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.

Switch: SESDCA11DS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
831-392 A Monterey CA 9740 PACIFIC BELL 736      
831-392 0 Monterey CA 9740 PACIFIC BELL 736      
831-392 1 Monterey CA 9740 PACIFIC BELL 736      
831-392 3 Monterey CA 9740 PACIFIC BELL 736      
831-393 A Monterey CA 9740 PACIFIC BELL 736      
831-393 0 Monterey CA 9740 PACIFIC BELL 736      
831-393 1 Monterey CA 9740 PACIFIC BELL 736      
831-393 2 Monterey CA 9740 PACIFIC BELL 736      
831-393 3 Monterey CA 9740 PACIFIC BELL 736      
831-393 6 Monterey CA 9740 PACIFIC BELL 736      
831-393 7 Monterey CA 9740 PACIFIC BELL 736      
831-393 8 Monterey CA 9740 PACIFIC BELL 736      
831-393 9 Monterey CA 9740 PACIFIC BELL 736      
831-394 A Monterey CA 9740 PACIFIC BELL 736      
831-583 A Monterey CA 9740 PACIFIC BELL 736      
831-583 0 Monterey CA 9740 PACIFIC BELL 736      
831-583 1 Monterey CA 9740 PACIFIC BELL 736      
831-583 2 Monterey CA 9740 PACIFIC BELL 736      
831-583 4 Monterey CA 9740 PACIFIC BELL 736      
831-583 6 Monterey CA 9740 PACIFIC BELL 736      
831-583 9 Monterey CA 9740 PACIFIC BELL 736      
831-899 A Monterey CA 9740 PACIFIC BELL 736      

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

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.