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: SLNSCA01XCY

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
831-231 A Greenfield (Monterey) CA 624H ONVOY SPECTRUM, LLC 736      
831-231 9 Greenfield (Monterey) CA 624H ONVOY SPECTRUM, LLC 736      
831-249 8 Big Sur CA 624H ONVOY SPECTRUM, LLC 736      
831-259 0 Monterey CA 624H ONVOY SPECTRUM, LLC 736      
831-270 0 Salinas CA 624H ONVOY SPECTRUM, LLC 736      
831-283 9 Carmel Valley CA 624H ONVOY SPECTRUM, LLC 736      
831-299 8 Tres Pinos CA 624H ONVOY SPECTRUM, LLC 736      
831-304 1 Greenfield (Monterey) CA 624H ONVOY SPECTRUM, LLC 736      
831-304 5 Greenfield (Monterey) CA 624H ONVOY SPECTRUM, LLC 736      
831-305 9 Gonzales CA 624H ONVOY SPECTRUM, LLC 736      
831-330 A Carmel CA 624H ONVOY SPECTRUM, LLC 736   2024-02-09   
831-330 0 Carmel CA 624H ONVOY SPECTRUM, LLC 736      
831-593 3 San Juan CA 624H ONVOY SPECTRUM, LLC 736      
831-635 8 Hollister CA 624H ONVOY SPECTRUM, LLC 736      
831-705 0 Chualar CA 624H ONVOY SPECTRUM, LLC 736      
831-732 8 San Ardo CA 624H ONVOY SPECTRUM, LLC 736      
831-741 5 Castroville CA 624H ONVOY SPECTRUM, LLC 736      
831-778 1 San Lucas CA 624H ONVOY SPECTRUM, LLC 736      
831-808 A Soledad CA 624H ONVOY SPECTRUM, LLC 736   2024-02-09   
831-808 0 Soledad CA 624H ONVOY SPECTRUM, LLC 736      
831-931 A King City CA 624H ONVOY SPECTRUM, LLC 736   2024-02-09   
831-931 0 King City CA 624H ONVOY SPECTRUM, LLC 736      

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

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