Cernon Post Office

98 Cernon St Vacaville, CA 95688
Phone: 707-451-6563

Parking: Parking Lot Available
Post Office Lobby Hours
Monday 6:00am - 10:00pm
Tuesday 6:00am - 10:00pm
Wednesday 6:00am - 10:00pm
Thursday 6:00am - 10:00pm
Friday 6:00am - 10:00pm
Saturday 6:00am - 10:00pm
Sunday 6:00am - 10:00pm


Cernon Post Office is a United States Postal Service (USPS) facility in Vacaville, CA. This post office offers a full array of services, including package delivery and first class mail.


Business Reply Mail® Account Balance
Business Reply Mail New Permit
Carrier Services
Duck Stamps
Greeting Card Services
Global Express Guranteed®
Money Orders (Domestic)
Money Orders (Inquiry)
Money Orders (International)
Pickup Hold Mail
Pickup Accountable Mail
Pickup Notice Left Mail
PO Boxes
Priority Mail International®

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