Passport Application Services - Marian Oldham 4021 Laclede Ave Saint Louis, MO 63108 Phone : (314) 533-4697 Business Category Passport Application Services Toll-Free           (800) ASK-USPS Post Office - Marian Oldham 4021 Laclede Ave Saint Louis, MO 63108 Phone : (314) 533-4697 Business Category Post Offices Toll-Free           (800) ASK-USPS