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: 566

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
209-566 A Modesto CA   7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 738      
209-566 0 Modesto CA   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 738   2008-09-04   
209-566 1 Modesto CA   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 738   2008-09-04   
209-566 2 Modesto CA   7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 738   2008-09-04   
209-566 3 Modesto CA   6529 T-MOBILE USA, INC. 738   2008-10-23   
209-566 4 Modesto CA   5562 METROPCS, INC. 738   2008-11-08   
209-566 5 Modesto CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 738   2008-09-06   
209-566 6 Modesto CA   5562 METROPCS, INC. 738   2008-11-08   
209-566 7 Modesto CA   671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 738   2008-11-15   
209-566 8 Modesto CA   776C CHARTER FIBERLINK CA-CCO, LLC - CA 738   2008-12-12   
209-566 9 Modesto CA   318J COMCAST IP PHONE, LLC 738   2008-12-18   

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

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