Carroll Post Office

340 S Loudon Ave, Baltimore, MD 21229

Contact Numbers

Phone: 410-644-0525
Fax: 410-525-8329
TTY: 877-889-2457
Toll-Free: 1-800-Ask-USPS® (275-8777)

Retail Hours







Lobby Hours
PO Box Access Available

Monday 7:00am - 2:00pm, 3:00pm - 4:00pm
Tuesday 7:00am - 2:00pm, 3:00pm - 4:00pm
Wednesday 7:00am - 2:00pm, 3:00pm - 4:00pm
Thursday 7:00am - 2:00pm, 3:00pm - 4:00pm
Friday 7:00am - 2:00pm, 3:00pm - 4:00pm
Saturday 7:00am - 2:00pm
Sunday Closed

Last Collection Times

Monday 5:00pm
Tuesday 5:00pm
Wednesday 5:00pm
Thursday 5:00pm
Friday 5:00pm
Saturday 2:30pm
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)
  • Pickup Accountable Mail
  • Pickup Hold Mail
  • PO Box Online
  • Lobby has Copier
  • 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:

Franklin
2401 Ashton St
1.1 miles away

Walbrook
1908 N Ellamont St
1.2 miles away

Halethorpe
6 Waelchli Ave
1.3 miles away

Mondawmin Mall
2401 Liberty Heights Ave
1.8 miles away

Reviews

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I understand the plight of Carroll station post office... but not to get mail delivery in 3 weeks or daily... is not good..hopefully the supervisors is taking the initiative to help and deliver the mail where they’re falling short...
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WORST Post office EVER! No delivery for over 2 weeks.
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This is a complaint. Yesterday, 10/30/2019, the mail carrier dropped two pieces of my mail on my neighbors lawn. After raining all night, I found them soaked today. One envelope containing a credit card replacement and one envelope containing a AAA bill.
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