Passport Application Services - Scotch Plains 536 Park Ave Scotch Plains, NJ 07076 Phone : (908) 322-0674 Business Category Passport Application Services Toll-Free           (800) ASK-USPS Fax           (650) 577-4406 Post Office - Scotch Plains 536 Park Ave Scotch Plains, NJ 07076 Phone : (908) 322-0674 Business Category Post Offices Toll-Free           (800) ASK-USPS Fax           (650) 577-4406