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.

NPA: 858 [Rate centres in NPA 858] [Dial plan for NPA 858]

Block: A

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

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
858-733 A Rancho Penasquitos CA ESCNCAKYGT0  6529 T-MOBILE USA, INC. 732      
858-735 A Poway CA SNDICAETAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 732      
858-736 A La Jolla CA SNDHCAAXJMD  7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 732      
858-737 A San Diego: Linda Vista DA CA SNDICAETDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 732      
858-740 A San Diego: Mira Mesa DA CA SNDGCA07DS1  7421 AT&T - LOCAL 732      
858-742 A San Diego: Linda Vista DA CA SNDGCA0266Z  516J TON80 COMMUNICATIONS, LLC 732      
858-744 A San Diego: San Diego DA CA SNDGCA0263Z  965H FRACTEL, LLC 732      
858-746 A Poway CA SNDHCAAXJMD  7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 732      
858-748 A Poway CA POWYCA11DS0  9740 PACIFIC BELL 732      
858-750 A La Jolla CA SNDICAETAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 732      
858-751 A San Diego: Linda Vista DA CA SNDKCA882MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 732      
858-752 A La Jolla CA ESCNCAKYGT0  6529 T-MOBILE USA, INC. 732      
858-753 A Rancho Bernardo CA SNDICAETDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 732      
858-754 A La Jolla CA SNDHCAAXJMD  7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 732      
858-755 A Del Mar CA DLMRCA12DS0  9740 PACIFIC BELL 732      
858-756 A Rancho Santa Fe CA RSFECA12DS0  9740 PACIFIC BELL 732      
858-757 A San Diego: Mira Mesa DA CA SNDGCAJWDS0  649C ONVOY, LLC - CA 732      
858-758 A El Cajon CA SNDGCA0263Z  965H FRACTEL, LLC 732      
858-759 A Rancho Santa Fe CA RSFECA12DS0  9740 PACIFIC BELL 732      
858-761 A San Diego: Mira Mesa DA CA SNDJCA05DS3  7262 XO CALIFORNIA, INC. 732      
858-762 A Poway CA SNDACAGLFMD  8690 GLOBAL CROSSING LOCAL SERVICES, INC. - CA 732      
858-764 A Del Mar CA SNDGCA0284Z  4733 PAETEC COMMUNICATIONS, INC. - CA 732      
858-765 A La Jolla CA SNDGCA02XOZ  7147 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 732      
858-766 A La Jolla CA SNDGCAJWDS0  649C ONVOY, LLC - CA 732      
858-768 A La Jolla CA SNDGCA0268Z  318J COMCAST IP PHONE, LLC 732      
858-769 A San Diego: Linda Vista DA CA SNDGCA023KD  7379 MATRIX TELECOM, LLC. S/I/I TNCI - CA 732      
858-771 A Rancho Santa Fe CA SNDGCA0242Z  516C AT&T CORP. 732      
858-774 A Rancho Bernardo CA SNDGCA51CM3  6010 NEW CINGULAR WIRELESS PCS, LLC 732      
858-775 A La Jolla CA SNDICAETAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 732      
858-776 A Rancho Bernardo CA ESCNCAKYGT0  6529 T-MOBILE USA, INC. 732      
858-777 A La Jolla CA SNDKCA882MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 732      
858-779 A Rancho Santa Fe CA SNDHCAAXJMD  7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 732      
858-780 A Rancho Penasquitos CA RNPSCA11DS0  9740 PACIFIC BELL 732      
858-784 A La Jolla CA SNDGCA15DS1  9740 PACIFIC BELL 732      
858-786 A National City CA SNDGCA0263Z  965H FRACTEL, LLC 732      
858-787 A Pine Valley CA SNDGCA0266Z  516J TON80 COMMUNICATIONS, LLC 732      
858-788 A La Jolla CA SNDGCA0263Z  965H FRACTEL, LLC 732      
858-789 A San Diego: San Diego DA CA SNDGCA0263Z  965H FRACTEL, LLC 732      
858-790 A San Diego: Mira Mesa DA CA SNDACA96DS0  7147 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 732      
858-792 A Del Mar CA DLMRCA12DS0  9740 PACIFIC BELL 732      
858-793 A Del Mar CA DLMRCA12DS0  9740 PACIFIC BELL 732      
858-794 A Del Mar CA DLMRCA12DS0  9740 PACIFIC BELL 732      
858-795 A La Jolla CA SNDACA96DS0  7147 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 732      
858-798 A Rancho Bernardo CA SNDHCAAXJMD  7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 732      
858-799 A La Jolla CA SNDICAETDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 732      
858-800 A San Diego: Mira Mesa DA CA SNDGCA02XIZ  981E BANDWIDTH.COM CLEC, LLC - CA 732      
858-805 A San Diego: Mira Mesa DA CA SNDHCAAXJMD  7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 732      
858-808 A National City CA SNDGCA0263Z  965H FRACTEL, LLC 732      
858-810 A San Diego: Linda Vista DA CA SNDACA96DS0  7147 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 732      
858-812 A La Jolla CA SNDACA96DS0  7147 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 732      

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

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.