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: 220

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
623-220 A Phoenix AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666   2024-04-26   
623-220 0 Phoenix AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666   2024-04-26   
623-220 1 Phoenix AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666   2024-04-26   
623-220 2 Phoenix AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666   2024-04-26   
623-220 3 Phoenix AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666   2024-04-26   
623-220 4 Phoenix AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666   2024-04-26   
623-220 5 Phoenix AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666   2024-04-26   
623-220 6 Phoenix AZ PHNXAZMAXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 666   2024-04-27   
623-220 7 Phoenix AZ PHNXAZMAXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 666   2024-04-27   
623-220 8 Phoenix AZ PHNXAZMAXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 666   2024-04-27   
623-220 9 Phoenix AZ PHNXAZMAXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 666   2024-04-27   

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

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