Prince William County Post Office

Find Prince William County Virginia post offices and USPS mailing boxes. Post offices provide information on bulk mail services, domestic mail delivery, international shipping, change of address, mail forwarding, PO boxes, and passport services.


Bristow Post Office 11151 Valley View Drive Bristow VA 20136 703-368-8209


Catharpin Post Office 4625 Sudley Road Gainesville VA 20155 703-754-8944

Dumfries Post Office 17949 Main Street Dumfries VA 22026 703-441-8304

Gainesville Post Office 14689 Lee Highway Gainesville VA 20155 703-754-3443

Haymarket Post Office 14658 Gap Way Gainesville VA 20155 703-754-0937

Nokesville Post Office 12913 Marsteller Drive Nokesville VA 20181 703-594-3936

Occoquan Post Office 202 Mill Street Occoquan VA 22125 703-491-7604

Prince William Post Office 3360 Post Office Road Woodbridge VA 22193 703-878-2715

Quantico Post Office 400 5th Avenue Quantico VA 22134 703-640-7577

Shacklefords Post Office 30165 Shackleford Way Woodbridge VA 22191 804-785-2440

Triangle Post Office 18627 Old Triangle Road Triangle VA 22172 703-221-9546

Woodbridge Post Office 1810 Reddy Drive Woodbridge VA 22191 703-494-6017

What Change of Address options are available?

Customers can request a temporary or permanent Change of Address either online or in person at the Post Office using PS Form 3575. The online application for Change of Address has a $1.00 identity validation fee.

Is it possible to insure mail and items sent via the USPS?

Yes. Standard mail can be insured for up to $5,000 for an additional fee. Registered mail items can be insured for up to $50,000.

What is the USPS Office of Inspector General?

The Office of Inspector General (OIG) is a division within the USPS responsible for ensuring the integrity and accountability of the postal service. It conducts investigations to safeguard the postal system and performs audits and reviews.