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: 652

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
650-652 A Millbrae CA MLBRCA11DS0  9740 PACIFIC BELL 722      
650-652 0 Millbrae CA MLBRCA11DS0  9740 PACIFIC BELL 722      
650-652 1 Millbrae CA MLBRCA11DS0  9740 PACIFIC BELL 722      
650-652 2 Millbrae CA MLBRCA11DS0  9740 PACIFIC BELL 722      
650-652 3 Millbrae CA MLBRCA11DS0  9740 PACIFIC BELL 722      
650-652 4 Millbrae CA MLBRCA11DS0  9740 PACIFIC BELL 722      
650-652 5 Millbrae CA MLBRCA11DS0  9740 PACIFIC BELL 722      
650-652 6 Millbrae CA MLBRCA11DS0  9740 PACIFIC BELL 722      
650-652 7 Millbrae CA MLBRCA11DS0  9740 PACIFIC BELL 722      
650-652 8 Millbrae CA MLBRCA11DS0  9740 PACIFIC BELL 722      
650-652 9 Millbrae CA MLBRCA11DS0  9740 PACIFIC BELL 722      

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

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.