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: SLNSCA01XPX

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
831-204 A Monterey CA 258E YMAX COMMUNICATIONS CORP. - CA 736      
831-204 3 Monterey CA 258E YMAX COMMUNICATIONS CORP. - CA 736   2009-03-12   
831-250 8 Carmel CA 258E YMAX COMMUNICATIONS CORP. - CA 736   2009-03-12   
831-265 4 Hollister CA 258E YMAX COMMUNICATIONS CORP. - CA 736   2009-03-12   
831-287 A Salinas CA 258E YMAX COMMUNICATIONS CORP. - CA 736      
831-287 0 Salinas CA 258E YMAX COMMUNICATIONS CORP. - CA 736   2009-01-30   
831-287 1 Salinas CA 258E YMAX COMMUNICATIONS CORP. - CA 736   2009-01-30   
831-392 8 Monterey CA 258E YMAX COMMUNICATIONS CORP. - CA 736   2009-03-12   
831-393 4 Monterey CA 258E YMAX COMMUNICATIONS CORP. - CA 736   2009-03-12   
831-774 5 Gonzales CA 258E YMAX COMMUNICATIONS CORP. - CA 736   2009-03-13   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

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