Green Brook Post Office

1003 N Washington Ave, Green Brook, NJ 08812

Contact Numbers:

Phone: 732-968-2083
TTY: 877-889-2457
Toll-Free: 1-800-Ask-USPS® (275-8777)

Retail Hours

Pickup Services Hours

Monday-Friday 9:00am - 1:00pm, 2:00pm - 5:00pm
Saturday-Sunday Closed

Lobby Hours

Monday-Friday 9:00am - 5:00pm
Saturday 10:30am - 1:00pm
Sunday Closed

PO Box Access Hours

Monday-Friday 9:00am - 5:00pm
Saturday 10:30am - 1:00pm
Sunday Closed

Last Collection Times

Monday-Friday 5:00pm
Saturday 11:00am
Sunday Closed

Carrier Facility Hours

Monday-Friday 11:00am - 12:45pm, 2:15pm - 4:00pm
Saturday-Sunday Closed

*This facility does not process US Passports applications or renewals. Check nearby locations below.

  • Duck Stamps
  • Money Orders (Domestic)
  • Money Orders (International)
  • Pickup Accountable Mail
  • Pickup Hold Mail
  • PO Box Online
  • Priority Mail International®
  • Lot Parking

Visit our Links Page for Change of Address, Hold Mail/Stop Delivery, PO Boxes™ rentals and fees, Rates on Postage Stamps and Freight/Shipping, Holidays, Bulk Mail, Money Orders, and Available Jobs.

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

Nearby Post Offices:

Station a Plainfield
14 Clinton Ave
0.9 mile away

New Market
44 Stelton Rd Ste 100
1.1 miles away

95 Marlborough Ave
1.5 miles away

475 Watchung Ave Ste 1
1.7 miles away


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* is not a part of, or affiliated with, the official United States Postal Service (USPS).