Sylmar Post Office 4 years ago ID: #365363 Listed In : Government Offices 13700 Foothill Blvd, Sylmar, CA 91342 818-364-0286 postofficeshours.com/ca/sylmar/sylmar/ Business Description Sylmar Post Office in Los Angeles County, CA 91342. USPS Post office locations hours and phone numbers. Reviews & Ratings Write a Review No Review. Please login / register to add your review. Tags : Sylmar ca post office sylmar post office post office hourssylmar ca post office hours Sylmar usps near
