Automated Postal Center - Keizer 5454 River Rd N Keizer, OR 97303 Phone : (503) 304-0655 Business Category Automated Postal Centers Toll-Free           (800) ASK-USPS Fax           (503) 370-4707 Post Office - Keizer 5454 River Rd N Keizer, OR 97303 Phone : (503) 304-0655 Business Category Post Offices Toll-Free           (800) ASK-USPS Fax           (503) 370-4707