Knightsen Post Office in Contra Costa County, CA

What services does this post office location offer?

This post office location offers standard USPS services including mail and package shipping, PO box rental, stamps and supplies, and mail holding services. For specific services at this location, please check the "Services" section above.

How can I find the hours of operation for this post office?

The hours of operation for this location can be found in the "Hours" section above. If you need service outside these hours, consider using the USPS self-service kiosks or visit our post office locator to find nearby locations with different hours.

Where is the Knightsen Post Office located?

The Knightsen Post Office is located at 3019 Knightsen Ave Knightsen, CA 94548. You can find directions and a map in the location details section above.

What is the phone number for the Knightsen Post Office?

The phone number for the 3019 Knightsen Ave post office is 9256252724. If you need assistance, you can call this number during regular business hours.

What specific services are available at the Knightsen Post Office?

The Knightsen Post Office provides the following services:

What are the detailed hours for the Knightsen Post Office?

The Knightsen Post Office is open:

Please note that hours may vary on holidays and special occasions. For the most up-to-date information, it's recommended to call the office directly.

Where are the nearest mailboxes to the Knightsen Post Office?

There are several mailboxes located near the Knightsen Post Office. The nearest ones can be found at:

• Brentwood Post Office (2.7 miles away)
• Oakley Post Office (2.9 miles away)
• Bethel Island Post Office (3.7 miles away)

These mailboxes typically have collections multiple times per day.

What ZIP codes does the Knightsen Post Office serve?

The Knightsen Post Office post office serves the city of Knightsen, CA. ZIP codes associated with this city include: 94505, 94506, 94507, 94509, 94511, 94513, 94514, 94516, 94517, 94518, 94519, 94520, 94521, 94523, 94525, 94526, 94528, 94530, 94531, 94547, 94548, 94549, 94551, 94553, 94556, 94561, 94563, 94564, 94565, 94569, 94572, 94582, 94583, 94588, 94595, 94596, 94597, 94598, 94611, 94706, 94707, 94708, 94801, 94803, 94804, 94805, 94806, 95219.