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: 312

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
623-312 A Phoenix AZ PHNXAZMAX1Z  318J COMCAST IP PHONE, LLC 666      
623-312 0 Phoenix AZ TEMPAZNR5MD  6529 T-MOBILE USA, INC. 666      
623-312 1 Phoenix AZ PHNZAZZJDS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 666      
623-312 2 Phoenix AZ PHNXAZMAX1Z  318J COMCAST IP PHONE, LLC 666      
623-312 3 Phoenix AZ PHNXAZMAX1Z  318J COMCAST IP PHONE, LLC 666      
623-312 4 Phoenix AZ TEMPAZNR7MD  5562 METROPCS, INC. 666      
623-312 5 Phoenix AZ TEMPAZNR7MD  5562 METROPCS, INC. 666      
623-312 6 Phoenix AZ TEMPAZNR7MD  5562 METROPCS, INC. 666      
623-312 7 Phoenix AZ TEMPAZNR7MD  5562 METROPCS, INC. 666      
623-312 8 Phoenix AZ TEMPAZNR7MD  5562 METROPCS, INC. 666      
623-312 9 Phoenix AZ TEMPAZNR7MD  5562 METROPCS, INC. 666      

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

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