14515 Church Street, Upper Marlboro, MD 20773
Phone: 301-627-2636 | Fax: 301-627-1066
Mailing address: P.O. Box 187, Upper Marlboro, MD 20773
Office hours: Monday – Thursday 9 am – 12 noon
parishadmin@trinityuppermarlboro.org
Donate using PayPal or Zelle to parishadmin@trinityuppermarlboro.org.
