Post Office - Memphis Main Office Window 555 S 3rd St Lbby Memphis, TN 38101 Phone : (901) 521-2575 Business Category Post Offices Toll-Free           (800) ASK-USPS Fax           (901) 521-2592 Passport Application Services - Memphis Main Office Window 555 S 3rd St Lbby Memphis, TN 38101 Phone : (901) 521-2575 Business Category Passport Application Services Toll-Free           (800) ASK-USPS Fax           (901) 521-2592