There are 3 Post Offices in Kennewick, Washington, serving a population of 78,858 people in an area of 28 square miles. There is 1 Post Office per 26,286 people, and 1 Post Office per 9 square miles.
In Washington, Kennewick is ranked 451st of 729 cities in Post Offices per capita, and 440th of 729 cities in Post Offices per square mile.
Find addresses, phone numbers, fax numbers, hours & services for Kennewick Post Offices.
US Post Office 6815 West Canal Drive Kennewick, WA Mailing Service, Postal Services
US Post Office 72304 Southeast 3rd Avenue Kennewick, WA
United States Postal Service 525 South Auburn Street Kennewick, WA Mailbox Rental, Mailing Service, Postal Services