There are 2 Post Offices in Port Sulphur, Louisiana, serving a population of 1,934 people in an area of 6 square miles. There is 1 Post Office per 967 people, and 1 Post Office per 2 square miles.
In Louisiana, Port Sulphur is ranked 263rd of 632 cities in Post Offices per capita, and 311st of 632 cities in Post Offices per square mile.
Find addresses, phone numbers, fax numbers, hours & services for Port Sulphur Post Offices.
United States Government 26852 Highway 23 Port Sulphur, LA
United States Postal Service 26852 Highway 23 Suite A Port Sulphur, LA