There are 2 Post Offices in Caldwell, Idaho, serving a population of 51,634 people in an area of 23 square miles. There is 1 Post Office per 25,817 people, and 1 Post Office per 11 square miles.
In Idaho, Caldwell is ranked 229th of 300 cities in Post Offices per capita, and 225th of 300 cities in Post Offices per square mile.
Find addresses, phone numbers, fax numbers, hours & services for Caldwell Post Offices.
United States Government - Huston Post Office 16021 Pride Lane Caldwell, ID Air Cargo, Mailbox Rental, Mailing Service, Postal Services
United States Postal Service 823 Arthur Street Caldwell, ID Mailing Service, Postal Services