Office Hours:

Monday thru Friday: 8:30am-5:00pm

Drug Testing Hours: 8:30am-4:30pm

Saturdays – Call For Availabilities

Sundays: CLOSED

Contact us via email

Where you can find us

402 South Milliken Ave, Suite E-2,
Ontario, California 91761

contact@Ontariotestingcenter.com
(909) 937-3955
(866) 368-3628
(909) 937-3966 (fax)