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: 244

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
623-244 A Phoenix AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666      
623-244 0 Phoenix AZ   587F BANDWIDTH.COM CLEC, LLC - AZ 666   2018-11-15   
623-244 1 Phoenix AZ   587F BANDWIDTH.COM CLEC, LLC - AZ 666   2018-11-15   
623-244 2 Phoenix AZ   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 666   2018-10-11   
623-244 3 Phoenix AZ   508J CENTURYLINK COMMUNICATIONS, LLC 666   2018-10-11   
623-244 4 Phoenix AZ   630E ONVOY, LLC - AZ 666   2018-10-08   
623-244 5 Phoenix AZ   630E ONVOY, LLC - AZ 666   2018-10-08   
623-244 6 Phoenix AZ   630E ONVOY, LLC - AZ 666   2018-10-08   
623-244 7 Phoenix AZ   630E ONVOY, LLC - AZ 666   2018-10-08   
623-244 8 Phoenix AZ   630E ONVOY, LLC - AZ 666   2018-10-08   
623-244 9 Phoenix AZ   630E ONVOY, LLC - AZ 666   2018-10-08   

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

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