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: 818 [Rate centres in NPA 818] [Dial plan for NPA 818]

NXX: 301

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
818-301 A North Hollywood CA LSANCARCD3S  649C ONVOY, LLC - CA 730      
818-301 0 North Hollywood CA LSANCARCD3S  649C ONVOY, LLC - CA 730      
818-301 1 North Hollywood CA LSANCARCD3S  649C ONVOY, LLC - CA 730      
818-301 2 North Hollywood CA LSANCARCD3S  649C ONVOY, LLC - CA 730      
818-301 3 North Hollywood CA LSANCARCD3S  649C ONVOY, LLC - CA 730      
818-301 4 North Hollywood CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730      
818-301 5 North Hollywood CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2005-06-24   
818-301 6 North Hollywood CA   829J PAETEC ITEL, LLC 730   2005-06-20   
818-301 7 North Hollywood CA BLTNCAADPS2  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 730   2005-09-17   
818-301 8 North Hollywood CA TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730   2013-07-28   
818-301 9 North Hollywood CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2020-07-08   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.