Post Office - Flushing 4165 Main St Ste 1 Flushing, NY 11355 Phone : (718) 321-6890 Business Category Post Offices Toll-Free           (800) ASK-USPS Fax           (718) 321-6842 Passport Application Services - Flushing 4165 Main St Ste 1 Flushing, NY 11355 Phone : (718) 321-6890 Business Category Passport Application Services Toll-Free           (800) ASK-USPS Fax           (718) 321-6842 Automated Postal Center - Flushing 4165 Main St Ste 1 Flushing, NY 11355 Phone : (718) 321-6890 Business Category Automated Postal Centers Toll-Free           (800) ASK-USPS Fax           (718) 321-6842