There are 2 Post Offices in Ottumwa, Iowa, serving a population of 24,705 people in an area of 16 square miles. There is 1 Post Office per 12,352 people, and 1 Post Office per 7 square miles.
In Iowa, Ottumwa is ranked 820th of 1056 cities in Post Offices per capita, and 808th of 1056 cities in Post Offices per square mile.
Find addresses, phone numbers, fax numbers, hours & services for Ottumwa Post Offices.
United States Postal Service 616 West 2nd Street Ottumwa, IA Mailing Service, Postal Services
United States Postal Service-Usps 337 Church Street Ottumwa, IA