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: 291

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
623-291 A Phoenix AZ PHNXAZMAX8Z  732J NUSO, LLC 666      
623-291 0 Phoenix AZ PHNXAZ197MD  939H COMMIO, LLC 666   2022-11-22   
623-291 1 Phoenix AZ PHNXAZMAX8Z  732J NUSO, LLC 666   2022-11-21   
623-291 2 Phoenix AZ PHNXAZ197MD  939H COMMIO, LLC 666   2022-11-22   
623-291 3 Phoenix AZ PHNXAZ197MD  939H COMMIO, LLC 666   2022-11-22   
623-291 4 Phoenix AZ PHNXAZ197MD  939H COMMIO, LLC 666   2022-11-22   
623-291 5 Phoenix AZ PHNXAZ197MD  939H COMMIO, LLC 666   2022-11-22   
623-291 6 Phoenix AZ PHNXAZ197MD  939H COMMIO, LLC 666   2022-11-22   
623-291 7 Phoenix AZ PHNXAZ197MD  939H COMMIO, LLC 666   2022-11-22   
623-291 8 Phoenix AZ TEMPAZNR5MD  6529 T-MOBILE USA, INC. 666   2022-12-22   
623-291 9 Phoenix AZ TEMPAZNR5MD  6529 T-MOBILE USA, INC. 666   2022-12-22   

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

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