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: 530 [Rate centres in NPA 530] [Dial plan for NPA 530]

NXX: 446

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
530-446 A Grass Valley: Main DA CA SCRMCA01XFZ  388E CEBRIDGE TELECOM CA, LLC DBA SUDDENLINK COMMS - CA 726      
530-446 0 Grass Valley: Main DA CA WSCRCAAHNMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 726   2014-05-20   
530-446 1 Grass Valley: Main DA CA SCRMCA01GT1  6010 NEW CINGULAR WIRELESS PCS, LLC 726   2014-10-09   
530-446 2 Grass Valley: Main DA CA SCRMCA01XSY  649C ONVOY, LLC - CA 726   2014-12-12   
530-446 3 Grass Valley: Main DA CA SCRMCA01XFZ  388E CEBRIDGE TELECOM CA, LLC DBA SUDDENLINK COMMS - CA 726   2014-04-07   
530-446 4 Grass Valley: Main DA CA WSCRCAAHNMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 726   2014-09-11   
530-446 5 Grass Valley: Main DA CA WSCRCAAHNMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 726   2014-11-25   
530-446 6 Grass Valley: Main DA CA SCRMCA0111Z  318J COMCAST IP PHONE, LLC 726   2014-04-08   
530-446 8 Grass Valley: Main DA CA SCRMCA01XSY  649C ONVOY, LLC - CA 726   2014-12-12   
530-446 9 Grass Valley: Main DA CA SCRMCA01XSY  649C ONVOY, LLC - CA 726   2014-12-12   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.