Princeton Junction Post Office

331 N Post Rd, Princeton Junction, NJ 08550

Contact Numbers

Phone: 609-799-1054
Fax: 609-799-3221
TTY: 877-889-2457
Toll-Free: 1-800-Ask-USPS® (275-8777)

Retail Hours







Lobby Hours
PO Box Access Available

Monday 24 hours
Tuesday 24 hours
Wednesday 24 hours
Thursday 24 hours
Friday 24 hours
Saturday 24 hours
Sunday 24 hours

Last Collection Times

Monday 5:00pm
Tuesday 5:00pm
Wednesday 5:00pm
Thursday 5:00pm
Friday 5:00pm
Saturday 3:30pm
Sunday Closed

Passport Walk-In Hours

Monday Closed
Tuesday 1:30pm - 2:30pm
Wednesday 1:30pm - 2:30pm
Thursday 1:30pm - 2:30pm
Friday Closed
Saturday Closed
Sunday Closed

Passport Appointment Hours

Monday 10:30am - 1:30pm, 2:30pm - 4:30pm
Tuesday 10:30am - 1:30pm, 2:30pm - 4:30pm
Wednesday 10:30am - 1:30pm, 2:30pm - 4:30pm
Thursday 10:30am - 1:30pm, 2:30pm - 4:30pm
Friday 10:30am - 1:30pm, 2:30pm - 4:30pm
Saturday Closed
Sunday Closed

  • Visit our Passport FAQ page for a complete overview of what to bring, what you need to know, and how long it will take.
  • You will need two forms of Identification with copies.
  • A passport quality photo. Available at location.
  • The appropriate application form printed and filled out, and the required fee for applying or renewing.
  • You can find up to date costs, information, and forms at the State Departments Travel Site

*Appointments are required outside of walk-in hours to apply for or renew US Passports. Please Call or schedule online.

  • Burial Flags
  • Business Line
  • Business Reply Mail Account Balance
  • Business Reply Mail New Permit
  • Duck Stamps
  • General Delivery
  • Money Orders (Domestic)
  • Money Orders (Inquiry)
  • Money Orders (International)
  • Packaged Stamps
  • Passport Acceptance
  • Passport Photo
  • Philatelic Services
  • Pickup Accountable Mail
  • Pickup Hold Mail
  • PO Box Online
  • Sure Money
  • Lot Parking
  • Passport Appointment Hours

Visit our Links Page for Holiday Schedule, Change of Address, Hold Mail/Stop Delivery, PO Box rentals and fees, and Available Jobs.

*Please call to verify information. Is anything incorrect? Let us know here

Nearby Post Offices:

Princeton
213 Carnegie Center
0.6 mile away

Palmer Square
259 Nassau St Ste 2
2.0 miles away

Plainsboro
12 Schalks Crossing Rd
2.0 miles away

Kingston
4599 Route 27
2.9 miles away

Reviews

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Trying to stop a medication delivery to old address and have mail forwarding active since April 14th but they dont forward and keep sending my meds to the old rental property and no way for me to retrieve. I don’t need a lesson on change of address when I have mail forwarding why my shipment is going to old address? 9400111202558460163042 This is suppose to come to TX but I get a notification that it is delivered to Princeton Junction tomorrow on June 5th 2022 please assist. Read More
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I would like my package back. The customer refuses to pick it up! The tracking number is 9301920585600084517294. Thank You, please send it to Bill Reis 701 Queen St. Fonda, Iowa 50540. It is on the return address. Bill
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Hi, my name is Karel Mokry and I am a sender of the box with Tracking number CV015786040CZ, posted on October 13, 2020 from Prostejov, Czech Republic (EU). According to the Tracking link: https://tools.usps.com/go/TrackConfirmAction?tRef=fullpage&tLc=2&text28777=&tLabels=CV015786040CZ%2C , the box arrived to Princeton Junction on November 6, 2020. However, since Nov. 7 its status is ALERT. My question is: Was the package delivered to the recipient? And if not, can you deliver it? Thank you in advance and please for a message. Best Regards, Karel Mokry, Prostejov, Czech Republic (EU). January 14, 2021
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Recently took care of a complicated matter for me, and I am very grateful for their help. I frequent this post office often and am always happy with the service. Wonderful staff!
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In the past week or so, I've had to stop payment on two bills that I mailed from my mailbox, because they weren't delivered. It also happened in December. I'm concerned that my mail isn't being handled properly and I want to bring this to your attention. If I can't trust the post office anymore then I guess I'll have to pay my bills online.
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