There are 2 Post Offices in Alton, Iowa, serving a population of 1,346 people in an area of 2 square miles. There is 1 Post Office per 673 people, and 1 Post Office per square mile.
In Iowa, Alton is ranked 467th of 1056 cities in Post Offices per capita, and 436th of 1056 cities in Post Offices per square mile.
Find addresses, phone numbers, fax numbers, hours & services for Alton Post Offices.
US Post Office 1022 3rd Avenue Alton, IA
United States Postal Service 1022 3rd Avenue Alton, IA Mailbox Rental, Mailing Service, Postal Services