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: SLNSCA01X5Y

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
831-232 5 Chualar CA 516C AT&T CORP. 736      
831-237 5 Soledad CA 516C AT&T CORP. 736      
831-249 A Big Sur CA 516C AT&T CORP. 736      
831-249 7 Big Sur CA 516C AT&T CORP. 736      
831-265 A Hollister CA 516C AT&T CORP. 736      
831-265 7 Hollister CA 516C AT&T CORP. 736      
831-272 3 Salinas CA 516C AT&T CORP. 736      
831-272 6 Salinas CA 516C AT&T CORP. 736      
831-290 5 Gonzales CA 516C AT&T CORP. 736      
831-453 A Castroville CA 516C AT&T CORP. 736      
831-453 7 Castroville CA 516C AT&T CORP. 736      
831-525 8 King City CA 516C AT&T CORP. 736      
831-574 3 Carmel CA 516C AT&T CORP. 736      
831-593 5 San Juan CA 516C AT&T CORP. 736      
831-627 4 San Ardo CA 516C AT&T CORP. 736      
831-628 5 Tres Pinos CA 516C AT&T CORP. 736      
831-643 4 Monterey CA 516C AT&T CORP. 736      
831-652 3 Carmel Valley CA 516C AT&T CORP. 736      
831-747 A Monterey CA 516C AT&T CORP. 736      
831-747 1 Monterey CA 516C AT&T CORP. 736      
831-747 2 Monterey CA 516C AT&T CORP. 736      
831-796 5 Salinas CA 516C AT&T CORP. 736      
831-856 8 Greenfield (Monterey) CA 516C AT&T CORP. 736      

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

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