There are 2 Post Offices in Dumas, Mississippi, serving a population of 429 people in an area of 4 square miles. There is 1 Post Office per 214 people, and 1 Post Office per 1 square miles.
In Mississippi, Dumas is ranked 137th of 508 cities in Post Offices per capita, and 246th of 508 cities in Post Offices per square mile.
Find addresses, phone numbers, fax numbers, hours & services for Dumas Post Offices.
United States Government 3481 Highway 370 Dumas, MS
United States Postal Service 3481a Highway 370 Dumas, MS Mailing Service, Postal Services