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.

San Jose: North DA, 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
408-202 A HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
408-204 A HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
408-205 A HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
408-206 A HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
408-209 A HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
408-228 A HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
408-228 0 HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
408-228 1 HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
408-228 2 SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2003-10-06   
408-228 3 HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
408-228 4 SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2004-11-14   
408-228 5 HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
408-228 6 HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
408-228 7 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2004-05-08   
408-228 8 HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
408-228 9 HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
408-232 A SNJSCA21DS2  9740 PACIFIC BELL 722      
408-240 A SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
408-251 A SNJSCA11DS0  9740 PACIFIC BELL 722      
408-254 A SNJSCA11DS0  9740 PACIFIC BELL 722      
408-258 A SNJSCA11DS0  9740 PACIFIC BELL 722      
408-259 A SNJSCA11DS0  9740 PACIFIC BELL 722      
408-262 A MLPSCA11DS0  9740 PACIFIC BELL 722      
408-263 A MLPSCA11DS0  9740 PACIFIC BELL 722      
408-272 A SNJSCA11DS0  9740 PACIFIC BELL 722      
408-273 A SNJSCARMDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 722      
408-273 0 SNJSCARMDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 722      
408-273 1 SNJSCARMDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 722      
408-273 2 SNJSCARMDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 722      
408-273 3 HYWRCAMCDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 722      
408-273 4 SNJSCARMDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 722      
408-273 5 SNJSCARMDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 722      
408-273 6 SNJSCARMDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 722      
408-273 7 HYWRCAMCDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 722      
408-273 8   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2006-02-23   
408-273 9 SNJSCARMDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 722      
408-321 A SNJSCA21DS2  9740 PACIFIC BELL 722      
408-324 A SNJSCA21DS2  9740 PACIFIC BELL 722      
408-324 0 SNJSCA21DS2  9740 PACIFIC BELL 722      
408-324 1 SNJSCA21DS2  9740 PACIFIC BELL 722      
408-324 2 SNJSCA21DS2  9740 PACIFIC BELL 722      
408-324 3 SNJSCA21DS2  9740 PACIFIC BELL 722      
408-324 4 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2005-10-28   
408-324 5 SNJSCA21DS2  9740 PACIFIC BELL 722      
408-324 6 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2004-11-14   
408-324 7 SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722   2008-10-16   
408-324 8 SNJSCA21DS2  9740 PACIFIC BELL 722      
408-324 9 SNJSCA21DS2  9740 PACIFIC BELL 722      
408-325 A SNJSCA21DS2  9740 PACIFIC BELL 722      
408-347 A SNJSCA11DS0  9740 PACIFIC BELL 722      
408-372 A SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2025-01-12   
408-372 0 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2008-11-27   
408-372 1 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2008-11-27   
408-372 2 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2008-11-27   
408-372 3   6010 NEW CINGULAR WIRELESS PCS, LLC 722   2025-03-17   
408-372 4   6010 NEW CINGULAR WIRELESS PCS, LLC 722   2025-03-17   
408-372 5   6010 NEW CINGULAR WIRELESS PCS, LLC 722   2025-03-17   
408-372 6 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2009-01-12   
408-372 7 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2009-01-12   
408-372 8 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2009-01-12   
408-372 9 SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722   2010-01-11   
408-382 A SNJSCA21DS1  9740 PACIFIC BELL 722      
408-382 0 SNJSCA21DS1  9740 PACIFIC BELL 722      
408-382 1 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2004-07-22   
408-382 2 SNJSCA21DS1  9740 PACIFIC BELL 722      
408-382 3 SNJSCA21DS1  9740 PACIFIC BELL 722      
408-382 4 SNJSCA21DS1  9740 PACIFIC BELL 722      
408-382 5 SNJSCA21DS1  9740 PACIFIC BELL 722      
408-382 6 SNJSCA21DS1  9740 PACIFIC BELL 722      
408-382 7 SNJSCA21DS1  9740 PACIFIC BELL 722      
408-382 8 SNJSCA21DS1  9740 PACIFIC BELL 722      
408-382 9 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2004-07-30   
408-383 A SNJSCA21DS2  9740 PACIFIC BELL 722      
408-404 A SNJSCAMC1MD  8690 GLOBAL CROSSING LOCAL SERVICES, INC. - CA 722      
408-404 0 SNJSCAMC1MD  8690 GLOBAL CROSSING LOCAL SERVICES, INC. - CA 722      
408-404 1   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
408-404 2 SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
408-404 3   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
408-404 4 SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
408-404 5 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2020-11-25   
408-404 6 SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
408-404 7 SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
408-404 8 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2014-08-23   
408-404 9   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
408-416 A HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
408-416 0 HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
408-416 1 SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2003-12-13   
408-416 2 HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
408-416 3 SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2002-08-28   
408-416 4 HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
408-416 5 HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
408-416 6 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2003-07-06   
408-416 7 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2003-07-06   
408-416 8 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2003-07-06   
408-416 9 SNFCCA21XNZ  624H ONVOY SPECTRUM, LLC 722   2022-05-18   
408-421 A SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
408-424 A SNJSCARMDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 722      
408-428 A SNJSCA21DS2  9740 PACIFIC BELL 722      
408-428 0 SNJSCA21DS2  9740 PACIFIC BELL 722      
408-428 1 SNJSCA21DS2  9740 PACIFIC BELL 722      

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

Last updated: Tue, 15 Jul 2025 18:46:49 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.