First Class Mail Tracking. Its Very Quick and Easy. As your mail travels through the postal system to its destination the intelligent mail barcodes on your mailpieces are scanned at each facility.
Your Post Office shipping receipt. Add a first class mail tracking barcode to your letter mail flat mail and bubble mail for as little as 18 per mailpiece. First Class Mail Tracking Letter Track adds a USPS intelligent mail barcode above the address block of the recipient of your mailpiece.
Track your First-Class Mail.
Your sales receipt if you bought insurance at the Post Office. 10222018 First Class Mail Tracking First Class mail can be expected to be delivered from one-to-three days but there are no guarantees. 055 at Post Office. Its the best option regarding cost efficiency if your mail weighs 13 ounces or less.
