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: West DA, CA

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
408-549 3 OKLDCA03XOY  318J COMCAST IP PHONE, LLC 722   2020-10-15   
408-549 4 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2020-09-21   
408-549 5 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2020-09-21   
408-549 6 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2020-09-21   
408-549 7 SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
408-549 8 SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
408-549 9 SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
408-550 A SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
408-550 0 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2020-08-12   
408-550 1 SNJUCACLDS1  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722   2011-11-14   
408-550 2 SNFCCAMKX1X  9262 UTILITY TELECOM GROUP, LLC - CA 722   2006-04-17   
408-550 3 SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2006-05-13   
408-550 4 SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2006-05-13   
408-550 5 SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2006-05-13   
408-550 6 SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2008-01-29   
408-550 7 SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2010-07-05   
408-550 8 SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722   2008-11-25   
408-550 9 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2008-03-04   
408-551 A SNTCCA11DS1  9740 PACIFIC BELL 722      
408-551 0 SNTCCA11DS1  9740 PACIFIC BELL 722      
408-551 1 SNTCCA11DS1  9740 PACIFIC BELL 722      
408-551 2 SNTCCA11DS1  9740 PACIFIC BELL 722      
408-551 3 SNTCCA11DS1  9740 PACIFIC BELL 722      
408-551 4 SNTCCA11DS1  9740 PACIFIC BELL 722      
408-551 5 SNTCCA11DS1  9740 PACIFIC BELL 722      
408-551 6 SNTCCA11DS1  9740 PACIFIC BELL 722      
408-551 7 SNTCCA11DS1  9740 PACIFIC BELL 722      
408-551 8 OKLECAZV1MD  5562 METROPCS, INC. 722   2004-04-07   
408-551 9 OKLECAZV1MD  5562 METROPCS, INC. 722   2004-04-07   
408-552 A SNFCCA21XEZ  6630 USA MOBILITY WIRELESS, INC. 722      
408-553 A SNTCCA11DS1  9740 PACIFIC BELL 722      
408-554 A SNTCCA11DS1  9740 PACIFIC BELL 722      
408-556 A SNTCCA11DS0  9740 PACIFIC BELL 722      
408-556 0 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2018-05-28   
408-556 1 SNTCCA11DS0  9740 PACIFIC BELL 722      
408-556 2 SNTCCA11DS0  9740 PACIFIC BELL 722      
408-556 3 SNTCCA11DS0  9740 PACIFIC BELL 722      
408-556 4 SNJSCA02DS4  7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722   2005-11-06   
408-556 5 SNTCCA11DS0  9740 PACIFIC BELL 722      
408-556 6 SNTCCA11DS0  9740 PACIFIC BELL 722      
408-556 7 SNTCCA11DS0  9740 PACIFIC BELL 722      
408-556 8 SNTCCA11DS0  9740 PACIFIC BELL 722      
408-556 9 SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2006-09-06   
408-557 A SNTCCA11DS0  9740 PACIFIC BELL 722      
408-557 0 SNTCCA11DS0  9740 PACIFIC BELL 722      
408-557 1 SNTCCA11DS0  9740 PACIFIC BELL 722      
408-557 2 SNTCCA11DS0  9740 PACIFIC BELL 722      
408-557 3 SNTCCA11DS0  9740 PACIFIC BELL 722      
408-557 4 SNTCCA11DS0  9740 PACIFIC BELL 722      
408-557 5 SNTCCA11DS0  9740 PACIFIC BELL 722      
408-557 6 SNTCCA11DS0  9740 PACIFIC BELL 722      
408-557 7 SNFCCA21XNZ  624H ONVOY SPECTRUM, LLC 722   2023-09-15   
408-557 8 SNTCCA11DS0  9740 PACIFIC BELL 722      
408-557 9 SNTCCA11DS0  9740 PACIFIC BELL 722      
408-561 A OKLECAZV1MD  5562 METROPCS, INC. 722      
408-562 A SNTCCA01DS1  9740 PACIFIC BELL 722      
408-563 A SNTCCA01DS1  9740 PACIFIC BELL 722      
408-564 A OKLDCA03XOY  318J COMCAST IP PHONE, LLC 722      
408-564 0 OKLDCA03XOY  318J COMCAST IP PHONE, LLC 722      
408-564 1 SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2005-08-30   
408-564 2 SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2005-08-30   
408-564 3 SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2005-08-30   
408-564 4 OKLDCA03XOY  318J COMCAST IP PHONE, LLC 722      
408-564 5 OKLDCA03XOY  318J COMCAST IP PHONE, LLC 722      
408-564 6 OKLDCA03XOY  318J COMCAST IP PHONE, LLC 722      
408-564 7 OKLDCA03XOY  318J COMCAST IP PHONE, LLC 722      
408-564 8 OKLDCA03XOY  318J COMCAST IP PHONE, LLC 722   2009-02-15   
408-564 9 SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2005-08-30   
408-565 A SNTCCA01DS1  9740 PACIFIC BELL 722      
408-565 0 SNTCCA01DS1  9740 PACIFIC BELL 722      
408-565 1 SNTCCA01DS1  9740 PACIFIC BELL 722      
408-565 2 SNTCCA01DS1  9740 PACIFIC BELL 722      
408-565 3 SNTCCA01DS1  9740 PACIFIC BELL 722      
408-565 4 SNTCCA01DS1  9740 PACIFIC BELL 722      
408-565 5 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2005-09-01   
408-565 6 SNTCCA01DS1  9740 PACIFIC BELL 722      
408-565 7 SNTCCA01DS1  9740 PACIFIC BELL 722      
408-565 8 SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2006-06-02   
408-565 9 SNTCCA01DS1  9740 PACIFIC BELL 722      
408-566 A SNTCCA01DS1  9740 PACIFIC BELL 722      
408-567 A SNTCCA01DS1  9740 PACIFIC BELL 722      
408-567 0 SNTCCA01DS1  9740 PACIFIC BELL 722      
408-567 1 OKLDCA03XOY  318J COMCAST IP PHONE, LLC 722   2020-10-12   
408-567 2 SNTCCA01DS1  9740 PACIFIC BELL 722      
408-567 3 SNTCCA01DS1  9740 PACIFIC BELL 722      
408-567 4 SNTCCA01DS1  9740 PACIFIC BELL 722      
408-567 5 SNTCCA01DS1  9740 PACIFIC BELL 722      
408-567 6 SNTCCA01DS1  9740 PACIFIC BELL 722      
408-567 7 SNTCCA01DS1  9740 PACIFIC BELL 722      
408-567 8 SNTCCA01DS1  9740 PACIFIC BELL 722      
408-567 9 SNTCCA01DS1  9740 PACIFIC BELL 722      
408-568 A HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
408-569 A OKLECAZV1MD  6529 T-MOBILE USA, INC. 722      
408-569 0 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722      
408-569 1 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722      
408-569 2 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722      
408-569 3 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722      
408-569 4 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722      
408-569 5 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722      
408-569 6 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722      

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 >>

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

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.