Madisonville ZIP Code List — Saint Tammany County, LA
There is one unique ZIP code in Madisonville, Louisiana and it is 70447. Area code: 985.
1
ZIP codes
30.96
sq mi land
2.42
sq mi water
985
area code
Madisonville, LA ZIP code map
About Madisonville, LA
Madisonville, Louisiana, is a charming small town located in the heart of Saint Tammany Parish. Known for its picturesque landscapes and rich historical significance, it attracts residents and visitors alike. The town boasts a unique blend of Southern culture and natural beauty, making it a desirable location in the Pelican State.
Location & geography
Madisonville is situated on the North Shore of Lake Pontchartrain, providing it with stunning waterfront views. This quaint town is surrounded by communities like Covington, which is about 10 miles to the west, and Mandeville, approximately 5 miles to the east. The total land area covers 30.96 square miles, with an additional 2.42 square miles of water, highlighting the town's scenic lakeside terrain.
Community & economy
The character of Madisonville is that of a tight-knit, friendly community, where local events and a strong sense of heritage are celebrated. The economy here thrives on small businesses and tourism, particularly related to the nearby waterways and historical landmarks. Daily life in Madisonville often centers around outdoor activities, including fishing and boating, drawing many to its natural resources.
Transportation
Madisonville is easily accessible via U.S. Highway 190, which connects it to other major cities in Louisiana. The nearest airport is Louis Armstrong New Orleans International Airport, located about 41 miles to the southwest. Public transportation options are limited, but residents often rely on personal vehicles for commuting.
History
Founded in the early 19th century, Madisonville has a rich history rooted in the timber and shipping industries, thanks to its location along the Tchefuncte River. One of the notable events in its history includes the establishment of the Old Madisonville State Bank in 1895, which has since become a historical landmark. The town's heritage is reflected in local festivals and events that celebrate its cultural roots.
Did you know?
A surprising fact about Madisonville is that it is home to the oldest working boatyard on the Gulf Coast, where wooden boats are still crafted using traditional methods. Additionally, the town hosts an annual Wooden Boat Festival, attracting visitors from all over and celebrating its maritime legacy.
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions
What is the ZIP code for Madisonville, LA?
Madisonville, LA has one ZIP code: 70447.
What is the main ZIP code for Madisonville, LA?
The primary ZIP code for Madisonville, LA is 70447. The city uses area code 985 for phone service.
What county is Madisonville, LA in?
Madisonville is located in Saint Tammany County, Louisiana.
How many ZIP codes are in Madisonville, LA?
Madisonville, LA has 1 ZIP code.
What ZIP code covers the downtown Madisonville area along the Tchefuncte River waterfront?
The downtown Madisonville waterfront area is located in ZIP code 70447, which encompasses the historic riverside district and marina area of this Saint Tammany Parish community.
What is the ZIP code for the Madisonville area near the Tchefuncte River Bridge and local schools?
Madisonville and its surrounding neighborhoods, including areas near the Tchefuncte River Bridge and local educational facilities, are served by ZIP code 70447.
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