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.

Santa Cruz, CA

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

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
831-201 A   6010 NEW CINGULAR WIRELESS PCS, LLC 722      
831-201 0   649C ONVOY, LLC - CA 722   2016-10-22   
831-201 1   649C ONVOY, LLC - CA 722   2016-10-22   
831-201 2   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2017-02-27   
831-201 3   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2017-04-27   
831-201 4   7610 COMCAST PHONE OF CALIFORNIA, LLC - CA 722   2017-06-06   
831-201 5   649C ONVOY, LLC - CA 722   2017-06-17   
831-201 6   073H TELNYX LLC 722   2017-06-05   
831-201 7   5562 METRO PCS, INC. 722   2017-01-01   
831-201 8   6010 NEW CINGULAR WIRELESS PCS, LLC 722   2016-10-22   
831-201 9   6010 NEW CINGULAR WIRELESS PCS, LLC 722   2016-10-21   
831-212 A   6664 SPRINT SPECTRUM L.P. 722      
831-212 0   6664 SPRINT SPECTRUM L.P. 722      
831-212 1   6664 SPRINT SPECTRUM L.P. 722      
831-212 2   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2006-11-05   
831-212 3   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2006-12-05   
831-212 4   6664 SPRINT SPECTRUM L.P. 722      
831-212 5   6664 SPRINT SPECTRUM L.P. 722      
831-212 6   6664 SPRINT SPECTRUM L.P. 722      
831-212 7   6664 SPRINT SPECTRUM L.P. 722      
831-212 8   6664 SPRINT SPECTRUM L.P. 722      
831-212 9   6664 SPRINT SPECTRUM L.P. 722      
831-226 A   516C AT&T CORP. 722      
831-226 0   4129 O1 COMMUNICATIONS, INC. - CA 722   2015-09-05   
831-226 1   981E BANDWIDTH.COM CLEC, LLC - CA 722   2015-10-26   
831-226 2   7610 COMCAST PHONE OF CALIFORNIA, LLC - CA 722   2015-08-22   
831-226 3   373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722   2015-10-23   
831-226 4   6010 NEW CINGULAR WIRELESS PCS, LLC 722   2015-10-09   
831-226 5   516C AT&T CORP. 722   2015-08-15   
831-226 6   6529 T-MOBILE USA, INC. 722   2015-10-03   
831-226 7   649C ONVOY, LLC - CA 722   2015-08-29   
831-226 8   649C ONVOY, LLC - CA 722   2015-08-29   
831-226 9   6010 NEW CINGULAR WIRELESS PCS, LLC 722   2015-08-22   
831-227 A SNVACANXCM0  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
831-227 0   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2003-10-01   
831-227 1   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
831-227 2   7240 MCI WORLDCOM COMMUNICATIONS, INC., CA 722   2003-09-16   
831-227 3   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2003-10-01   
831-227 4   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2003-10-01   
831-227 5   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2003-10-01   
831-227 6   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2003-10-01   
831-227 7   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2003-10-01   
831-227 8   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2003-10-01   
831-227 9   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2003-10-01   
831-234 A SNVACANXCM0  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
831-239 A SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
831-247 A SNVACANXCM0  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
831-255 A SNFCCACQDS0  7894 NORTH COUNTY COMMUNICATIONS CORP. - CA 722      
831-281 A   9748 AMERICAN MESSAGING SERVICES, LLC 722      
831-291 A   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      

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

Last updated: Thu, 10 Sep 2020 02:15:24 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.