Central time zone
Current Time in Ontario: 09:12 AM

Ontario Area Codes

Here is the current list of area codes in Ontario, WI. There is currently 1 area code(s) in Ontario. Search all the most up-to-date currently used Ontario area codes below.

Central time zone
Current Time in Ontario: 09:12 AM
Area Code State City Timezone
608WisconsinOntarioCentral