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: 221

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
818-221 A San Fernando: Sepulveda DA CA SPLVCAXFDS1  2319 FRONTIER CALIFORNIA INC. 730      
818-221 0 San Fernando: Sepulveda DA CA   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 730      
818-221 1 San Fernando: Sepulveda DA CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730      
818-221 2 San Fernando: Sepulveda DA CA LSANCAJWDS9  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730      
818-221 3 San Fernando: Sepulveda DA CA SPLVCAXFDS1  2319 FRONTIER CALIFORNIA INC. 730      
818-221 4 San Fernando: Sepulveda DA CA IRVNCASM1MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      
818-221 5 San Fernando: Sepulveda DA CA TRNECAGBGT3  899D METROPCS NETWORKS, LLC 730      
818-221 6 San Fernando: Sepulveda DA CA SPLVCAXFDS1  2319 FRONTIER CALIFORNIA INC. 730      
818-221 7 San Fernando: Sepulveda DA CA TRNECAGBGT3  899D METROPCS NETWORKS, LLC 730      
818-221 8 San Fernando: Sepulveda DA CA TRNECAGBGT3  899D METROPCS NETWORKS, LLC 730      
818-221 9 San Fernando: Sepulveda DA CA TRNECAGBGT3  899D METROPCS NETWORKS, LLC 730      

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

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.