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]

NXX: 404

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
623-404 A Phoenix AZ PHNXAZUI8MD  508J CENTURYLINK COMMUNICATIONS, LLC 666      
623-404 0 Phoenix AZ PHNXAZMAXQX  587F BANDWIDTH.COM CLEC, LLC - AZ 666   2017-07-24   
623-404 1 Phoenix AZ PHNXAZMAXQX  587F BANDWIDTH.COM CLEC, LLC - AZ 666   2017-07-24   
623-404 2 Phoenix AZ PHNXAZMAXQX  587F BANDWIDTH.COM CLEC, LLC - AZ 666   2017-07-24   
623-404 3 Phoenix AZ PHNXAZMAXQX  587F BANDWIDTH.COM CLEC, LLC - AZ 666   2017-07-24   
623-404 4 Phoenix AZ PHNXAZMAXQX  587F BANDWIDTH.COM CLEC, LLC - AZ 666   2017-07-24   
623-404 5 Phoenix AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666   2017-08-08   
623-404 6 Phoenix AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666   2017-08-08   
623-404 7 Phoenix AZ PHNXAZUI8MD  508J CENTURYLINK COMMUNICATIONS, LLC 666   2017-06-30   
623-404 8 Phoenix AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666   2017-08-08   
623-404 9 Phoenix AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666   2017-08-08   

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

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