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.

Silverado, CA

1 2 3 4 5 6 7 8 9 10 11 12 13 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
657-209 A BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
657-209 0   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2017-07-20   
657-209 1   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2017-07-20   
657-209 2   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2017-07-20   
657-209 3   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2017-07-20   
657-209 4   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2017-07-20   
657-209 5   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2017-07-20   
657-209 6   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2017-07-20   
657-209 7   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2017-07-20   
657-209 8   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2017-07-20   
657-209 9   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2017-07-20   
657-260 A BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
657-260 0   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2015-11-06   
657-260 1   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2015-11-06   
657-260 2   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2015-11-06   
657-260 3   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2016-01-09   
657-260 4   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2016-01-15   
657-260 5   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2015-11-29   
657-260 6   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2015-11-29   
657-260 7   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2015-11-29   
657-260 8   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2016-01-22   
657-260 9   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2015-11-29   
657-287 A BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
657-287 0   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2016-02-29   
657-287 1   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2016-02-29   
657-287 2   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2016-02-29   
657-287 3   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2016-03-11   
657-287 4   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2016-03-11   
657-287 5   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2016-03-18   
657-287 6   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2016-02-29   
657-287 7   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2016-03-18   
657-287 8   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2016-03-25   
657-287 9   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2016-03-25   
657-293 A LSANCARCD3S  649C ONVOY, LLC - CA 730      
657-293 0   649C ONVOY, LLC - CA 730   2015-10-26   
657-293 1   649C ONVOY, LLC - CA 730   2015-10-26   
657-293 2   649C ONVOY, LLC - CA 730   2015-10-26   
657-293 3   6529 T-MOBILE USA, INC. 730   2015-10-27   
657-293 4   6529 T-MOBILE USA, INC. 730   2015-10-27   
657-293 5   6529 T-MOBILE USA, INC. 730   2015-10-27   
657-293 6   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2016-07-07   
657-293 7   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2016-07-07   
657-293 8   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2016-07-07   
657-293 9   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2016-07-07   
657-297 A LSANCARCD3S  649C ONVOY, LLC - CA 730      
657-297 0   649C ONVOY, LLC - CA 730   2016-03-03   
657-297 1   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2016-03-31   
657-297 2   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2016-03-31   
657-297 3   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2016-03-31   
657-297 4   649C ONVOY, LLC - CA 730   2016-03-11   

1 2 3 4 5 6 7 8 9 10 11 12 13 >>

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

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.