Union Post Office

1130 W Chestnut St, Union, NJ 07083

Contact Numbers

Phone: 908-378-6129
Fax: 650-577-4362
TTY: 877-889-2457
Toll-Free: 1-800-Ask-USPS® (275-8777)

Retail Hours







Lobby Hours
PO Box Access Available

Monday 3:30am - 6:45pm
Tuesday 3:30am - 6:45pm
Wednesday 3:30am - 6:45pm
Thursday 3:30am - 6:45pm
Friday 3:30am - 6:45pm
Saturday 3:30am - 4:30pm
Sunday Closed

Last Collection Times

Monday 5:00pm
Tuesday 5:00pm
Wednesday 5:00pm
Thursday 5:00pm
Friday 5:00pm
Saturday 4:00pm
Sunday Closed

Passport Appointment Hours*

Monday 10:00am - 3:00pm
Tuesday 10:00am - 3:00pm
Wednesday 10:00am - 3:00pm
Thursday 10:00am - 3:00pm
Friday 10:00am - 3:00pm
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

*An appointment is required to apply for or renew US Passports. Please Call 908-688-4785 or schedule online.

Bulk Mail Acceptance Hours

Monday 9:00am - 4:00pm
Tuesday 9:00am - 4:00pm
Wednesday 9:00am - 4:00pm
Thursday 9:00am - 4:00pm
Friday 9:00am - 4:00pm
Saturday Closed
Sunday Closed

  • Bulk Mail Acceptance
  • Bulk Mail Account Balance
  • Bulk Mail New Permit
  • 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)
  • Passport Acceptance
  • Passport Photo
  • Pickup Accountable Mail
  • Pickup Hold Mail
  • PO Box Online
  • 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:

Kenilworth
641 Boulevard
0.7 mile away

Chestnut
611 Chestnut St
0.7 mile away

Union Center
1965a Morris Ave
0.7 mile away

Vauxhall
2215 Springfield Ave
1.0 miles away

Reviews

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the mail person today, from the truck , just threw my package in my front lawn, good my neighbor saw it & called me, i have a mailbox that will fit the package & my porch too is open, it could have been blown away…no regard for somebody’s property
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Went to post office before 1 pm , was able to enter within building but I was told it was closed it’s not fair if I was there before time.This is very rude.
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I have not received my mail in 3 weeks . Filed a complaint got nothing . Call main post office amd was hung up on after being treated VERY rudely !
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I received a package which was physically and obviously opened. When I went to speak with the manager she acted as though she could care less and as if I was bothering her. She asks, “ Is everything you ordered in the box?” Really? The point is it was opened! She acts as if it is okay. Apparently this happens ALL the time. Believe me, I will be taking this to the next level. This is NOT okay.
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Called for 2 hours, some guy who claimed to be a supervisor, who couldn’t speak clearly in the phone was rude and unhelpful kept putting me on hold, my customers box was scanned delivered and it wasn’t delivered and they don’t have an answer. Sounds like someone is stealing boxes in their office. Beware if your box goes through this office, you won’t get much help.
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My package made it all the way across the country with UPS. When it got handed off to USPS and set up for delivery today, all of a sudden I get a message, "insufficient address".
• Replied to Brandon Holt

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For over 1 year I've had terrible delivery. some mail was returned to sender as unavailable. Since 1982 my address has bee 1155 West Chestnut St., Rear Annex Building. some times my mail is left in the main building and someone kindly brings it over.On thursday 7/13/2020 I received a packet of mail that had been mailed from NJ in the first week of June. As of today, 7/24 I have receive no mail since then This service is unacceptable
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Called to find out what time they closed today, tax day. Not staying open any later. Elizabeth used to stay open until midnight on tax day. She did not know of any offices open any later. Down town Newark may be open but not sure. Really? You work there, should have this information. Tax Day. No one tells them this? Nonsense...
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scheduled a pickup online last night. explicit instructions where it is, on porch, inside door on the floor to the left. never picked up, but 5 deliveries made. last one put the delivery on top of the pickup....a holes. no wonder they are losing business to ups and fed ex. they blow
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I see that the parking lot at the post office on West Chestnut St. is still closed for repaving after more than a month. I need my driveway repaved. Can you please let me know who the paving contractor is so I don't make the mistake of hiring them?
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On July 25, 2017, I called the 1130 W Chestnut St, Union, NJ 07083 usps location at 4:50PM to check on a package that I'm worried about. Whoever was working that day decided it would be cute to pick up the phone, put me on hold and then leave me on hold until the location closed. I just had a simple question, but I got treated like dog shit just because it was close to the end of the day. I don't appreciate that.
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