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: 900

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
623-900 A Phoenix AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666      
623-900 0 Phoenix AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666   2015-04-20   
623-900 1 Phoenix AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666   2015-04-20   
623-900 2 Phoenix AZ PHNDAZ91DS5  3285 LEVEL 3 COMMUNICATIONS, LLC - AZ 666   2015-04-21   
623-900 3 Phoenix AZ PHNDAZ91DS5  3285 LEVEL 3 COMMUNICATIONS, LLC - AZ 666   2015-04-21   
623-900 4 Phoenix AZ PHNDAZ91DS5  3285 LEVEL 3 COMMUNICATIONS, LLC - AZ 666   2015-04-21   
623-900 5 Phoenix AZ PHNDAZ91DS5  3285 LEVEL 3 COMMUNICATIONS, LLC - AZ 666   2015-04-21   
623-900 6 Phoenix AZ PHNDAZ91DS5  3285 LEVEL 3 COMMUNICATIONS, LLC - AZ 666   2015-04-21   
623-900 7 Phoenix AZ PHNDAZ91DS5  3285 LEVEL 3 COMMUNICATIONS, LLC - AZ 666   2015-04-21   
623-900 8 Phoenix AZ TEMPAZNR5MD  6529 T-MOBILE USA, INC. 666   2015-04-21   
623-900 9 Phoenix AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666   2015-04-20   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

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