Brand Certified
United States Postal Service
2.3(56 reviews)
Certified by United States Postal Service • Aug 30, 2026
Business Details
4900 NW Gateway Ave, Riverside, MO
64150, United States
Certified by United States Postal Service • Aug 30, 2026
(800) 275-8777
Certified by United States Postal Service • Aug 30, 2026
http://usps.com/postoffice
Certified by United States Postal Service • Aug 30, 2026
About
Certified by United States Postal Service • Aug 30, 2026
Post OfficeCargo ServiceLogistics ServiceShipping ServicePackaging Supply StoreMoney Order ServiceUnited States Postal Service
Visit your local Post Office™ at 4900 NW Gateway Ave to find everything you need to send mail and ship packages. Explore our other products and services like money orders, Post Office™ boxes, passports, gift cards, and more
Location
Certified by United States Postal Service • Aug 30, 2026
Hours
Certified by United States Postal Service • Aug 30, 2026
Monday10:00 AM - 4:00 PM
Tuesday10:00 AM - 4:00 PM
Wednesday10:00 AM - 4:00 PM
Thursday10:00 AM - 4:00 PM
Friday10:00 AM - 4:00 PM
SaturdayClosed
SundayClosed
Products & Services
1 list · 23 items
Explore offerings from United States Postal Service on 4900 NW Gateway Ave in Riverside, with popular services available at this location.
Reviews
2.3
56 reviews
5 stars
15
4 stars
4
3 stars0
2 stars
3
1 star
34
- EWEric WilliamsJul 31, 20265.0Nick Vedros if you knew your local Post Office, you would know that this particular location doesn't open until 10am..The hours of business are located on the front door as you walked in
- CEChrista EastburnJul 29, 20265.0This post ofc. is in a convenient location, easy access, easy parking , seldom overcrowded, and has friendly staff. I hope it never closes.
- LRL ReedJul 11, 20265.0Best USPS in the area imo. Always in and out quickly. This is such a good place to get shipping services forget UPS/FedEx.
- JYJosh YoungJul 8, 20261.0Place is literally never in service! If you need customer service go somewhere else!
- NVNick VedrosJun 12, 20262.0unbelievably, I went to mail something today At 9:35 AM and there was a handwritten note that said out to lunch till 3:30 PM. I live in Riverside and would love to have a reliable Post Office.
Frequently Asked Questions About United States Postal Service
Can I get a passport application at this Post Office?
Yes, Thousands of Post Offices™ accept first-time passport applications for the U.S. Department of State. Most of those locations can also take your passport photo. Please complete and print your passport application form before you apply.
Is an appointment needed for passport services?
Most Post Offices that offer passport services have set hours, and you'll need to schedule an appointment using our online scheduler. We also offer limited Passport walk-in hours at select locations.
Does this location take the photo needed for passports?
For first-time passport and photo services, please make an appointment using our online scheduler.
What is the cost to take a passport photo?
The current fee for a passport photo at USPS is $15.
When does this location do walk-in passports?
We offer limited Passport walk-in hours at select locations.
Can I get a PO Box online?
Yes, you can search for available PO Boxes and reserve one online at https://www.usps.com/manage/po-boxes.htm. The process is quick and secure, and you'll receive instructions for completing your setup in person.
How much is a small PO Box?
PO Box prices vary by location. You can check exact pricing for your area by visiting https://www.usps.com/manage/po-boxes.htm and entering your ZIP Code.
Can you get to the PO Boxes in the lobby after hours?
Most USPS locations offer 24/7 access to PO Boxes in the lobby. Access hours may vary by location, so check with your local Post Office for specific lobby hours.
How can I get a PO Box?
You can apply for a PO Box online or in person at your local Post Office. Just bring two valid forms of ID and your completed application if applying in person. To start online, visit https://www.usps.com/manage/po-boxes.htm.
What time can I check my PO Box weekly and on weekends?
You can check your PO Box during lobby hours, which often include extended hours or 24/7 access. Weekend access may vary. Check with your local Post Office for exact times.
What services can I find at the United States Postal Service located at 4900 NW Gateway Ave?
You can send mail and ship packages, get money orders, access Post Office boxes, apply for passports, buy gift cards, and more at this location.
Can I apply for a U.S. passport at this Post Office?
Yes, this local Post Office accepts first-time U.S. passport applications and most locations also take passport photos. Be sure to complete and print your application form before applying.
Do I need an appointment to use passport services here?
Yes, most Post Offices offering passport services require you to schedule an appointment online, though limited walk-in hours are available at select locations.
What are the hours of operation for the Post Office on weekdays?
This Post Office is open from 10:00 AM to 4:00 PM Monday through Friday and closed on weekends.
Can I reserve a PO Box at this Post Office and how?
Yes, you can search available PO Boxes and reserve one online securely at the USPS website, then complete your setup in person at the local Post Office.
Is 24/7 access available for PO Boxes at this location?
Most USPS locations offer 24/7 lobby access to PO Boxes but access hours may vary, so please check with this specific Post Office for details.
How much does a passport photo cost at this Post Office?
The current fee for a passport photo is $15.
How can nearby transit or services assist me when visiting United States Postal Service at 4900 NW Gateway Ave?
Nearby services such as Cars 4 Less provide convenient town car transportation options, helping customers easily reach the Post Office for mail or passport services.
Are there any nearby places of interest I can visit before or after stopping at the Post Office?
You can visit River Roll Skate Center for roller skating fun or enjoy a meal at Joe's Kansas City Barbecue, both close to the Post Office location.
What professional or educational nearby businesses might be useful for visitors of this Post Office?
Nearby you can find Sandler Training in Kansas City by ESD and Quantum Consulting LLC, which offer adult education, business consulting, and professional services that might interest visitors.
Brand Certified Facts from United States Postal Service
This information is certified by United States Postal Service and published from the brand's official system of record. Data is distributed through an enterprise-grade knowledge management platform. Learn more about our data sources
Certified August 30, 2026Yext Knowledge Graph
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