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.

Orinda, CA

1 2 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
925-253 A ORNDCA11DS0  9740 PACIFIC BELL 722      
925-254 A ORNDCA11DS0  9740 PACIFIC BELL 722      
925-255 A HYWRCAMCDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 722      
925-255 0 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      
925-255 1 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      
925-255 2 HYWRCAMCDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 722      
925-255 3 OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
925-255 4 SNFCCAMKX1X  9262 UTILITY TELECOM GROUP, LLC - CA 722      
925-255 5 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      
925-255 6 OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
925-255 7 SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
925-255 8 HYWRCAMCDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 722      
925-255 9 SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
925-257 A HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
925-257 0 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      
925-257 1 SNJUCACL8MD  145J TERRA NOVA TELECOM INC. 722      
925-257 2 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      
925-257 3 CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
925-257 4 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      
925-257 5 SNFCCA21XPZ  553J WHITESKY COMMUNICATIONS, LLC 722      
925-257 6 SNFCCAMKX9X  073H TELNYX LLC 722      
925-257 7 SNFCCA01XGX  516C AT&T CORP. 722      
925-257 8   515J IP HORIZON LLC 722      
925-257 9 HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
925-258 A ORNDCA11DS0  9740 PACIFIC BELL 722      
925-258 0 ORNDCA11DS0  9740 PACIFIC BELL 722      
925-258 1 ORNDCA11DS0  9740 PACIFIC BELL 722      
925-258 2 SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
925-258 3 ORNDCA11DS0  9740 PACIFIC BELL 722      
925-258 4 ORNDCA11DS0  9740 PACIFIC BELL 722      
925-258 5   145J TERRA NOVA TELECOM INC. 722      
925-258 6 ORNDCA11DS0  9740 PACIFIC BELL 722      
925-258 7 OKLDCA03XKY  624H ONVOY SPECTRUM, LLC 722      
925-258 8 SNJUCACL3MD  073H TELNYX LLC 722      
925-258 9 ORNDCA11DS0  9740 PACIFIC BELL 722      
925-259 A HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
925-259 0 HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
925-259 1 CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
925-259 2 OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
925-259 3 SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
925-259 4 HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
925-259 5 HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
925-259 7 CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
925-259 8 HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
925-259 9 HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
925-317 A SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      
925-317 0   515J IP HORIZON LLC 722      
925-317 1 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      
925-317 2   6529 T-MOBILE USA, INC. 722      
925-317 3 OKLDCA03XOY  318J COMCAST IP PHONE, LLC 722      
925-317 4 OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
925-317 5   515J IP HORIZON LLC 722      
925-317 6 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      
925-317 7 HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
925-317 8 HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
925-317 9 SNRTCAHFDS0  433E SONIC TELECOM, LLC - CA 722      
925-386 A OKLDCA03DS5  7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
925-386 0 OKLDCA03XOY  318J COMCAST IP PHONE, LLC 722      
925-386 1 SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
925-386 2 SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
925-386 3 SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
925-386 4 SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
925-386 5 SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
925-386 6 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      
925-386 7 SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
925-386 8 SNJUCACLDS1  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722      
925-386 9 OKLDCA03DS5  7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
925-402 A HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
925-402 0 HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
925-402 1 SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
925-402 2 OKLDCA03XOY  318J COMCAST IP PHONE, LLC 722      
925-402 3 SNJUCACLDS1  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722      
925-402 4 SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
925-402 5 HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
925-402 6 HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
925-402 8 HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
925-402 9 HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
925-438 A SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
925-438 0 SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
925-438 1 SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
925-438 2 SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
925-438 4 OKLDCAMP1MD  4733 PAETEC COMMUNICATIONS, INC. - CA 722      
925-438 5 SNVACAHZ0MD  508J CENTURYLINK COMMUNICATIONS, LLC 722      
925-438 6 SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
925-438 7 SNJUCACLDS1  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722      
925-438 8 SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
925-438 9 SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
925-528 A   6529 T-MOBILE USA, INC. 722      
925-528 0 SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
925-528 1 CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
925-528 2 SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
925-528 3 SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
925-528 4 SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
925-528 5 SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
925-528 6 OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
925-528 7 SNJUCACLDS1  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722      
925-528 8 OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
925-528 9   5562 METROPCS, INC. 722      
925-885 A OKLDCAAN5MD  7379 MATRIX TELECOM, LLC. S/I/I TNCI - CA 722      
925-885 0 SNFCCAMKDS3  649C ONVOY, LLC - CA 722      

1 2 >>

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

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.