There are 2 Post Offices in Columbia, Louisiana, serving a population of 398 people in an area of 1 square miles. There is 1 Post Office per 199 people, and 1 Post Office per square mile.
In Louisiana, Columbia is ranked 150th of 632 cities in Post Offices per capita, and 112nd of 632 cities in Post Offices per square mile.
Find addresses, phone numbers, fax numbers, hours & services for Columbia Post Offices.
US Post Office 305 Wall Street Columbia, LA
United States Postal Service 305 Wall Street Columbia, LA Mailing Service, Postal Services