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: 231

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
623-231 A Phoenix AZ PHNDAZ91DS5  3285 LEVEL 3 COMMUNICATIONS, LLC - AZ 666      
623-231 0 Phoenix AZ TEMPAZNR7MD  5562 METROPCS, INC. 666   2018-05-21   
623-231 1 Phoenix AZ TEMPAZNR7MD  5562 METROPCS, INC. 666   2018-05-21   
623-231 2 Phoenix AZ PHNDAZ91DS5  3285 LEVEL 3 COMMUNICATIONS, LLC - AZ 666   2018-05-20   
623-231 3 Phoenix AZ PHNDAZ91DS5  3285 LEVEL 3 COMMUNICATIONS, LLC - AZ 666   2018-05-20   
623-231 4 Phoenix AZ PHNXAZMAX1Z  318J COMCAST IP PHONE, LLC 666   2018-05-21   
623-231 5 Phoenix AZ PHNXAZMAX1Z  318J COMCAST IP PHONE, LLC 666   2018-05-21   
623-231 6 Phoenix AZ PHNXAZMAX1Z  318J COMCAST IP PHONE, LLC 666   2018-05-21   
623-231 7 Phoenix AZ PHNXAZMAX1Z  318J COMCAST IP PHONE, LLC 666   2018-05-21   
623-231 8 Phoenix AZ TEMPAZNR7MD  5562 METROPCS, INC. 666   2018-05-28   
623-231 9 Phoenix AZ TEMPAZNR7MD  5562 METROPCS, INC. 666   2019-01-30   

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

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