Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 209 [Rate centres in NPA 209] [Dial plan for NPA 209]

NXX: 640

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
209-640 A Tracy CA SKTOCAOY6MD  6529 T-MOBILE USA, INC. 738      
209-640 0 Tracy CA   6529 T-MOBILE USA, INC. 738      
209-640 1 Tracy CA   6529 T-MOBILE USA, INC. 738      
209-640 2 Tracy CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 738   2005-10-06   
209-640 3 Tracy CA   5562 METROPCS, INC. 738   2006-12-27   
209-640 4 Tracy CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 738   2006-07-07   
209-640 5 Tracy CA   5562 METROPCS, INC. 738   2007-07-27   
209-640 6 Tracy CA   5562 METROPCS, INC. 738   2008-07-13   
209-640 7 Tracy CA   6529 T-MOBILE USA, INC. 738   2004-11-13   
209-640 8 Tracy CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 738   2007-08-16   
209-640 9 Tracy CA   6529 T-MOBILE USA, INC. 738      

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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