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: 562 [Rate centres in NPA 562] [Dial plan for NPA 562]

NXX: 401

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
562-401 A Downey CA DWNYCAXG80G  2319 FRONTIER CALIFORNIA INC. 730      
562-401 0 Downey CA DWNYCAXG80G  2319 FRONTIER CALIFORNIA INC. 730      
562-401 1 Downey CA DWNYCAXG80G  2319 FRONTIER CALIFORNIA INC. 730      
562-401 2 Downey CA DWNYCAXG80G  2319 FRONTIER CALIFORNIA INC. 730      
562-401 3 Downey CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730      
562-401 4 Downey CA DWNYCAXG80G  2319 FRONTIER CALIFORNIA INC. 730      
562-401 5 Downey CA DWNYCAXG80G  2319 FRONTIER CALIFORNIA INC. 730      
562-401 6 Downey CA DWNYCAXG80G  2319 FRONTIER CALIFORNIA INC. 730      
562-401 7 Downey CA GRDNCA02KMD  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730      
562-401 8 Downey CA DWNYCAXG80G  2319 FRONTIER CALIFORNIA INC. 730      
562-401 9 Downey CA DWNYCAXG80G  2319 FRONTIER CALIFORNIA INC. 730      

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

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.