Catonsville, MD Post Offices

• 21228

  Post Office	Address	Phone	Hours
  CATONSVILLE	1001 FREDERICK RD CATONSVILLE, MD 21228 - 9998	410-869-7204	Mon-Fri 08:30 AM - 05:00 PM Sat 09:00 AM - 03:00 PM Sun Closed
  CATONSVILLE CARRIER ANNEX	700 GEIPE RD REAR CATONSVILLE, MD 21228 - 9997	410-869-9546