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.

Grant Grove, CA

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
559-236 A SNGRCAXFWMD  649C ONVOY, LLC - CA 728      
559-236 0 FRSMCA150MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 728      
559-236 1 FRSMCA150MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 728      
559-236 2 FRSMCA150MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 728      
559-236 3 FRSNCA01DS5  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 728      
559-236 4 FRSNCA01XMZ  073H TELNYX LLC 728      
559-236 5 SNGRCAXFWMD  649C ONVOY, LLC - CA 728      
559-236 6 SNGRCAXFWMD  649C ONVOY, LLC - CA 728      
559-236 7 SNGRCAXFWMD  649C ONVOY, LLC - CA 728      
559-236 8 SNGRCAXFWMD  649C ONVOY, LLC - CA 728      
559-236 9 SNGRCAXFWMD  649C ONVOY, LLC - CA 728      
559-335 A GGVGCAXFRS2  2319 FRONTIER CALIFORNIA INC. 728      
559-335 0 FRSNCA01XPZ  073H TELNYX LLC 728      
559-335 1 FRSNCA01XPZ  073H TELNYX LLC 728      
559-335 2 GGVGCAXFRS2  2319 FRONTIER CALIFORNIA INC. 728      
559-335 3 FRSNCA01XNY  981E BANDWIDTH.COM CLEC, LLC - CA 728      
559-335 4 FRSMCA150MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 728      
559-335 5 SNGRCAXFWMD  649C ONVOY, LLC - CA 728      
559-335 8 SNGRCAXFWMD  649C ONVOY, LLC - CA 728      
559-335 9 FRSNCA01DS5  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 728      
559-910 A   649C ONVOY, LLC - CA 728      
559-910 0   649C ONVOY, LLC - CA 728      
559-910 1 SNGRCAXFWMD  649C ONVOY, LLC - CA 728      
559-910 2 SNGRCAXFWMD  649C ONVOY, LLC - CA 728      
559-910 3 SNGRCAXFWMD  649C ONVOY, LLC - CA 728      
559-910 4 FRSNCA01XPZ  073H TELNYX LLC 728      
559-910 7   373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 728      
559-910 8 FRSNCA01TMD  939H COMMIO, LLC 728      
559-910 9 FRSMCA151MD  073H TELNYX LLC 728      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.