Passport Application Services - Port Chester 245 Westchester Ave Port Chester, NY 10573 Phone : (914) 939-6783 Business Category Passport Application Services Toll-Free           (800) ASK-USPS Fax           (914) 934-0968 Post Office - Port Chester 245 Westchester Ave Port Chester, NY 10573 Phone : (914) 939-6783 Business Category Post Offices Toll-Free           (800) ASK-USPS Fax           (914) 934-0968