Ontario City Jail

Ontario City Jail is at 2500 South Archibald Avenue, Ontario, CA 91761 (San Bernardino County, California).

The main number on record is (909) 395-2001. Numbers can change, so check the agency's official website if the call does not connect.

Use the agency's official inmate lookup, linked on this page, or call the facility on (909) 395-2001. Official agency records are the final authority on custody status.

The official website is linked on this page. Use it for general questions; urgent matters are best handled by phone.

Ontario City Jail is a municipal jail. Municipal jails mostly hold people for a short time after arrest, before release or transfer to the county jail.

Its sources list a capacity of 40 places. Actual occupancy changes from day to day.

Visits usually have to be booked in advance, and visitors bring official photo identification. Rules differ from one facility to the next, so contact Ontario City Jail before travelling or read the visiting section of its website.

Address the envelope with the person's full name and booking or inmate number, followed by Ontario City Jail, 2500 South Archibald Avenue, Ontario, CA 91761. Many facilities only accept plain letters and photos, so check its mail rules before sending anything else.