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Phone Directory 858-312 Detail

State Major City Time Zone
California San Diego Pacific

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
858-312 Rancho Bernardo, CA Cox California Telcom, L.l.c. San Diego Landline 10/13/1999

Other Series For Prefixes

858-3120###
858-3121###
858-3122###
858-3123###
858-3124###
858-3125###
858-3126###
858-3127###
858-3128###
858-3129###