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Visit your local Post Office™ at 3575 Merrick Rd 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
Everyone at this post office is super helpful, efficient, and really nice.
EM
Elaine Mulvey
Jun 27, 2025
1.0
Our Lady Lorelei retired today.
(The best we ever had)
No one else ever showed up today to deliver our mail.
DD
DEGK
May 30, 2024
5.0
This post office is wonderful. They work really hard; they are very efficient; and very very friendly. I appreciate them so much.
LR
Leroy Raymond
Dec 20, 2019
5.0
Most positive, informed, and helpful front desk personnel I have experienced
Seaford resident for over 42 years
Sending a personal thank you to the Seaford post master general
Happy Holidays to all
Let’s remember our mail delivery personnel who battle the elements all year to make sure our mail is received
The US postal service is the greatest in the world - All elected officials should remember 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 does the United States Postal Service at 3575 Merrick Rd offer?
This Post Office provides mail and package shipping, money orders, Post Office boxes, passport services, gift cards, and more.
Can I apply for a U.S. passport at this location?
Yes, this Post Office accepts first-time passport applications and most locations take passport photos. You should complete and print your application form beforehand.
Is an appointment needed to get passport services here?
Yes, appointments are required for passport services through the online scheduler, although limited walk-in hours are available at select locations.
What are the operating hours of this Post Office?
The Post Office is open Monday to Friday from 9:00 AM to 5:00 PM, Saturdays from 9:00 AM to 1:00 PM, and closed on Sundays.
How can I get a PO Box at the 3575 Merrick Rd location?
You can apply for a PO Box online or in person. For in-person applications, bring two valid IDs and a completed application.
Are PO Boxes accessible after hours at this location?
Most USPS locations offer 24/7 lobby access to PO Boxes, but access hours may vary, so check with this Post Office directly for specifics.
What is the cost for a passport photo at this Post Office?
The current fee for a passport photo is $15.
Is there nearby parking or transportation options when visiting this Post Office?
Seaford Taxi and Airport Service nearby offer transportation options, helping customers easily reach the Post Office.
What nearby dining options are available around the Post Office?
Nearby restaurants include That’s Amore Pizza, Great Asian Kitchen, and Frida’s Mexican Grill, convenient for a meal before or after your visit.
Are there any nearby spots for relaxation or fitness close to the Post Office?
Ashtanga Yoga Long Island offers yoga and gym facilities, and Seaford Park is ideal for outdoor relaxation and activities, both near the Post Office.