Gunpowder Post Office

4405 Austin Rd, Gunpowder, MD 21010

Contact Numbers

Phone: 410-676-1905
TTY: 877-889-2457
Toll-Free: 1-800-Ask-USPS® (275-8777)

Retail Hours







Lobby Hours
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

Last Collection Times

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

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