Post Office in Warren County, NJ

Stewartsville Post Office
Stewartsville Post Office

731 Highway 57, Warren County, NJ 08886

908-859-1428

Vienna Post Office
Vienna Post Office

7 Water Street, Warren County, NJ 07880

908-637-4691

Phillipsburg Post Office
Phillipsburg Post Office

361 Memorial Parkway, Warren County, NJ 08865

908-859-3666

Allamuchy Post Office
Allamuchy Post Office

16 Old Alamuchy, Warren County, NJ 07840

908-852-1093

Q&A

1. What services do post offices in the U.S. provide?

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U.S. post offices offer a variety of services including mailing and shipping, passport applications, P.O. Box rentals, money orders, and more.

2. How can I track my mail or package?

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You can track your mail or package using the tracking number provided at the time of shipment. Enter this number on the USPS website or app to see current delivery status.

3. What are the typical operating hours for a U.S. post office?

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Most post offices open from 9 AM to 5 PM on weekdays, with limited hours on Saturdays. However, hours can vary by location, so it’s best to check the specific branch.

4. How do I change my address with the USPS?

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You can change your address online through the USPS website or by filling out a change of address form at your local post office.

5. What should I do if my mail is lost or delayed?

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First, check the tracking status. If there are issues, you can file a claim or request assistance online or at your local post office.

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