There are 10 Post Offices in Grant County, Oregon, serving a population of 7,209 people in an area of 4,528 square miles. There is 1 Post Office per 720 people, and 1 Post Office per 452 square miles.
In Oregon, Grant County is ranked 4th of 36 counties in Post Offices per capita, and 31st of 36 counties in Post Offices per square mile.
Find addresses, phone numbers, fax numbers, hours & services for Grant County Post Offices.
US Post Office 610 Highway 395 North Long Creek, OR
United States Postal Service 151 North Canyon Boulevard John Day, OR Mailing Service, Postal Services
United States Postal Service 145 East Franklin Avenue Dayville, OR Mailing Service, Postal Services
United States Postal Service 101 West Main Street Mount Vernon, OR Mailing Service, Postal Services
United States Postal Service 101 South Clark Street Canyon City, OR Mailing Service, Postal Services
United States Postal Service 41345 Highway 19 Suite B Kimberly, OR Mailing Service, Postal Services
United States Postal Service 150 Southwest Main Street Prairie, OR Mailing Service, Postal Services
United States Postal Service 610 Highway 395 North Long Creek, OR Mailing Service, Postal Services
United States Postal Service 112 Barnes Avenue Seneca, OR Mailbox Rental, Mailing Service, Postal Services
United States Postal Service 177 North Street Monument, OR Freight Trucking, Logistics, Mailing Service, Postal Services