USPS IMb tracking number
0004090410913600000133122
Tracking code 00040904109136000001
Label created
Label createdIn transitDelivered
Tracking history
Label created Oct 29, 2026 4:02 PM UTC. Waiting for the first USPS scan.
Scan data comes from USPS Informed Visibility and can arrive hours after the scan itself. Letters often have no delivery scan; the last processing scan is usually the destination facility.