Passport Application Services - Cliffside Park 289 Gorge Rd Cliffside Park, NJ 07010 Phone : (201) 943-5271 Business Category Passport Application Services Toll-Free           (800) ASK-USPS Fax           (650) 577-4378 Post Office - Cliffside Park 289 Gorge Rd Cliffside Park, NJ 07010 Phone : (201) 943-5271 Post Office - Cliffside Park Business Category Post Offices Toll-Free           (800) ASK-USPS Fax           (650) 577-4378