Flanders Post Office

240 Us Highway 206 Unit 20, Flanders, NJ 07836

Contact Numbers

Phone: 973-584-3660
Fax: 651-675-1655
TTY: 877-889-2457
Toll-Free: 1-800-Ask-USPS® (275-8777)

Retail Hours

Lobby Hours
PO Box Access Available

Monday 6:00am - 5:00pm
Tuesday 6:00am - 5:00pm
Wednesday 6:00am - 5:00pm
Thursday 6:00am - 5:00pm
Friday 6:00am - 5:00pm
Saturday 6:00am - 2:00pm
Sunday Closed

Last Collection Times

Monday 5:00pm
Tuesday 5:00pm
Wednesday 5:00pm
Thursday 5:00pm
Friday 5:00pm
Saturday 2:00pm
Sunday Closed

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

  • 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)
  • Pickup Accountable Mail
  • Pickup Hold Mail
  • PO Box Online
  • Lot Parking

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:

Budd Lake
1 Mount Olive Rd Ste 102
1.6 miles away

1 Sentry Ln
2.3 miles away

18 Maple Ave
2.3 miles away

4 Kelly Pl
2.5 miles away


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it is Monday, 11/12/18. I went to pick up my mail from my PO box. I reached the post office at 4:30PM. The doors were locked even though the lobby was supposed to be open until 5PM. I drove 30 minutes and ended up wasting my time and gas...


thats gotta suck
• Replied to KingKickass1983

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