USPS Tracking Code Abbreviations

The following letter tracking codes are authored by USPS and used in the Certified Mail Labels Summary Tracking report.

Code:  Meaning:

I - In transit

D - Delivered

N - shipping label prepared/not indicate receipt

U - Unable to deliver

1 Not Found

0 Found – No Status

A - Accepted Logged at USPS

C - Customer Recall

E - Dead Letter

F - Forwarded to New Address

I - Scanned in Route

L - Notice Left for Recipient

N - New Item

O - Out for Delivery

P - Available for Pickup

R - Returned to Sender

U - Undeliverable

V - Delivery Status Not Update

X - Other