Caldwell Post Office

10 Park Ave, Caldwell, NJ 07006

Contact Numbers

Phone: 973-227-2699
TTY: 877-889-2457
Toll-Free: 1-800-Ask-USPS® (275-8777)

Retail Hours







Lobby Hours
PO Box Access Available

Monday 7:00am - 4:30pm
Tuesday 7:00am - 4:30pm
Wednesday 7:00am - 4:30pm
Thursday 7:00am - 4:30pm
Friday 7:00am - 4:30pm
Saturday 7:00am - 12:00pm
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
  • 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:

Essex Fells
297 Runnymede Rd
0.6 mile away

Roseland
160 Eagle Rock Ave
1.0 miles away

Verona
682 Bloomfield Ave
1.1 miles away

West Caldwell
155 Clinton Rd
1.2 miles away

Reviews

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Horrible horrible customer service I waited in line to mail out express mail over night packages they required a signature tongue asked for a number to where they were going I said I don’t know let me look it up so I stepped to the side so they could take other customers he said he would take me as soon as I filled it out so I waited for 20 additional people to be taken ahead of me and now mind you people who weren’t waiting before me were now being taken as they came in and I said excuse me I’ve been waiting and his response was sorry yours is going to take at least 15 minutes and we have a long line and I said I don’t care I waited in that line to be seen the second time because you needed a number which I got you and went back to the end of the line and now your making me wait for people behind me in line again. What’s the purpose of standing in line and waiting your turn then?
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