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.
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Switch: SLNSCA01DS1

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
831-221 A San Ardo CA 4129 O1 COMMUNICATIONS, INC. - CA 736      
831-232 A Chualar CA 4129 O1 COMMUNICATIONS, INC. - CA 736      
831-237 A Soledad CA 4129 O1 COMMUNICATIONS, INC. - CA 736      
831-245 A Hollister CA 4129 O1 COMMUNICATIONS, INC. - CA 736      
831-250 A Carmel CA 4129 O1 COMMUNICATIONS, INC. - CA 736      
831-263 A King City CA 4129 O1 COMMUNICATIONS, INC. - CA 736      
831-264 A Monterey CA 4129 O1 COMMUNICATIONS, INC. - CA 736      
831-298 A Carmel Valley CA 4129 O1 COMMUNICATIONS, INC. - CA 736      
831-540 A Salinas CA 4129 O1 COMMUNICATIONS, INC. - CA 736      
831-580 A Gonzales CA 4129 O1 COMMUNICATIONS, INC. - CA 736      
831-586 A San Juan CA 4129 O1 COMMUNICATIONS, INC. - CA 736      
831-653 A San Lucas CA 4129 O1 COMMUNICATIONS, INC. - CA 736      
831-731 A Castroville CA 4129 O1 COMMUNICATIONS, INC. - CA 736      
831-856 A Greenfield (Monterey) CA 4129 O1 COMMUNICATIONS, INC. - CA 736      
831-996 A Tres Pinos CA 4129 O1 COMMUNICATIONS, INC. - CA 736      

Last updated: Sun, 10 Nov 2019 13:49:34 UTC

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