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: 650 [Rate centres in NPA 650] [Dial plan for NPA 650]

NXX: 284

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
650-284 A Half Moon Bay CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
650-284 0 Half Moon Bay CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
650-284 1 Half Moon Bay CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
650-284 2 Half Moon Bay CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
650-284 3 Half Moon Bay CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
650-284 4 Half Moon Bay CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
650-284 5 Half Moon Bay CA   145J TERRA NOVA TELECOM INC. 722      
650-284 6 Half Moon Bay CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
650-284 7 Half Moon Bay CA OKLECAZVGT0  5562 METROPCS, INC. 722      
650-284 8 Half Moon Bay CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
650-284 9 Half Moon Bay CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      

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

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.