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: 213 [Rate centres in NPA 213] [Dial plan for NPA 213]

NXX: 401

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
213-401 A Los Angeles: DA 10 CA LSANCA03DS3  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730      
213-401 0 Los Angeles: DA 10 CA LSANCARCD3S  649C ONVOY, LLC - CA 730      
213-401 1 Los Angeles: DA 10 CA LSANCA03DS3  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730      
213-401 2 Los Angeles: DA 10 CA LSANCARCD3S  649C ONVOY, LLC - CA 730      
213-401 3 Los Angeles: DA 10 CA LSANCA03DS3  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730      
213-401 4 Los Angeles: DA 10 CA LSANCARCD3S  649C ONVOY, LLC - CA 730      
213-401 5 Los Angeles: DA 10 CA TRNECAGBGT3  899D METROPCS NETWORKS, LLC 730      
213-401 6 Los Angeles: DA 10 CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730      
213-401 7 Los Angeles: DA 10 CA LSANCARCD3S  649C ONVOY, LLC - CA 730      
213-401 8 Los Angeles: DA 10 CA TRNECAGBGT3  899D METROPCS NETWORKS, LLC 730      
213-401 9 Los Angeles: DA 10 CA LSANCARCD3S  649C ONVOY, LLC - CA 730      

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.