Gunpowder Post Office
4405 Austin Rd, Gunpowder, MD 21010
Phone: 410-676-1905
TTY: 877-889-2457
Toll-Free: 1-800-Ask-USPS® (275-8777)
PO Box Access Available
Monday 11:30am - 3:30pm
Tuesday 11:30am - 3:30pm
Wednesday 11:30am - 3:30pm
Thursday 11:30am - 3:30pm
Friday 11:30am - 3:30pm
Saturday Closed
Sunday Closed
Monday 3:30pm
Tuesday 3:30pm
Wednesday 3:30pm
Thursday 3:30pm
Friday 3:30pm
Saturday Closed
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)
- Packaged Stamps
- 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:
Edgewood
2290 Hanson Rd
1.6 miles away
Joppa
906 Joppa Farm Rd
3.1 miles away
Chase
12404 Eastern Ave
3.2 miles away
Abingdon
2945 Emmorton Rd
3.6 miles away
Harford County