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.

Napa, CA

<< 1 2 3 4 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
707-294 A SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
707-294 0 OKLECAZV1MD  5562 METROPCS, INC. 722   2008-07-31   
707-294 1 SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2005-12-17   
707-294 2 OKLDCA03XOY  318J COMCAST IP PHONE, LLC 722   2005-09-27   
707-294 3 OKLECAZV1MD  5562 METROPCS, INC. 722   2005-11-02   
707-294 4 OKLECAZV1MD  5562 METROPCS, INC. 722   2005-11-02   
707-294 5 OKLECAZV1MD  5562 METROPCS, INC. 722   2005-11-02   
707-294 6 HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722   2006-07-09   
707-294 7 CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2005-12-30   
707-294 8 CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2005-12-30   
707-294 9 OKLECAZV1MD  5562 METROPCS, INC. 722   2006-08-28   
707-299 A NAPACA01DS0  9740 PACIFIC BELL 722      
707-299 0 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2005-08-02   
707-299 1 NAPACA01DS0  9740 PACIFIC BELL 722      
707-299 2 NAPACA01DS0  9740 PACIFIC BELL 722      
707-299 3 NAPACA01DS0  9740 PACIFIC BELL 722      
707-299 4 NAPACA01DS0  9740 PACIFIC BELL 722      
707-299 5 SNFCCAMKX1X  9262 UTILITY TELECOM GROUP, LLC - CA 722   2006-05-16   
707-299 6 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2007-07-29   
707-299 7 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2006-03-09   
707-299 8 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2006-03-09   
707-299 9 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2005-05-12   
707-307 A SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
707-307 0 SNFCCA21XPZ  553J WHITESKY COMMUNICATIONS, LLC 722   2021-09-16   
707-307 1 SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
707-307 2 OKLECAZV1MD  5562 METROPCS, INC. 722   2006-08-28   
707-307 3 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2006-09-15   
707-307 4 SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
707-307 5 SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
707-307 6 SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
707-307 7 SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
707-307 8 OKLECAZV1MD  5562 METROPCS, INC. 722   2007-06-09   
707-307 9 OKLECAZV1MD  5562 METROPCS, INC. 722   2007-06-09   
707-320 A SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
707-320 0 SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
707-320 1 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2008-03-22   
707-320 2 SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
707-320 3 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2007-01-08   
707-320 4 SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
707-320 5 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2021-07-28   
707-320 6 OKLDCA03XOY  318J COMCAST IP PHONE, LLC 722   2022-11-06   
707-320 7 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2007-03-08   
707-320 8 CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2005-12-01   
707-320 9 SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
707-337 A HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
707-346 A HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
707-346 0 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2012-10-19   
707-346 1 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2013-07-21   
707-346 2 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2012-12-31   
707-346 3 SNRTCAHFDS0  433E SONIC TELECOM, LLC - CA 722   2012-12-22   
707-346 4 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2012-12-31   
707-346 5 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2013-01-10   
707-346 6 SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722   2013-01-17   
707-346 7 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2013-05-04   
707-346 8 SNVACAHZ0MD  508J CENTURYLINK COMMUNICATIONS, LLC 722   2013-06-25   
707-346 9 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2015-06-10   
707-363 A CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
707-492 A SNJUCACLDS1  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722      
707-492 0 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2014-08-09   
707-492 1 SNJUCACLDS1  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722   2013-04-29   
707-492 2 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2013-10-21   
707-492 3 OKLDCA03XOY  318J COMCAST IP PHONE, LLC 722   2013-10-21   
707-492 4 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2013-11-14   
707-492 5 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2015-05-17   
707-492 6 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2015-10-10   
707-492 7 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2014-08-12   
707-492 8 SNFCCA01XGX  516C AT&T CORP. 722   2014-07-21   
707-492 9 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2014-04-03   
707-501 A   515J IP HORIZON LLC 722      
707-501 0 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2013-09-07   
707-501 1   515J IP HORIZON LLC 722      
707-501 2   515J IP HORIZON LLC 722      
707-501 3 OKLECAZV1MD  5562 METROPCS, INC. 722   2009-05-18   
707-501 4   515J IP HORIZON LLC 722      
707-501 5 HYWRCAMCDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 722   2008-07-24   
707-501 6 SNFCCAMKX6Y  515J IP HORIZON LLC 722   2021-05-01   
707-501 7 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2007-08-13   
707-501 8 CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2008-05-29   
707-501 9 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2008-07-07   
707-603 A SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
707-603 0   145J TERRA NOVA TELECOM INC. 722   2025-04-28   
707-603 1 SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
707-603 2 SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
707-603 3 SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
707-603 4 SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
707-603 5 OKLECAZV1MD  5562 METROPCS, INC. 722   2011-04-28   
707-603 6 SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
707-603 7 SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
707-603 8 SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
707-603 9 CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2011-08-25   
707-637 A CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
707-637 0 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2008-07-07   
707-637 1 CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
707-637 2 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2008-05-19   
707-637 3 CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2004-01-06   
707-637 4 SNFCCA01XGX  516C AT&T CORP. 722   2006-06-30   
707-637 5 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2008-05-19   
707-637 6 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2007-09-16   
707-637 7 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2007-11-16   
707-637 8 HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722   2006-07-09   

<< 1 2 3 4 >>

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.