Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 408 [Rate centres in NPA 408] [Dial plan for NPA 408]

NXX: 594

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
408-594 A Sunnyvale CA OKLECAZV1MD  5562 METROPCS, INC. 722      
408-594 0 Sunnyvale CA   5562 METROPCS, INC. 722      
408-594 1 Sunnyvale CA   5562 METROPCS, INC. 722      
408-594 2 Sunnyvale CA   5562 METROPCS, INC. 722      
408-594 3 Sunnyvale CA   5562 METROPCS, INC. 722      
408-594 4 Sunnyvale CA   5562 METROPCS, INC. 722      
408-594 5 Sunnyvale CA   6010 NEW CINGULAR WIRELESS PCS, LLC 722   2006-10-09   
408-594 6 Sunnyvale CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2014-05-20   
408-594 7 Sunnyvale CA   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722   2012-05-18   
408-594 8 Sunnyvale CA   6529 T-MOBILE USA, INC. 722   2008-07-03   
408-594 9 Sunnyvale CA   6010 NEW CINGULAR WIRELESS PCS, LLC 722   2006-10-09   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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