Passport Application Services - Sussex 455 State Rt 23 Ste 5 Sussex, NJ 07461 Phone : (973) 875-7410 Business Category Passport Application Services Toll-Free           (800) ASK-USPS Fax           (650) 577-4316 Post Office - Sussex 455 State Rt 23 Ste 5 Sussex, NJ 07461 Phone : (973) 875-7410 Business Category Post Offices Toll-Free           (800) ASK-USPS Fax           (650) 577-4316