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.

Rancho Bernardo, CA

1 2 3 4 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
858-207 A SNDACA96DS0  7147 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 732      
858-207 0 SNDACA96DS0  7147 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 732      
858-207 1 SNDACA96DS0  7147 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 732      
858-207 2 SNDACA96DS0  7147 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 732      
858-207 3 SNDACAGLDS2  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 732      
858-207 4 SNDACAGLDS2  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 732      
858-207 5 SNDACA96DS0  7147 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 732      
858-207 6 SNDACAGLDS2  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 732      
858-207 7 ESCNCAKYGT0  6529 T-MOBILE USA, INC. 732      
858-207 8 ESCNCAKYGT0  6529 T-MOBILE USA, INC. 732      
858-207 9 SNDACA96DS0  7147 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 732      
858-217 A SNDKCA882MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 732      
858-217 0 SNDKCA882MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 732      
858-217 1 SNDKCA882MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 732      
858-217 2 SNDKCA882MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 732      
858-217 3 SNDKCA882MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 732      
858-217 4 SNDACAGLDS2  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 732      
858-217 5 SNDACAGLDS2  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 732      
858-217 6 SNDGCA0241Z  576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 732      
858-217 7 SNDGCA51CM3  6010 NEW CINGULAR WIRELESS PCS, LLC 732      
858-217 8 SNDKCA882MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 732      
858-217 9 SNDKCA882MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 732      
858-234 A SNDJCAHGDS0  7894 NORTH COUNTY COMMUNICATION CORPORATION - CA 732      
858-304 A SNDGCA07DS1  7421 AT&T - LOCAL 732      
858-304 0 SNDGCA02XIZ  981E BANDWIDTH.COM CLEC, LLC - CA 732      
858-304 1 SNDACAGLDS2  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 732      
858-304 2 SNDGCAJWDS0  649C ONVOY, LLC - CA 732      
858-304 3   7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 732      
858-304 4 SNDGCAJWDS0  649C ONVOY, LLC - CA 732      
858-304 5 SNDGCAJWDS0  649C ONVOY, LLC - CA 732      
858-304 6 SNDGCAJWDS0  649C ONVOY, LLC - CA 732      
858-304 7 SNDGCAJWDS0  649C ONVOY, LLC - CA 732      
858-304 8 SNDGCAJWDS0  649C ONVOY, LLC - CA 732      
858-304 9 SNDGCA07DS1  7421 AT&T - LOCAL 732      
858-312 A SNDGCA0268Z  318J COMCAST IP PHONE, LLC 732      
858-312 0 SNDGCA51CM3  6010 NEW CINGULAR WIRELESS PCS, LLC 732      
858-312 1 SNDGCA0268Z  318J COMCAST IP PHONE, LLC 732      
858-312 2 SNDGCA0284Z  4733 PAETEC COMMUNICATIONS, INC. - CA 732      
858-312 3 SNDGCA0284Z  4733 PAETEC COMMUNICATIONS, INC. - CA 732      
858-312 4 SNDGCA0284Z  4733 PAETEC COMMUNICATIONS, INC. - CA 732      
858-312 5 SNDGCA0268Z  318J COMCAST IP PHONE, LLC 732      
858-312 6 SNDGCA0268Z  318J COMCAST IP PHONE, LLC 732      
858-312 7 SNDICAETDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 732      
858-312 8 SNDGCA0268Z  318J COMCAST IP PHONE, LLC 732      
858-312 9 SNDGCA51CM3  6010 NEW CINGULAR WIRELESS PCS, LLC 732      
858-376 A SNDKCA882MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 732      
858-376 0 SNDKCA882MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 732      
858-376 1 SNDKCA882MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 732      
858-376 2 SNDKCA882MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 732      
858-376 3 SNDGCA02XIZ  981E BANDWIDTH.COM CLEC, LLC - CA 732      
858-376 4 SNDGCAJWDS0  649C ONVOY, LLC - CA 732      
858-376 5 SNDGCAJWDS0  649C ONVOY, LLC - CA 732      
858-376 6 SNDGCA0268Z  318J COMCAST IP PHONE, LLC 732      
858-376 7 SNDGCA02XIZ  981E BANDWIDTH.COM CLEC, LLC - CA 732      
858-376 8 SNDGCA0268Z  318J COMCAST IP PHONE, LLC 732      
858-376 9 SNDGCA51CM3  6010 NEW CINGULAR WIRELESS PCS, LLC 732      
858-385 A RBRNCA11DS0  9740 PACIFIC BELL 732      
858-432 A SNDKCA882MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 732      
858-432 0 SNDKCA882MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 732      
858-432 1 SNDGCA0241Z  576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 732      
858-432 2 SNDGCA02XIZ  981E BANDWIDTH.COM CLEC, LLC - CA 732      
858-432 3 SNDGCA02XIZ  981E BANDWIDTH.COM CLEC, LLC - CA 732      
858-432 4 SNDGCA0241Z  576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 732      
858-432 5 SNDKCA882MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 732      
858-432 6 SNDGCA02XIZ  981E BANDWIDTH.COM CLEC, LLC - CA 732      
858-432 7 SNDKCA882MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 732      
858-432 8 SNDGCA51CM3  6010 NEW CINGULAR WIRELESS PCS, LLC 732      
858-432 9 SNDGCA51CM3  6010 NEW CINGULAR WIRELESS PCS, LLC 732      
858-451 A RBRNCA11DS0  9740 PACIFIC BELL 732      
858-451 0 RBRNCA11DS0  9740 PACIFIC BELL 732      
858-451 1 RBRNCA11DS0  9740 PACIFIC BELL 732      
858-451 2 RBRNCA11DS0  9740 PACIFIC BELL 732      
858-451 3 RBRNCA11DS0  9740 PACIFIC BELL 732      
858-451 4 SNDGCA02XIZ  981E BANDWIDTH.COM CLEC, LLC - CA 732      
858-451 5 RBRNCA11DS0  9740 PACIFIC BELL 732      
858-451 6 RBRNCA11DS0  9740 PACIFIC BELL 732      
858-451 7 RBRNCA11DS0  9740 PACIFIC BELL 732      
858-451 8 RBRNCA11DS0  9740 PACIFIC BELL 732      
858-451 9 RBRNCA11DS0  9740 PACIFIC BELL 732      
858-472 A SNDICAETAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 732      
858-472 0 SNDICAETAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 732      
858-472 1 SNDICAETAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 732      
858-472 2 SNDICAETAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 732      
858-472 3 SNDICAETAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 732      
858-472 4 SNDICAETAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 732      
858-472 5 SNDICAETAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 732      
858-472 6 SNDICAETAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 732      
858-472 7 SNDICAETAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 732      
858-472 8 SNDICAETAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 732      
858-472 9 SNDICAETAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 732      
858-485 A RBRNCA11DS0  9740 PACIFIC BELL 732      
858-487 A RBRNCA11DS0  9740 PACIFIC BELL 732      
858-521 A RBRNCA11DS0  9740 PACIFIC BELL 732      
858-521 0 RBRNCA11DS0  9740 PACIFIC BELL 732      
858-521 1 RBRNCA11DS0  9740 PACIFIC BELL 732      
858-521 2 RBRNCA11DS0  9740 PACIFIC BELL 732      
858-521 3 RBRNCA11DS0  9740 PACIFIC BELL 732      
858-521 4 RBRNCA11DS0  9740 PACIFIC BELL 732      
858-521 5 RBRNCA11DS0  9740 PACIFIC BELL 732      
858-521 6 RBRNCA11DS0  9740 PACIFIC BELL 732      

1 2 3 4 >>

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

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.