Cernon Post Office
98 Cernon St, Vacaville, CA 95688
Retail Hours
| Sunday | Closed |
| Monday | 10:00 AM - 4:00 PM |
| Tuesday | 10:00 AM - 4:00 PM |
| Wednesday | 10:00 AM - 4:00 PM |
| Thursday | 10:00 AM - 4:00 PM |
| Friday | 10:00 AM - 4:00 PM |
| Saturday | 10:30 AM - 1:30 PM |
Contact Info
| Phone | 707-451-6563 |
| Fax | 707-449-9072 |
| TTY | 877-889-2457 |
| Toll Free | 1-800-275-8777 (1-800-Ask-USPS®) |
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