Monrovia Post Office

4411 Green Valley Rd, Monrovia, MD 21770

Contact Numbers

Phone: 301-865-5432
TTY: 877-889-2457
Toll-Free: 1-800-Ask-USPS® (275-8777)

Retail Hours







Lobby Hours
PO Box Access Available

Monday 8:00am - 4:30pm
Tuesday 8:00am - 4:30pm
Wednesday 8:00am - 4:30pm
Thursday 8:00am - 4:30pm
Friday 8:00am - 4:30pm
Saturday 8:00am - 12:00pm
Sunday Closed

Last Collection Times

Monday 4:30pm
Tuesday 4:30pm
Wednesday 4:30pm
Thursday 4:30pm
Friday 4:30pm
Saturday 12:00pm
Sunday Closed

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

  • Bulk Mail Acceptance
  • Business Line
  • 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
  • Lobby has Copier
  • Street Parking

Visit our Links Page for links to 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:

New Market
168 W Main St
1.3 miles away

Damascus
26400 Woodfield Rd
3.8 miles away

Mount Airy
505 Windy Knoll Dr
4.9 miles away

Clarksburg
22505 Gateway Center Dr
5.2 miles away

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