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: 580

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
209-580 A Merced CA SKTNCA01XPZ  318J COMCAST IP PHONE, LLC 738      
209-580 0 Merced CA SKTNCA01XFY  649C ONVOY, LLC - CA 738      
209-580 1 Merced CA SKTNCA01XFY  649C ONVOY, LLC - CA 738      
209-580 2 Merced CA SKTNCA01XFY  649C ONVOY, LLC - CA 738      
209-580 3 Merced CA SKTNCA01XFY  649C ONVOY, LLC - CA 738      
209-580 4 Merced CA SKTNCA01XPZ  318J COMCAST IP PHONE, LLC 738   2008-10-28   
209-580 5 Merced CA SKTNCA01XJY  981E BANDWIDTH.COM CLEC, LLC - CA 738   2010-03-19   
209-580 6 Merced CA SKTNCA01X6Y  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 738   2008-12-08   
209-580 7 Merced CA SKTNCA01XJY  981E BANDWIDTH.COM CLEC, LLC - CA 738   2011-03-12   
209-580 9 Merced CA SKTOCAOY6MD  6529 T-MOBILE USA, INC. 738   2011-10-10   

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.