Pacific time zone
Current Time in Ontario: 07:35 AM

Ontario Area Codes

Here is the current list of area codes in Ontario, CA. There is currently 2 area code(s) in Ontario. Search all the most up-to-date currently used Ontario area codes below.

Pacific time zone
Current Time in Ontario: 07:35 AM
Area Code State City Timezone
951CaliforniaOntarioPacific
909CaliforniaOntarioPacific