There are 2 Post Offices in Calumet, Iowa, serving a population of 170 people in an area of 1 square miles. There is 1 Post Office per 85 people, and 1 Post Office per square mile.
In Iowa, Calumet is ranked 68th of 1056 cities in Post Offices per capita, and 54th of 1056 cities in Post Offices per square mile.
Find addresses, phone numbers, fax numbers, hours & services for Calumet Post Offices.
US Post Office 105 2nd Street Calumet, IA
United States Postal Service 105 2nd Street Calumet, IA Mailing Service, Postal Services