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: 666

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
209-666 A Tracy CA SKTNCA01XFY  649C ONVOY, LLC - CA 738      
209-666 0 Tracy CA   6010 NEW CINGULAR WIRELESS PCS, LLC 738   2014-04-11   
209-666 1 Tracy CA   516C AT&T CORP. 738   2014-04-04   
209-666 2 Tracy CA   318J COMCAST IP PHONE, LLC 738   2013-09-19   
209-666 3 Tracy CA   649C ONVOY, LLC - CA 738   2013-03-26   
209-666 4 Tracy CA   6529 T-MOBILE USA, INC. 738   2014-04-13   
209-666 5 Tracy CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 738   2013-11-12   
209-666 6 Tracy CA   649C ONVOY, LLC - CA 738   2012-11-15   
209-666 7 Tracy CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 738   2013-09-12   
209-666 8 Tracy CA   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 738   2013-10-05   
209-666 9 Tracy CA   649C ONVOY, LLC - CA 738   2013-03-23   

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

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