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: 356

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
623-356 A Phoenix AZ PHNXAZ19AMD  965H FRACTEL, LLC 666      
623-356 0 Phoenix AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666   2020-11-27   
623-356 1 Phoenix AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666   2020-11-27   
623-356 2 Phoenix AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666   2020-11-27   
623-356 3 Phoenix AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666   2020-11-27   
623-356 4 Phoenix AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666   2020-11-27   
623-356 5 Phoenix AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666   2020-11-27   
623-356 6 Phoenix AZ PHNXAZMAXYX  7217 TELEPORT COMMUNICATIONS AMERICA, LLC - AZ 666   2020-11-27   
623-356 7 Phoenix AZ PHNXAZ19AMD  965H FRACTEL, LLC 666   2020-11-26   
623-356 8 Phoenix AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666   2020-11-27   
623-356 9 Phoenix AZ PHNXAZ19AMD  965H FRACTEL, LLC 666   2020-11-26   

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

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