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: 399

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
623-399 A Phoenix AZ TEMPAZNR5MD  6529 T-MOBILE USA, INC. 666      
623-399 0 Phoenix AZ PHNZAZZJAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666      
623-399 1 Phoenix AZ   630E ONVOY, LLC - AZ 666      
623-399 2 Phoenix AZ TEMPAZNR5MD  6529 T-MOBILE USA, INC. 666      
623-399 3 Phoenix AZ PHNZAZZJAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666      
623-399 4 Phoenix AZ PHNDAZ91DS5  3285 LEVEL 3 COMMUNICATIONS, LLC - AZ 666      
623-399 5 Phoenix AZ TEMPAZNR5MD  6529 T-MOBILE USA, INC. 666      
623-399 6 Phoenix AZ PHNXAZMAX1Z  318J COMCAST IP PHONE, LLC 666      
623-399 7 Phoenix AZ TEMPAZNR5MD  6529 T-MOBILE USA, INC. 666      
623-399 8 Phoenix AZ PHNXAZMAX1Z  318J COMCAST IP PHONE, LLC 666      
623-399 9 Phoenix AZ PHNXAZMAX1Z  318J COMCAST IP PHONE, LLC 666      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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