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
408-203 A SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
408-212 A HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
408-212 0 SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
408-212 1 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
408-212 2 HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
408-212 3 HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
408-212 4 OKLDCA03XOY  318J COMCAST IP PHONE, LLC 722      
408-212 5 SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
408-212 6 HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
408-212 7 SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
408-212 8 HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
408-212 9 HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
408-215 A SNJSCARMDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 722      
408-215 0 SNJSCARMDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 722      
408-215 1 SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
408-215 2 SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
408-215 3 SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
408-215 4 SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
408-215 5 SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
408-215 6 SNJSCARMDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 722      
408-215 7 SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
408-215 8 OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
408-215 9 SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
408-220 A HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
408-220 0 HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
408-220 1 HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
408-220 2 HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
408-220 3 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
408-220 4 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
408-220 5 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
408-220 6 HYWRCAMCDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 722      
408-220 7 HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
408-220 8 HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
408-220 9 HYWRCAMCDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 722      
408-222 A HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
408-230 A   6529 T-MOBILE USA, INC. 722      
408-230 0   5562 METROPCS, INC. 722      
408-230 1   5562 METROPCS, INC. 722      
408-230 2   5562 METROPCS, INC. 722      
408-230 3 OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
408-230 4   5562 METROPCS, INC. 722      
408-230 5 OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
408-230 6 OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
408-230 7 OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
408-230 8 OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
408-230 9   5562 METROPCS, INC. 722      
408-242 A SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
408-245 A SNVACA01DS1  9740 PACIFIC BELL 722      
408-290 A SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      
408-290 0 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      
408-290 1 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      
408-290 2 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      
408-290 3 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      
408-290 4 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      
408-290 5 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      
408-290 6 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      
408-290 7 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      
408-290 8 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      
408-290 9 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      
408-306 A SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
408-306 0 SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
408-306 1 SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
408-306 2 SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
408-306 3 SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
408-306 4 SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
408-306 5 SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
408-306 6 SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
408-306 7 SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
408-306 8 SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
408-306 9 SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
408-328 A SNVACA01DS1  9740 PACIFIC BELL 722      
408-329 A SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
408-329 0 OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
408-329 1 SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
408-329 2 OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
408-329 3 OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
408-329 4 SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
408-329 5 SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
408-329 6 SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
408-329 7 SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
408-329 8 OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
408-329 9 SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
408-331 A HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
408-336 A SNVACA11DS0  9740 PACIFIC BELL 722      
408-336 0 SNVACA11DS0  9740 PACIFIC BELL 722      
408-336 1 SNVACA11DS0  9740 PACIFIC BELL 722      
408-336 2 SNVACA11DS0  9740 PACIFIC BELL 722      
408-336 3 SNVACA11DS0  9740 PACIFIC BELL 722      
408-336 4 SNVACA11DS0  9740 PACIFIC BELL 722      
408-336 5 SNVACA11DS0  9740 PACIFIC BELL 722      
408-336 6 SNVACA11DS0  9740 PACIFIC BELL 722      
408-336 7 SNVACA11DS0  9740 PACIFIC BELL 722      
408-336 8 SNVACA11DS0  9740 PACIFIC BELL 722      
408-336 9 SNVACA11DS0  9740 PACIFIC BELL 722      
408-338 A SNVACA11DS0  9740 PACIFIC BELL 722      
408-338 0 SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
408-338 1 SNVACA11DS0  9740 PACIFIC BELL 722      
408-338 2 SNVACA11DS0  9740 PACIFIC BELL 722      
408-338 3 SNVACA11DS0  9740 PACIFIC BELL 722      
408-338 4 SNVACA11DS0  9740 PACIFIC BELL 722      

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

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.