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]

NXX: 988

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
858-988 A San Diego: San Diego DA CA SNDGCA0263Z  965H FRACTEL, LLC 732      
858-988 0 San Diego: San Diego DA CA SNDGCADV1MD  5562 METROPCS, INC. 732      
858-988 1 San Diego: San Diego DA CA SNDGCAJWDS0  649C ONVOY, LLC - CA 732      
858-988 2 San Diego: San Diego DA CA SNDGCA0268Z  318J COMCAST IP PHONE, LLC 732      
858-988 3 San Diego: San Diego DA CA SNDGCAJWDS0  649C ONVOY, LLC - CA 732      
858-988 4 San Diego: San Diego DA CA SNDGCA02XSZ  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 732      
858-988 5 San Diego: San Diego DA CA SNDGCAJWDS0  649C ONVOY, LLC - CA 732      
858-988 6 San Diego: San Diego DA CA SNDGCAJWDS0  649C ONVOY, LLC - CA 732      
858-988 7 San Diego: San Diego DA CA SNDGCAJWDS0  649C ONVOY, LLC - CA 732      
858-988 8 San Diego: San Diego DA CA SNDGCA0263Z  965H FRACTEL, LLC 732      
858-988 9 San Diego: San Diego DA CA SNDGCADV1MD  5562 METROPCS, INC. 732      

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.