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USPS delivery confirmation helps you track and confirm your packages by letting you know the date and time your shipment has been delivered or that a delivery attempt was made. It is also known as “USPS tracking”.

Delivery confirmation is good for many situations, such as when you are shipping high-value goods, want to know when your packages are delivered, or want your customers to know when they should expect their shipments.


Report A Lost Shipment

Delivery confirmation is also helpful when reporting a lost shipment. If a First Class Mail or Priority Mail shipment has not arrived within five (5) Postal business days from its date of mailing, you can report the loss via phone or web:

  • Call 1-800-ASK-USPS (1-800-275-8777) where a customer service representative will document your mail loss complaint.
  • Visit the USPS site and complete a missing mail report 

Access Tracking Details

  • View real-time tracking status from your ShipStation account via the Shipments tab
  • Use the Track & Confirm tool on
  • Contact the USPS direct at 1-800-222-1811.

Services That Include Tracking

  • Included for free with these domestic services:
    • Priority Mail
    • Priority Mail Express
    • Parcel Select
    • Media Mail
    • First Class (excluding the Large Envelope/Flat)
    • Most Military Mail (APO/FPO destinations)
  • Available on some international shipments.  Further restrictions apply. Check out for which countries offer tracking to your desired destination. 
  • Not available on First Class Large Envelope/Flat

General restrictions apply

The package must be greater than ¾ inch thick. Thinner contents must be placed and sent in a rigid box or container that won’t lose its shape or collapse into a flat or letter-sized piece during handling and delivery.


Delivery confirmation is not the same as insurance. However, it is required when insuring a package, either through USPS or Shipsurance. Learn about your insurance options here.