Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 623 [Rate centres in NPA 623] [Dial plan for NPA 623]

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NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
623-433 9 Phoenix AZ PHNXAZMAX1Z  318J COMCAST IP PHONE, LLC 666   2005-12-05   
623-434 A Phoenix AZ DRVYAZNODS0  9636 QWEST CORPORATION 666      
623-435 A Phoenix AZ GLDLAZMADS0  9636 QWEST CORPORATION 666      
623-439 A Phoenix AZ PHNXAZMAXQY  624H ONVOY SPECTRUM, LLC 666      
623-439 0 Phoenix AZ PHNXAZMAXQY  624H ONVOY SPECTRUM, LLC 666   2017-08-27   
623-439 1 Phoenix AZ PHNXAZMAXQX  587F BANDWIDTH.COM CLEC, LLC - AZ 666   2018-09-03   
623-439 2 Phoenix AZ PHNDAZ91DS5  3285 LEVEL 3 COMMUNICATIONS, LLC - AZ 666   2018-08-17   
623-439 3 Phoenix AZ PHNXAZMAXQX  587F BANDWIDTH.COM CLEC, LLC - AZ 666   2018-09-03   
623-439 4 Phoenix AZ PHNXAZMAXQX  587F BANDWIDTH.COM CLEC, LLC - AZ 666   2018-09-03   
623-439 5 Phoenix AZ PHNXAZMAXQX  587F BANDWIDTH.COM CLEC, LLC - AZ 666   2018-09-03   
623-439 6 Phoenix AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666   2018-09-03   
623-439 7 Phoenix AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666   2018-09-03   
623-439 8 Phoenix AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666   2018-09-03   
623-439 9 Phoenix AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666   2018-09-03   
623-440 A Phoenix AZ PHNXAZMAX1Z  318J COMCAST IP PHONE, LLC 666      
623-440 0 Phoenix AZ PHNXAZ196MD  073H TELNYX LLC 666   2018-07-13   
623-440 1 Phoenix AZ PHNXAZMAX1Z  318J COMCAST IP PHONE, LLC 666   2018-07-09   
623-440 2 Phoenix AZ PHNXAZMAX1Z  318J COMCAST IP PHONE, LLC 666   2018-07-09   
623-440 3 Phoenix AZ PHNXAZMAX1Z  318J COMCAST IP PHONE, LLC 666   2018-07-09   
623-440 4 Phoenix AZ PHNXAZMAX1Z  318J COMCAST IP PHONE, LLC 666   2018-07-09   
623-440 5 Phoenix AZ PHNXAZMAX1Z  318J COMCAST IP PHONE, LLC 666   2018-07-09   
623-440 6 Phoenix AZ PHNXAZMAX1Z  318J COMCAST IP PHONE, LLC 666   2018-07-09   
623-440 7 Phoenix AZ PHNXAZMAX1Z  318J COMCAST IP PHONE, LLC 666   2018-07-09   
623-440 8 Phoenix AZ PHNXAZMAX1Z  318J COMCAST IP PHONE, LLC 666   2018-07-09   
623-440 9 Phoenix AZ PHNXAZMAX1Z  318J COMCAST IP PHONE, LLC 666   2018-07-09   
623-444 A Phoenix AZ PHNYAZUXDS0  7217 TELEPORT COMMUNICATIONS AMERICA, LLC - AZ 666      
623-444 0 Phoenix AZ TEMPAZNR5MD  6529 T-MOBILE USA, INC. 666   2006-08-19   
623-444 1 Phoenix AZ PHNYAZUXDS0  7217 TELEPORT COMMUNICATIONS AMERICA, LLC - AZ 666      
623-444 2 Phoenix AZ PHNZAZZJDS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 666   2005-04-24   
623-444 3 Phoenix AZ PHNYAZUXDS0  7217 TELEPORT COMMUNICATIONS AMERICA, LLC - AZ 666      
623-444 4 Phoenix AZ PHNXAZMAX1Z  318J COMCAST IP PHONE, LLC 666   2005-09-07   
623-444 5 Phoenix AZ PHNZAZZJDS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 666   2005-04-24   
623-444 6 Phoenix AZ PHNXAZMAX1Z  318J COMCAST IP PHONE, LLC 666   2005-09-07   
623-444 7 Phoenix AZ PHNXAZMAX1Z  318J COMCAST IP PHONE, LLC 666   2005-09-07   
623-444 8 Phoenix AZ PHNXAZMAX1Z  318J COMCAST IP PHONE, LLC 666   2005-09-07   
623-444 9 Phoenix AZ PHNXAZMAX1Z  318J COMCAST IP PHONE, LLC 666   2005-09-07   
623-445 A Phoenix AZ DRVYAZNODS0  9636 QWEST CORPORATION 666      
623-445 0 Phoenix AZ DRVYAZNODS0  9636 QWEST CORPORATION 666      
623-445 1 Phoenix AZ TEMPAZNR5MD  6529 T-MOBILE USA, INC. 666   2022-10-17   
623-445 2 Phoenix AZ DRVYAZNODS0  9636 QWEST CORPORATION 666      
623-445 3 Phoenix AZ DRVYAZNODS0  9636 QWEST CORPORATION 666      
623-445 4 Phoenix AZ DRVYAZNODS0  9636 QWEST CORPORATION 666      
623-445 5 Phoenix AZ DRVYAZNODS0  9636 QWEST CORPORATION 666      
623-445 6 Phoenix AZ DRVYAZNODS0  9636 QWEST CORPORATION 666      
623-445 7 Phoenix AZ DRVYAZNODS0  9636 QWEST CORPORATION 666      
623-445 8 Phoenix AZ DRVYAZNODS0  9636 QWEST CORPORATION 666      
623-445 9 Phoenix AZ DRVYAZNODS0  9636 QWEST CORPORATION 666      
623-451 A Phoenix AZ TEMPAZNR5MD  6529 T-MOBILE USA, INC. 666      
623-451 0 Phoenix AZ TEMPAZNR5MD  6529 T-MOBILE USA, INC. 666      
623-451 1 Phoenix AZ TEMPAZNR5MD  6529 T-MOBILE USA, INC. 666      

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Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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