420 W 4 Th St Antioch, CA 94509
Phone: 925-778-3578
| Post Office Lobby Hours | |
|---|---|
| Monday | 6:30am - 6:30pm |
| Tuesday | 6:30am - 6:30pm |
| Wednesday | 6:30am - 6:30pm |
| Thursday | 6:30am - 6:30pm |
| Friday | 6:30am - 6:30pm |
| Saturday | 8:00am - 6:00pm |
| Sunday | Closed |
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Rivertown Post Office is a United States Postal Service (USPS) facility in Antioch, CA. This post office offers a full array of services, including package delivery and first class mail.
Mailboxes in Antioch