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Visit your local Post Office™ at 36 Main 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
I just want to give a huge thank-you to the amazing team at the Old Saybrook Post Office! I made a mistake and accidentally put the wrong return item in a package that was already in the outgoing mail bin. The staff went above and beyond — they took the time to locate my package (which had already made its way to the bottom of the pile!) and helped me fix everything so I could send the correct return.
Everyone was so kind, patient, and understanding through the whole situation. It’s not every day you see people go the extra mile like that, and I’m so grateful for their help and professionalism. Thank you again to the whole team — you really saved the day!
DP
Deb Pigott
Nov 3, 2025
5.0
My sister and I brought my Aunt in for a passport photo and renewal back in Aug. We were fortunate enough to be assisted by post office clerk Diana B. She went above and beyond …she was kind, patient and efficient. Without her expertise our Aunt would not have been able to fly home to Florida….requiring a taxing, long distance drive. Using her expertise, she facilitated the passport paperwork and our Aunt can now safely return to Florida. Thank you Diana and Old Saybrook Post Office!
VV
Viridian Virgo
Oct 20, 2020
5.0
Excellent service! Thank you friendly helpful staff.
KC
Keith Coughlin
Sep 29, 2020
5.0
A high quality post office well-befitting a great town!
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.
Where is the United States Postal Service located in Old Saybrook?
The United States Postal Service in Old Saybrook is located at 36 Main St, CT 06475.
What are the operating hours of the Old Saybrook Post Office?
The Post Office is open Monday to Friday from 8:30 AM to 5:00 PM, Saturday from 8:30 AM to 1:00 PM, and closed on Sundays.
Can I apply for a US passport at the 36 Main St Post Office location?
Yes, this location accepts first-time passport applications and most can also take your passport photo. Be sure to complete and print your application form before applying.
Do I need an appointment to get passport services at this Post Office?
Yes, most passport services require scheduling an appointment through the online scheduler. Limited walk-in hours may be available at select locations.
What is the fee for a passport photo at this Post Office?
The current fee for a passport photo at USPS is $15.
How can I get a PO Box at this Post Office?
You can apply for a PO Box online at https://www.usps.com/manage/po-boxes.htm or in person at this location with two valid forms of ID and a completed application.
Is there 24/7 access to PO Boxes at this Post Office?
Most USPS locations, including this one, offer 24/7 lobby access to PO Boxes, though specific hours may vary. Check with the local Post Office for details.
Where can I find an ATM near the Old Saybrook Post Office?
You can find a KeyBank ATM nearby, providing convenient access to financial services during your visit to the Post Office.
Are there nearby coffee shops to visit before or after my trip to the Post Office?
Yes, Starbucks and Caffe Toscana are close by, perfect for grabbing a coffee or snack when you visit the Post Office at 36 Main St.
What are some nearby services around the Old Saybrook Post Office that might be useful?
Nearby services include legal assistance at Heffernan Legal Group, fitness at Anytime Fitness, and real estate agencies such as Berkshire Hathaway HomeServices New England Properties, all within close proximity.