Brand Certified
United States Postal Service
3.5(57 reviews)
Certified by United States Postal Service • Aug 30, 2026
Business Details
3774 Mission Ave, Oceanside, CA
92058, 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 3774 Mission 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
Monday8:30 AM - 5:00 PM
Tuesday8:30 AM - 5:00 PM
Wednesday8:30 AM - 5:00 PM
Thursday8:30 AM - 5:00 PM
Friday8:30 AM - 5:00 PM
SaturdayClosed
SundayClosed
Products & Services
1 list · 22 items
Explore offerings from United States Postal Service on 3774 Mission Ave in Oceanside, with popular services available at this location.
Reviews
3.5
57 reviews
5 stars
30
4 stars
5
3 stars
3
2 stars
3
1 star
16
- CGCharlie Green2 days ago5.0Great location
- AKAndreea KaAug 14, 20265.0Frank was very and nice and helpful
- KCK. CarterJul 18, 20265.0Frank & Andrew I always greet me with a smile and give me very efficient & expert service!! Small friendly neighborhood post office!! Thank you for your many years of outstanding customer service!! ⭐️⭐️⭐️⭐️⭐️
- SJSophia JacksonJun 15, 20265.0Small post office I was in & out in less than 5 minutes, staff was very helpful!😊💯❤️
- AMAlberto MendezMar 28, 20265.0Nicholas was the 🐐 If you have issues for some reason receiving packages to your P.O. Box he will help you retrieve it before it gets sent back to sender My experience here was the complete opposite to other USPS locations The friendliness and willingness to help from Nicholas was above and beyond I wish every usps was like this
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 are available at the USPS location at 3774 Mission Ave, Oceanside?
This USPS location offers mailing and shipping services, money orders, PO Boxes, passports, gift cards, and more.
Can I apply for a passport at the Oceanside USPS office?
Yes, this location accepts first-time passport applications and offers passport photo services by appointment.
Do I need to schedule an appointment for passport services here?
Yes, most passport services require scheduling an appointment online, though there are limited walk-in hours at select locations.
What are the operating hours of this USPS location?
The post office is open Monday through Friday from 8:30 AM to 5:00 PM and is closed on weekends.
How can I get a PO Box at the Oceanside USPS?
You can apply for a PO Box online or in person with two valid forms of ID and a completed application form.
Is there 24/7 access to PO Boxes at this post office?
Most USPS locations offer 24/7 lobby access to PO Boxes, but access hours may vary. Check with this location for specifics.
What nearby amenities can I visit when coming to the USPS at 3774 Mission Ave?
Nearby you can visit Ocean Spa Massage for relaxation, Mission Coin Laundry if you need laundry services, and Ocean Rainbow for ice cream and smoothies.
Are there other postal offices near the USPS at 3774 Mission Ave?
Yes, nearby postal offices include the US Post Office and Post Office-San Luis Rey, which may be convenient alternatives.
Can I combine my visit to USPS with a meal nearby?
Absolutely, you can enjoy Mexican cuisine at Fiesta Mexicana or Los Kompadres Mexican Food, both near the USPS location.
What is the contact phone number for the USPS location at 3774 Mission Ave?
You can reach this USPS location at +1 760-806-3866 for inquiries or assistance.
Brand Certified Facts from United States Postal Service
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Certified August 30, 2026Yext Knowledge Graph
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