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.

La Jolla, CA

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
858-784 4 SNDHCAAXJMD  7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 732      
858-784 5 SNDGCA15DS1  9740 PACIFIC BELL 732      
858-784 6 SNDGCA15DS1  9740 PACIFIC BELL 732      
858-784 7 SNDGCA15DS1  9740 PACIFIC BELL 732      
858-784 8 SNDGCA15DS1  9740 PACIFIC BELL 732      
858-784 9 SNDGCA15DS1  9740 PACIFIC BELL 732      
858-788 A SNDGCA0263Z  965H FRACTEL, LLC 732      
858-788 0 SNDGCA0255Z  073H TELNYX LLC 732      
858-788 1 SNDGCAJWDS0  649C ONVOY, LLC - CA 732      
858-788 2 SNDGCA0253Z  197D VONAGE AMERICA LLC 732      
858-788 3 SNDGCA0253Z  197D VONAGE AMERICA LLC 732      
858-788 4 SNDGCA0260Z  624H ONVOY SPECTRUM, LLC 732      
858-788 5 SNDGCA0260Z  624H ONVOY SPECTRUM, LLC 732      
858-788 6 SNDGCA0260Z  624H ONVOY SPECTRUM, LLC 732      
858-788 7 SNDGCAJWDS0  649C ONVOY, LLC - CA 732      
858-788 8 SNDGCA0263Z  965H FRACTEL, LLC 732      
858-788 9 SNDGCAJWDS0  649C ONVOY, LLC - CA 732      
858-795 A SNDACA96DS0  7147 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 732      
858-799 A SNDICAETDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 732      
858-799 0 SNDACAGLDS2  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 732      
858-799 1 SNDICAETDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 732      
858-799 2 SNDICAETDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 732      
858-799 3 SNDICAETDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 732      
858-799 4 SNDICAETDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 732      
858-799 5 SNDICAETDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 732      
858-799 6 SNDICAETDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 732      
858-799 7 SNDICAETDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 732      
858-799 8 SNDICAETDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 732      
858-799 9 SNDICAETDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 732      
858-812 A SNDACA96DS0  7147 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 732      
858-822 A SNDGCA15DS0  9740 PACIFIC BELL 732      
858-822 0 SNDGCA15DS0  9740 PACIFIC BELL 732      
858-822 1 SNDGCA15DS0  9740 PACIFIC BELL 732      
858-822 2 SNDGCA15DS0  9740 PACIFIC BELL 732      
858-822 3 SNDGCA15DS0  9740 PACIFIC BELL 732      
858-822 4 SNDGCA15DS0  9740 PACIFIC BELL 732      
858-822 5 SNDGCA15DS0  9740 PACIFIC BELL 732      
858-822 6 SNDGCA15DS0  9740 PACIFIC BELL 732      
858-822 7 SNDGCA15DS0  9740 PACIFIC BELL 732      
858-822 8 SNDICAETAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 732      
858-822 9 SNDICAETAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 732      
858-824 A SNDGCA15DS0  9740 PACIFIC BELL 732      
858-826 A SNDGCA15DS0  9740 PACIFIC BELL 732      
858-845 A SNDHCAAXJMD  7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 732      
858-864 A   6529 T-MOBILE USA, INC. 732      
858-864 0 ESCNCAKYGT0  6529 T-MOBILE USA, INC. 732      
858-864 1 SNDGCA0268Z  318J COMCAST IP PHONE, LLC 732      
858-864 2 ESCNCAKYGT0  6529 T-MOBILE USA, INC. 732      
858-864 3 ESCNCAKYGT0  6529 T-MOBILE USA, INC. 732      
858-864 4 ESCNCAKYGT0  6529 T-MOBILE USA, INC. 732      
858-864 5 ESCNCAKYGT0  6529 T-MOBILE USA, INC. 732      
858-864 6   5562 METROPCS, INC. 732      
858-864 7 ESCNCAKYGT0  6529 T-MOBILE USA, INC. 732      
858-864 8 ESCNCAKYGT0  6529 T-MOBILE USA, INC. 732      
858-864 9   7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 732      
858-866 A SNDKCA882MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 732      
858-866 0 SNDKCA882MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 732      
858-866 1 SNDKCA882MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 732      
858-866 2 SNDKCA882MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 732      
858-866 3 SNDKCA882MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 732      
858-866 4 SNDGCA51CM3  6010 NEW CINGULAR WIRELESS PCS, LLC 732      
858-866 5 SNDKCA882MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 732      
858-866 6 SNDICAETAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 732      
858-866 7 SNDKCA882MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 732      
858-866 8 SNDACAGLDS2  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 732      
858-866 9 SNDACAGLDS2  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 732      
858-869 A SNDKCA882MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 732      
858-869 0 SNDGCA02XIZ  981E BANDWIDTH.COM CLEC, LLC - CA 732      
858-869 1 SNDGCA02XIZ  981E BANDWIDTH.COM CLEC, LLC - CA 732      
858-869 2 SNDGCAJWDS0  649C ONVOY, LLC - CA 732      
858-869 3   5562 METROPCS, INC. 732      
858-869 4 ESCNCAKYGT0  6529 T-MOBILE USA, INC. 732      
858-869 5 SNDICAETAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 732      
858-869 6 SNDKCA882MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 732      
858-869 7 ESCNCAKYGT0  6529 T-MOBILE USA, INC. 732      
858-869 8 SNDKCA882MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 732      
858-869 9 SNDGCA02XIZ  981E BANDWIDTH.COM CLEC, LLC - CA 732      
858-875 A SNDKCA882MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 732      
858-882 A SNDHCAAXJMD  7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 732      
858-882 0 SNDHCAAXJMD  7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 732      
858-882 1 SNDHCAAXJMD  7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 732      
858-882 2 SNDHCAAXJMD  7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 732      
858-882 3 SNDHCAAXJMD  7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 732      
858-882 4 SNDHCAAXJMD  7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 732      
858-882 5 SNDHCAAXJMD  7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 732      
858-882 6 SNDHCAAXJMD  7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 732      
858-882 7 SNDICAETAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 732      
858-882 8 SNDHCAAXJMD  7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 732      
858-882 9 SNDHCAAXJMD  7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 732      
858-886 A SNDGCA64RS0  9740 PACIFIC BELL 732      
858-886 0 SNDGCA64RS0  9740 PACIFIC BELL 732      
858-886 1 SNDGCA64RS0  9740 PACIFIC BELL 732      
858-886 2 SNDGCA64RS0  9740 PACIFIC BELL 732      
858-886 3 SNDGCA64RS0  9740 PACIFIC BELL 732      
858-886 4 SNDGCA64RS0  9740 PACIFIC BELL 732      
858-886 5 SNDGCA64RS0  9740 PACIFIC BELL 732      
858-886 6 SNDICAETAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 732      
858-886 7 SNDGCA0242Z  516C AT&T CORP. 732      
858-886 8 SNDGCAJWDS0  649C ONVOY, LLC - CA 732      
858-886 9 SNDICAETAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 732      

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 >>

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

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.