Download the replacement passport application and complete. You can also get a passport application at your local post office. Gather your birth certificate, photo identification, passport-sized photos and fees.
Take the application to your local passport center or post office. Submit your information and pay the applicable fees. Your new passport will be mailed to your home.
Read the number off copies in your records. Before traveling you should always make copies to keep at home and file with the U.S. Embassy in case your passport is lost or stolen. The number on these documents would be the same as your passport number.