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.

Sunnyvale, CA

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

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
408-548 1 SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
408-548 2 SNVACA11DS0  9740 PACIFIC BELL 722      
408-548 3 SNVACA11DS0  9740 PACIFIC BELL 722      
408-548 4 SNVACA11DS0  9740 PACIFIC BELL 722      
408-548 5 SNVACA11DS0  9740 PACIFIC BELL 722      
408-548 6 SNVACA11DS0  9740 PACIFIC BELL 722      
408-548 7 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      
408-548 8 SNVACA11DS0  9740 PACIFIC BELL 722      
408-548 9 SNVACA11DS0  9740 PACIFIC BELL 722      
408-584 A SNVACA01DS1  9740 PACIFIC BELL 722      
408-585 A SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
408-585 0 SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
408-585 1 SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
408-585 2 SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
408-585 3 SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
408-585 4 SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
408-585 5 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      
408-585 6 SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
408-585 7 SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
408-585 8 OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
408-585 9 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      
408-593 A   6529 T-MOBILE USA, INC. 722      
408-593 0   5562 METROPCS, INC. 722      
408-593 1 OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
408-593 2 OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
408-593 3 OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
408-593 4 OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
408-593 5 OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
408-593 6 OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
408-593 7 OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
408-593 8 OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
408-593 9 OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
408-594 A   5562 METROPCS, INC. 722      
408-594 0   5562 METROPCS, INC. 722      
408-594 1 OKLECAZVGT0  5562 METROPCS, INC. 722      
408-594 2 OKLECAZVGT0  5562 METROPCS, INC. 722      
408-594 3 OKLECAZVGT0  5562 METROPCS, INC. 722      
408-594 4 OKLECAZVGT0  5562 METROPCS, INC. 722      
408-594 5 SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
408-594 6 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
408-594 7   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
408-594 8 OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
408-594 9 SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
408-598 A HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
408-598 0 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
408-598 1 SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
408-598 2 SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
408-598 3 SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
408-598 4 SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
408-598 5 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
408-598 6 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
408-598 7 OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
408-598 8 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
408-598 9 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
408-604 A   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
408-604 0 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      
408-604 1 FRMTCAEDDS2  7262 XO CALIFORNIA, INC. 722      
408-604 2   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
408-604 3 SNJUCACLDS1  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722      
408-604 4 SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
408-604 5 OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
408-604 6   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
408-604 7   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
408-604 8   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
408-604 9 SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
408-616 A SNVACA01DS1  9740 PACIFIC BELL 722      
408-616 0 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
408-616 1 SNVACA01DS1  9740 PACIFIC BELL 722      
408-616 2 SNVACA01DS1  9740 PACIFIC BELL 722      
408-616 3 SNVACA01DS1  9740 PACIFIC BELL 722      
408-616 4 SNVACA01DS1  9740 PACIFIC BELL 722      
408-616 5 SNVACA01DS1  9740 PACIFIC BELL 722      
408-616 6 SNVACA01DS1  9740 PACIFIC BELL 722      
408-616 7 SNVACA01DS1  9740 PACIFIC BELL 722      
408-616 8 SNVACA01DS1  9740 PACIFIC BELL 722      
408-616 9 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
408-617 A SNVACA01DS1  9740 PACIFIC BELL 722      
408-617 0 SNVACA01DS1  9740 PACIFIC BELL 722      
408-617 1 SNVACA01DS1  9740 PACIFIC BELL 722      
408-617 2 SNVACA01DS1  9740 PACIFIC BELL 722      
408-617 3 SNVACA01DS1  9740 PACIFIC BELL 722      
408-617 4 OKLDCAMP1MD  4733 PAETEC COMMUNICATIONS, INC. - CA 722      
408-617 5 SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
408-617 7 SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
408-617 8 SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
408-617 9 SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
408-636 A HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
408-636 0 HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
408-636 1 HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
408-636 2 SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
408-636 3 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
408-636 4 HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
408-636 5 HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
408-636 6 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
408-636 7 SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
408-636 8 OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
408-636 9 HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
408-663 A HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
408-663 0 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
408-663 1 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      

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

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.