Patuxent River ZIP Code List — Saint Marys County, MD
There is one unique ZIP code in Patuxent River, Maryland and it is 20670. Area code: 301/240.
1
ZIP codes
9.35
sq mi land
5.68
sq mi water
301/240
area code
Patuxent River, MD ZIP code map
About Patuxent River, MD
Patuxent River is a charming city located in the state of Maryland. Situated within Saint Marys County, it offers a unique blend of scenic beauty and community spirit. With its rich history and proximity to water bodies, it serves as a delightful locale for both residents and visitors.
Location & geography
Patuxent River is primarily surrounded by water, encompassing a total area of 15.03 square miles, which includes 9.35 square miles of land and 5.68 square miles of water. The city is located approximately 25 miles south of Washington, D.C., and is also within driving distance to nearby cities such as Lexington Park, which is about 7 miles away, California, MD, roughly 6 miles away, and Saint Inigoes, about 10 miles away. The terrain is characterized by its proximity to the Patuxent River itself, offering beautiful waterfront views.
Community & economy
The character of Patuxent River is heavily influenced by its proximity to the water, leading to a community that values outdoor activities and the natural environment. Many residents engage in industries related to maritime activities and tourism, contributing to the local economy. Daily life in Patuxent River includes various community events, recreational activities, and a strong appreciation for nature.
Transportation
Transportation in Patuxent River is facilitated by several highways, including Maryland Route 4, which provides access to nearby cities and destinations. The nearest major airport is the Ronald Reagan Washington National Airport, located approximately 30 miles to the north, providing connectivity for air travel.
History
Founded around the late 19th to early 20th century, Patuxent River has a rich history that includes significant maritime activities due to its strategic location along the Patuxent River. The area has been a hub for industries centered around naval and maritime services, reflecting its historical importance in these sectors. Among notable events, the establishment of nearby military installations has played a critical role in shaping the community's growth.
Did you know?
One surprising fact about Patuxent River is that it is home to the Patuxent River Naval Air Station, which is a key contributor to the local economy. Additionally, the city boasts scenic parks and waterfront access that attract outdoor enthusiasts.
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions
What is the ZIP code for Patuxent River, MD?
Patuxent River, MD has one ZIP code: 20670.
What is the main ZIP code for Patuxent River, MD?
The primary ZIP code for Patuxent River, MD is 20670. The city uses area code 301 or 240 for phone service.
What county is Patuxent River, MD in?
Patuxent River is located in Saint Marys County, Maryland.
How many ZIP codes are in Patuxent River, MD?
Patuxent River, MD has 1 ZIP code.
What is the ZIP code for the Naval Air Station Patuxent River area?
The Naval Air Station Patuxent River, one of the largest employers in the region, is located in ZIP code 20670, which serves the entire Patuxent River community in Saint Marys County.
What ZIP code should I use for mailing addresses in downtown Patuxent River?
All mailing addresses in Patuxent River, including the downtown area and surrounding neighborhoods, use the single ZIP code 20670.
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