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.

NPA: 510 [Rate centres in NPA 510] [Dial plan for NPA 510]

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
510-493 7 Fremont-Newark: Main DA CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2005-05-14   
510-493 8 Fremont-Newark: Main DA CA OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2006-08-06   
510-493 9 Fremont-Newark: Main DA CA HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
510-494 A Fremont-Newark: Main DA CA FRMTCA11DS0  9740 PACIFIC BELL 722      
510-495 A Oakland: Berkeley DA CA BKLYCA01DS0  9740 PACIFIC BELL 722      
510-495 0 Oakland: Berkeley DA CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2010-10-28   
510-495 1 Oakland: Berkeley DA CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2007-04-28   
510-495 2 Oakland: Berkeley DA CA BKLYCA01DS0  9740 PACIFIC BELL 722      
510-495 3 Oakland: Berkeley DA CA BKLYCA01DS0  9740 PACIFIC BELL 722      
510-495 4 Oakland: Berkeley DA CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2004-09-10   
510-495 5 Oakland: Berkeley DA CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2004-09-10   
510-495 6 Oakland: Berkeley DA CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2005-03-22   
510-495 7 Oakland: Berkeley DA CA OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2006-01-23   
510-495 8 Oakland: Berkeley DA CA BKLYCA01DS0  9740 PACIFIC BELL 722      
510-495 9 Oakland: Berkeley DA CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2012-06-28   
510-496 A Oakland: Main-Piedmont DA CA SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
510-496 0 Oakland: Main-Piedmont DA CA SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
510-496 1 Oakland: Main-Piedmont DA CA SNFCCA01GT0  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2016-11-10   
510-496 2 Oakland: Main-Piedmont DA CA SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
510-496 3 Oakland: Main-Piedmont DA CA HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722   2012-07-20   
510-496 4 Oakland: Main-Piedmont DA CA HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722   2012-07-20   
510-496 5 Oakland: Main-Piedmont DA CA SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
510-496 6 Oakland: Main-Piedmont DA CA SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
510-496 7 Oakland: Main-Piedmont DA CA SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
510-496 8 Oakland: Main-Piedmont DA CA SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
510-496 9 Oakland: Main-Piedmont DA CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2019-07-02   
510-497 A Fremont-Newark: Oliver DA CA HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
510-497 0 Fremont-Newark: Oliver DA CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2010-06-21   
510-497 1 Fremont-Newark: Oliver DA CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2014-10-10   
510-497 2 Fremont-Newark: Oliver DA CA HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
510-497 3 Fremont-Newark: Oliver DA CA HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
510-497 4 Fremont-Newark: Oliver DA CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2014-10-10   
510-497 5 Fremont-Newark: Oliver DA CA HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
510-497 6 Fremont-Newark: Oliver DA CA HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
510-497 7 Fremont-Newark: Oliver DA CA HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
510-497 8 Fremont-Newark: Oliver DA CA HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
510-497 9 Fremont-Newark: Oliver DA CA HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
510-498 A Fremont-Newark: Oliver DA CA FRMTCA12DS0  9740 PACIFIC BELL 722      
510-498 0 Fremont-Newark: Oliver DA CA FRMTCA12DS0  9740 PACIFIC BELL 722      
510-498 1 Fremont-Newark: Oliver DA CA FRMTCA12DS0  9740 PACIFIC BELL 722      
510-498 2 Fremont-Newark: Oliver DA CA FRMTCA12DS0  9740 PACIFIC BELL 722      
510-498 3 Fremont-Newark: Oliver DA CA FRMTCA12DS0  9740 PACIFIC BELL 722      
510-498 4 Fremont-Newark: Oliver DA CA FRMTCA12DS0  9740 PACIFIC BELL 722      
510-498 5 Fremont-Newark: Oliver DA CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2022-12-17   
510-498 6 Fremont-Newark: Oliver DA CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2022-12-17   
510-498 7 Fremont-Newark: Oliver DA CA FRMTCA12DS0  9740 PACIFIC BELL 722      
510-498 8 Fremont-Newark: Oliver DA CA FRMTCA12DS0  9740 PACIFIC BELL 722      
510-498 9 Fremont-Newark: Oliver DA CA SNFCCAMKX1X  9262 UTILITY TELECOM GROUP, LLC - CA 722      
510-499 A Oakland: Main-Piedmont DA CA SNFCCA01GT0  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
510-500 A Oakland: Fruitvale DA CA HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
510-500 0 Oakland: Fruitvale DA CA HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
510-500 1 Oakland: Fruitvale DA CA HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
510-500 2 Oakland: Fruitvale DA CA OKLECAZV1MD  5562 METROPCS, INC. 722   2012-08-03   
510-500 3 Oakland: Fruitvale DA CA OKLDCA03XOY  318J COMCAST IP PHONE, LLC 722   2011-09-26   
510-500 4 Oakland: Fruitvale DA CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2006-03-05   
510-500 5 Oakland: Fruitvale DA CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2011-05-07   
510-500 6 Oakland: Fruitvale DA CA OKLECAZV1MD  5562 METROPCS, INC. 722   2012-08-03   
510-500 7 Oakland: Fruitvale DA CA OKLECAZV1MD  5562 METROPCS, INC. 722   2012-02-23   
510-500 8 Oakland: Fruitvale DA CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2012-03-05   
510-500 9 Oakland: Fruitvale DA CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2012-07-22   
510-501 A Oakland: Main-Piedmont DA CA SNFCCA01GT0  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
510-502 A Oakland: Main-Piedmont DA CA SNFCCA01GT0  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
510-503 A Oakland: Main-Piedmont DA CA SNFCCAMKX1X  9262 UTILITY TELECOM GROUP, LLC - CA 722      
510-504 A Oakland: Main-Piedmont DA CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
510-505 A Fremont-Newark: Main DA CA FRMTCA11DS0  9740 PACIFIC BELL 722      
510-505 0 Fremont-Newark: Main DA CA FRMTCA11DS0  9740 PACIFIC BELL 722      
510-505 1 Fremont-Newark: Main DA CA FRMTCA11DS0  9740 PACIFIC BELL 722      
510-505 2 Fremont-Newark: Main DA CA FRMTCA11DS0  9740 PACIFIC BELL 722      
510-505 3 Fremont-Newark: Main DA CA FRMTCA11DS0  9740 PACIFIC BELL 722      
510-505 4 Fremont-Newark: Main DA CA SNFCCA01GT0  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2010-07-11   
510-505 5 Fremont-Newark: Main DA CA FRMTCA11DS0  9740 PACIFIC BELL 722      
510-505 6 Fremont-Newark: Main DA CA FRMTCA11DS0  9740 PACIFIC BELL 722      
510-505 7 Fremont-Newark: Main DA CA FRMTCA11DS0  9740 PACIFIC BELL 722      
510-505 8 Fremont-Newark: Main DA CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2019-08-04   
510-505 9 Fremont-Newark: Main DA CA FRMTCA11DS0  9740 PACIFIC BELL 722      
510-506 A Oakland: Main-Piedmont DA CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
510-506 0 Oakland: Main-Piedmont DA CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
510-506 1 Oakland: Main-Piedmont DA CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
510-506 2 Oakland: Main-Piedmont DA CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
510-506 3 Oakland: Main-Piedmont DA CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
510-506 4 Oakland: Main-Piedmont DA CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
510-506 5 Oakland: Main-Piedmont DA CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
510-506 6 Oakland: Main-Piedmont DA CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
510-506 7 Oakland: Main-Piedmont DA CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2015-08-30   
510-506 8 Oakland: Main-Piedmont DA CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
510-506 9 Oakland: Main-Piedmont DA CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
510-507 A Oakland: Main-Piedmont DA CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
510-507 0 Oakland: Main-Piedmont DA CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
510-507 1 Oakland: Main-Piedmont DA CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
510-507 2 Oakland: Main-Piedmont DA CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
510-507 3 Oakland: Main-Piedmont DA CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
510-507 4 Oakland: Main-Piedmont DA CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
510-507 5 Oakland: Main-Piedmont DA CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
510-507 6 Oakland: Main-Piedmont DA CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
510-507 7 Oakland: Main-Piedmont DA CA SNJUCACLDS1  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722   2016-07-30   
510-507 8 Oakland: Main-Piedmont DA CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
510-507 9 Oakland: Main-Piedmont DA CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
510-508 A Oakland: Main-Piedmont DA CA SNFCCA01GT0  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
510-509 A Fremont-Newark: Main DA CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
510-509 0 Fremont-Newark: Main DA CA SNFCCA01GT0  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2010-09-16   

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 >>

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.