Post Office Located at 420 W 4Th St, Antioch, California, CA, 94509-9991
#858 out of 1 Post Offices in the State of California
Rivertown in California (CA), 94509-9991 is a city with a population of 577 people. Its residents have a median income of $27,417. The local post office is located at 420 W 4 Th St, Rivertown. It handles an estimated 241,468 mails and 14,238 packages per year. It employs an estimated 1 staff.
Antioch Post Office
NOTICE: The Service is an essential goverment service, and will remain open wherever possible
420 W 4Th St, Antioch, California, CA, 94509-9991
Contact Numbers
Phone: 925-778-3578
TTY: 877-889-2457
Toll-Free: 1-800-ASK-USPS
Hours
Retail Hours
MONDAY
09:30:00 - 13:00:00,14:00:00 - 16:30:00
TUESDAY
09:30:00 - 13:00:00,14:00:00 - 16:30:00
WEDNESDAY
09:30:00 - 13:00:00,14:00:00 - 16:30:00
THURSDAY
09:30:00 - 13:00:00,14:00:00 - 16:30:00
FRIDAY
09:30:00 - 13:00:00,14:00:00 - 16:30:00
SATURDAY
Closed
SUNDAY
Closed
Lobby Hours
MONDAY
06:30:00 - 18:30:00
TUESDAY
06:30:00 - 18:30:00
WEDNESDAY
06:30:00 - 18:30:00
THURSDAY
06:30:00 - 18:30:00
FRIDAY
06:30:00 - 18:30:00
SATURDAY
08:00:00 - 18:00:00
SUNDAY
Closed
Last Collection Hours
MONDAY
17:00:00
TUESDAY
17:00:00
WEDNESDAY
17:00:00
THURSDAY
17:00:00
FRIDAY
17:00:00
SATURDAY
17:00:00
SUNDAY
Closed
PO Box Access Hours
MONDAY
06:30:00 - 18:30:00
TUESDAY
06:30:00 - 18:30:00
WEDNESDAY
06:30:00 - 18:30:00
THURSDAY
06:30:00 - 18:30:00
FRIDAY
06:30:00 - 18:30:00
SATURDAY
08:00:00 - 18:00:00
SUNDAY
Closed
Pickup Services Hours
MONDAY
09:30:00 - 13:00:00,14:00:00 - 16:30:00
TUESDAY
09:30:00 - 13:00:00,14:00:00 - 16:30:00
WEDNESDAY
09:30:00 - 13:00:00,14:00:00 - 16:30:00
THURSDAY
09:30:00 - 13:00:00,14:00:00 - 16:30:00
FRIDAY
09:30:00 - 13:00:00,14:00:00 - 16:30:00
SATURDAY
Closed
SUNDAY
Closed
Call Referral Hours
MONDAY
10:00:00 - 10:45:00
TUESDAY
10:00:00 - 10:45:00
WEDNESDAY
10:00:00 - 10:45:00
THURSDAY
10:00:00 - 10:45:00
FRIDAY
10:00:00 - 10:45:00
SATURDAY
Closed
SUNDAY
Closed
PO Box Delivery Hours
MONDAY
12:00:00
TUESDAY
12:00:00
WEDNESDAY
12:00:00
THURSDAY
12:00:00
FRIDAY
12:00:00
SATURDAY
Closed
SUNDAY
Closed
Global Express Guaranteed Hours
MONDAY
13:00:00
TUESDAY
13:00:00
WEDNESDAY
13:00:00
THURSDAY
13:00:00
FRIDAY
13:00:00
SATURDAY
Closed
SUNDAY
Closed
See More Hours
Services at this Location
- Burial Flags
- Call Referral
- Duck Stamps
- General Delivery
- Global Express Guaranteed®
- Label Broker®
- Money Orders (Domestic)
- Money Orders (Inquiry)
- Money Orders (International)
- Pickup Accountable Mail
- Pickup Hold Mail
- Priority Mail International®
- PO Box Online
- Sure Money
Online Services and Resources
- Print a Label with Postage
- Schedule a Pickup
- Buy Stamps
- Forward Mail
- Reserve or Renew a PO Box
- Schedule a Redelivery
- Mailing Requirements
- Media/Press Contacts
- Vandalism/Theft
Nearby Self-Service Kiosks
Nearby Alternate Locations
Featured Post Offices in California
420 W 4Th St, Antioch, California, CA, 94509-9991 Post Office Estimates*
* These estimates were determined by taking the national statistics for each of these measures as provided by the USPS and then determining the proportion of that total for each city based on that city’s population according to the 2020 US Census.