Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

NPA: 209 [Rate centres in NPA 209] [Dial plan for NPA 209]

NXX: 627

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
209-627 A Tracy CA SKTNCA01XNZ  515J IP HORIZON LLC 738      
209-627 0 Tracy CA   981E BANDWIDTH.COM CLEC, LLC - CA 738   2008-11-19   
209-627 1 Tracy CA   515J IP HORIZON LLC 738      
209-627 2 Tracy CA   515J IP HORIZON LLC 738      
209-627 3 Tracy CA   671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 738   2008-11-15   
209-627 4 Tracy CA   649C ONVOY, LLC - CA 738   2012-12-31   
209-627 5 Tracy CA   6010 NEW CINGULAR WIRELESS PCS, LLC 738   2005-03-10   
209-627 6 Tracy CA   6010 NEW CINGULAR WIRELESS PCS, LLC 738   2005-03-10   
209-627 7 Tracy CA   6010 NEW CINGULAR WIRELESS PCS, LLC 738   2007-02-18   
209-627 8 Tracy CA   6010 NEW CINGULAR WIRELESS PCS, LLC 738   2007-02-18   
209-627 9 Tracy CA   6529 T-MOBILE USA, INC. 738   2007-05-13   

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.