Colonia Post Office

574 Inman Ave, Colonia, NJ 07067

Contact Numbers:

Phone: 732-388-3760
TTY: 877-889-2457
Toll-Free: 1-800-Ask-USPS® (275-8777)

Retail Hours

Pickup Services Hours

Monday-Friday 10:00am - 7:00pm
Saturday 8:30am - 4:00pm
Sunday Closed

Lobby Hours

Monday-Friday 9:00am - 7:00pm
Saturday 8:30am - 4:00pm
Sunday Closed

PO Box Access Hours

Monday-Friday 9:00am - 7:00pm
Saturday 8:30am - 4:00pm
Sunday Closed

PO Box Delivery Time

Monday-Saturday 11:00am
Sunday Closed

Last Collection Times

Monday-Friday 5:00pm
Saturday 4:00pm
Sunday Closed

Carrier Facility Hours

Monday-Friday 9:00am - 5:00pm
Saturday 8:30am - 4:00pm
Sunday Closed

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

  • 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 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:

250 Middlesex Turnpike
1.1 miles away

Iselin Retail
240 Middlesex Turnpike
1.1 miles away

1087 Raritan Rd
1.3 miles away

202 Center St
2.1 miles away


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I went to the Colonia NJ post office today at approximately 5:45 pm to drop off a return item for Lord and Taylor. When I walked into the post office there were no employees in site. Several people walked in and dropped off mail etc. After waiting in line for five minutes a womens voice came from the back room saying "is anyone there"...I said Yes...She said "i will be right there" 10 minutes later she finally came to the desk and said "can I help you". I told her i wanted to drop off a return. Well she got very nasty and said I did not need her for that..i could just drop it off at the desk. I tried to explain i felt uncomfortable just dropping off my packages while other customers were walking in and out of the post office and there were not any employees there. She again...repeated herself in a nasty tone JUST LEAVE THEM AT THE DESK. I normally do not complain...but i have to let you know this women has a very nasty attitude. I would not be surprised if she throws my package in the garbage.

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