Certified by United States Postal Service • Sep 27, 2026
Post OfficeShipping ServiceCargo ServicePackaging Supply StoreLogistics ServiceMoney Order ServiceVisa and Passport OfficeUnited States Postal Service
Visit your local Post Office™ at 5186 Benito St 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 • Sep 27, 2026
Certified by United States Postal Service • Sep 27, 2026
Monday9:00 AM - 5:00 PM
Tuesday9:00 AM - 5:00 PM
Wednesday9:00 AM - 5:00 PM
Thursday9:00 AM - 5:00 PM
Friday9:00 AM - 5:00 PM
Saturday9:00 AM - 1:00 PM
SundayClosed
Products & Services
1 list · 5 items
USPS Services
5 items
Buy postage
Get information about USPS® products and services
Weigh and classify postage of envelopes and parcels
Change of Address (COA) service
Buy or cash Postal money orders
Reviews
2.7
112 reviews
5 stars
37
4 stars
10
3 stars
3
2 stars
6
1 star
56
DP
D. P
5 days ago
1.0
They always have one employee working while theres a line of at least 8-20 people on busy days. I don’t believe that it is fair to overwork your employees like this
Overall, incredibly understaffed and mismanaged post office. Management should do better. Ive had many packages get lost here over the past few months and always have to grab a drop off reciept now. :(
RY
Richard Yu
Sep 21, 2026
2.0
Drop box broken, has not been fix for a month. I do not know it is really broken or not because diamond bar USPS drop box was broken in the same time. What a coincidence!!
JS
J Solo
Sep 8, 2026
1.0
My usual USPS office was on mountain x 4th but they closed that one down and now I come to this location. The last 2 times I come, there’s a line of at least 10 ppl and ONLY ONE person working. Most of us are shipping with prepaid labels but this location doesn’t have a kiosk. It’s a shame that prices continue to rise yet the service continues to plummet.
BK
Ben Kim
Aug 24, 2026
1.0
Workers are so incredibly slow
MF
Marvin Francis
Aug 5, 2026
4.0
Very busy not much parking. Was able to use self serve KIOSK to avoid long wait in line
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.
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