Cheltenham, MD

ZIP code 20623 covers Accokeek, Maryland, a charming rural community located in Prince George's County. This area is home to the Piscataway Park, a beautiful national park along the Potomac River that offers stunning views and opportunities for outdoor recreation. Additionally, the area is known for its historic buildings, including the Mount Calvert Historical and Archaeological Park, a significant archaeological site dating back to the early Colonial period.