About this location
The United States Post Office is located at 3890 Orange Street in Riverside. This page collects its opening hours, contacts and services.
Where it is
The address is 3890 Orange Street. The entrance is on level 0.
The organization's address is 3890 Orange Street, Riverside. Coordinates are 33.9804521, -117.373412.
Opening hours
The place is open Mo-Fr from 10:00 to 17:00. Opening times can change, so it is worth checking before a visit.
Good to know
What to expect at a post office
Typically, customers are greeted upon arrival and directed to a counter or queue where they can address their needs with a clerk.
Typically, a post office offers various postal services such as letter and package delivery, stamp sales, and international mail services. Visitors should note that opening hours may vary depending on location.
Before you go
Typically, it is advisable to check the opening hours of a post office before visiting, as they may vary depending on the day or location.
It is useful to check in advance what payment methods are accepted at a post office, as they typically vary between different locations and services.
Choosing a post office in Riverside
Typically, it is useful for Riverside residents to know that there are several post offices nearby, as they often provide convenient services and assistance with mail-related tasks.
Typically, people choose between post offices based on location convenience and operating hours. They often compare which one offers the most accessible service times for their schedule.
How this page is kept current
The details on this page come from OpenStreetMap, an open map database that local people keep up to date. The listing for this place was last confirmed on 2026-03-15. Opening hours and services can change between updates, so a phone call before a long trip is the surest check.
What visitors usually check first
Visitors typically bring identification documents when visiting a post office, as they are needed for various services such as sending mail or applying for stamps.
Busy times and quieter hours
Typically, people avoid long queues in post offices by arriving early in the morning or late afternoon. They often prepare necessary documents and letters beforehand.
If you arrive after closing
Typically, people visit a post office after closing hours to drop off letters or packages. They may also come to collect mail that was delivered earlier in the day.
Typically, calling in advance helps ensure that the post office is open and ready to serve customers. It also allows for any necessary preparations or assistance.