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.

Healdsburg, CA

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
369-213 A OKLECAZV1MD  6529 T-MOBILE USA, INC. 722      
369-213 3   6010 NEW CINGULAR WIRELESS PCS, LLC 722      
369-213 4   373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722      
369-213 5   6529 T-MOBILE USA, INC. 722      
369-213 6   6010 NEW CINGULAR WIRELESS PCS, LLC 722      
369-213 7   373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722      
369-213 8 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722      
369-213 9 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722      
707-385 A SNTDCABLPS0  7174 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 722      
707-385 0 SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
707-385 1 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      
707-385 2 SNTDCABLPS0  7174 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 722      
707-385 3 CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
707-385 4 OKLDCA03XOY  318J COMCAST IP PHONE, LLC 722      
707-385 5 SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
707-385 6 CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
707-385 7 SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
707-385 8 SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
707-385 9 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      
707-395 A SNRSCA01KMD  7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
707-395 0 OKLDCA03XOY  318J COMCAST IP PHONE, LLC 722      
707-395 1 OKLDCAMP1MD  4733 PAETEC COMMUNICATIONS, INC. - CA 722      
707-395 2 SNRSCA01KMD  7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
707-395 3 SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
707-395 4   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
707-395 5 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      
707-395 6 SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
707-395 7 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      
707-395 8 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      
707-395 9 SNJUCACL3MD  073H TELNYX LLC 722      
707-431 A HLBGCA11DS0  9740 PACIFIC BELL 722      
707-433 A HLBGCA11DS0  9740 PACIFIC BELL 722      
707-473 A HLBGCA11DS0  9740 PACIFIC BELL 722      
707-473 0 HLBGCA11DS0  9740 PACIFIC BELL 722      
707-473 1   145J TERRA NOVA TELECOM INC. 722      
707-473 2 HLBGCA11DS0  9740 PACIFIC BELL 722      
707-473 3 HLBGCA11DS0  9740 PACIFIC BELL 722      
707-473 4 HLBGCA11DS0  9740 PACIFIC BELL 722      
707-473 5 SNFCCAMKX1X  9262 UTILITY TELECOM GROUP, LLC - CA 722      
707-473 6 SNFCCAMKX6Y  515J IP HORIZON LLC 722      
707-473 7 SNVACAHZ0MD  508J CENTURYLINK COMMUNICATIONS, LLC 722      
707-473 8 OKLDCA03XOY  318J COMCAST IP PHONE, LLC 722      
707-473 9 HLBGCA11DS0  9740 PACIFIC BELL 722      
707-723 A SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2024-01-21   
707-723 0 SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
707-723 1 SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
707-723 2 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      
707-723 3 SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
707-723 4 SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
707-723 5 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      
707-723 6 SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
707-723 7 SNRTCAHFDS0  433E SONIC TELECOM, LLC - CA 722      
707-723 8 SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
707-723 9 SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
707-756 A OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
707-756 0 OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
707-756 1   515J IP HORIZON LLC 722      
707-756 2 OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
707-756 3 OKLDCA03XOY  318J COMCAST IP PHONE, LLC 722      
707-756 4 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      
707-756 5 SNFCCA01XGX  516C AT&T CORP. 722      
707-756 6 CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
707-756 7 SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
707-756 8 SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
707-955 A CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
707-955 0 CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
707-955 1   515J IP HORIZON LLC 722      
707-955 2   515J IP HORIZON LLC 722      
707-955 3 HYWRCAMCDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 722      
707-955 4 CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
707-955 5 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      
707-955 6 CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
707-955 7 SNJUCACLDS1  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722      
707-955 8 SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
707-955 9 CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722      

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

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.