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: 253

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
623-253 A Phoenix AZ PHNDAZ91DS5  3285 LEVEL 3 COMMUNICATIONS, LLC - AZ 666      
623-253 0 Phoenix AZ PHNXAZ196MD  073H TELNYX LLC 666   2020-02-29   
623-253 1 Phoenix AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666   2020-03-02   
623-253 2 Phoenix AZ PHNDAZ91DS5  3285 LEVEL 3 COMMUNICATIONS, LLC - AZ 666   2020-02-28   
623-253 3 Phoenix AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666   2020-03-02   
623-253 4 Phoenix AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666   2020-03-02   
623-253 5 Phoenix AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666   2020-03-02   
623-253 6 Phoenix AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666   2020-03-02   
623-253 7 Phoenix AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666   2020-03-02   
623-253 8 Phoenix AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666   2020-03-02   
623-253 9 Phoenix AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666   2020-03-02   

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

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