Chatham Post Office

NOTICE: The Postal Service is an essential government service, and will remain open wherever possible.

19 S Passaic Ave, Chatham, NJ 07928

Contact Numbers

Phone: 973-635-8400
Fax: 651-306-6175
TTY: 877-889-2457
Toll-Free: 1-800-Ask-USPS® (275-8777)

Lobby Hours

Monday 9:00am - 5:00pm
Tuesday 9:00am - 5:00pm
Wednesday 9:00am - 5:00pm
Thursday 9:00am - 5:00pm
Friday 9:00am - 5:00pm
Saturday 9:00am - 3:00pm
Sunday Closed

Last Collection Times

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

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

  • Business Line
  • Pickup Accountable Mail
  • Pickup Hold Mail
  • Street 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:

Chatham Annex
219 Main St Ste B
0.0 mile away

61 Maple St
1.3 miles away

Madison Carrier Annex
33 Central Ave
1.5 miles away

10 Lincoln Pl
1.5 miles away


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Mail consistently arrives late from Chatham NJ post office to the Township of Summit NJ 5+ working days in some cases it never arrives. I card mailed on April 20th to Caldwell, NJ as of today April 30th it has not been received. My confidence in our local post office has been diminished.

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