-10-31   
623-343 3 Phoenix AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666   2022-10-31   
623-343 4 Phoenix AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666   2022-10-31   
623-343 5 Phoenix AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666   2022-10-31   
623-343 6 Phoenix AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666   2022-10-31   
623-343 7 Phoenix AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666   2022-10-31   
623-343 8 Phoenix AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666   2022-10-31   
623-343 9 Phoenix AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666   2022-10-31   
623-344 A Phoenix AZ PHNZAZ87PS0  7175 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 666      
623-344 0 Phoenix AZ PHNZAZ87PS0  7175 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 666      
623-344 1 Phoenix AZ PHNZAZ87PS0  7175 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 666      
623-344 2 Phoenix AZ PHNZAZ87PS0  7175 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 666      
623-344 3 Phoenix AZ PHNZAZ87PS0  7175 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 666      
623-344 4 Phoenix AZ PHNZAZ87PS0  7175 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 666      
623-344 5 Phoenix AZ PHNZAZ87PS0  7175 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 666      
623-344 6 Phoenix AZ PHNZAZ87PS0  7175 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 666      
623-344 7 Phoenix AZ PHNZAZ87PS0  7175 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 666      
623-344 8 Phoenix AZ PHNZAZ87PS0  7175 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 666      
623-344 9 Phoenix AZ TEMPAZNR5MD  5562 METROPCS, INC. 666   2014-08-18   
623-349 A Phoenix AZ PHNZAZ87PS0  7175 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 666      
623-349 0 Phoenix AZ   630E ONVOY, LLC - AZ 666   2011-03-11   
623-349 1 Phoenix AZ PHNXAZMAXQX  587F BANDWIDTH.COM CLEC, LLC - AZ 666   2010-04-25   
623-349 2 Phoenix AZ TEMPAZNR5MD  5562 METROPCS, INC. 666   2013-11-15   
623-349 3 Phoenix AZ PHNZAZZJAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666   2010-05-08   
623-349 4 Phoenix AZ PHNXAZMAXQX  587F BANDWIDTH.COM CLEC, LLC - AZ 666   2010-04-25   
623-349 5 Phoenix AZ PHNZAZ87PS0  7175 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 666      
623-349 6 Phoenix AZ PHNZAZ87PS0  7175 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 666      
623-349 7 Phoenix AZ PHNXAZMAXQX  587F BANDWIDTH.COM CLEC, LLC - AZ 666   2010-04-25   
623-349 8 Phoenix AZ   6010 NEW CINGULAR WIRELESS PCS, LLC 666   2025-02-10   
623-349 9 Phoenix AZ TEMPAZNR5MD  5562 METROPCS, INC. 666   2013-12-09   
623-352 A Phoenix AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666      
623-352 0 Phoenix AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666   2022-11-03   
623-352 1 Phoenix AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666   2022-11-03   
623-352 2 Phoenix AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666   2022-11-03   
623-352 3 Phoenix AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666   2022-11-03   
623-352 4 Phoenix AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666   2022-11-03   
623-352 5 Phoenix AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666   2022-11-03   
623-352 6 Phoenix AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666   2022-11-03   

<< 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 >>

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.