Quest Diagnostics
Main:
(909) 953-4330
Fax: (323) 638-5501
Fax: (323) 638-5501
1057 N Mount Vernon Ave, Colton, California, 92324
Business hours
| Monday | 7:30am to 12:00pm , 1:00pm to 4:30pm |
| Tuesday | 7:30am to 12:00pm , 1:00pm to 4:30pm |
| Wednesday | 7:30am to 12:00pm , 1:00pm to 4:30pm |
| Thursday | 7:30am to 12:00pm , 1:00pm to 4:30pm |
| Friday | 7:30am to 12:00pm , 1:00pm to 4:30pm |
| Saturday | - |
| Sunday | - |