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.

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
831-221 3 San Ardo CA 073H TELNYX LLC 736      
831-230 A Monterey CA 073H TELNYX LLC 736      
831-230 1 Monterey CA 073H TELNYX LLC 736      
831-232 3 Chualar CA 073H TELNYX LLC 736      
831-245 4 Hollister CA 073H TELNYX LLC 736      
831-290 4 Gonzales CA 073H TELNYX LLC 736      
831-293 1 Carmel CA 073H TELNYX LLC 736      
831-298 4 Carmel Valley CA 073H TELNYX LLC 736      
831-300 2 Big Sur CA 073H TELNYX LLC 736      
831-302 1 San Lucas CA 073H TELNYX LLC 736      
831-315 4 Soledad CA 073H TELNYX LLC 736      
831-525 7 King City CA 073H TELNYX LLC 736      
831-613 8 Greenfield (Monterey) CA 073H TELNYX LLC 736      
831-623 8 San Juan CA 073H TELNYX LLC 736      
831-731 3 Castroville CA 073H TELNYX LLC 736      
831-821 5 Tres Pinos CA 073H TELNYX LLC 736      

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

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