Insufficient Address

Also described officially as: incomplete address

Part of the delivery address is missing, incomplete, or incorrect. The package is being returned to the sender.

Act or wait: Act now
Who must act: Shipper
Official deadline or hold: no official deadline found
Last checked: 2026-11-10 (Asia/Shanghai)

Official wording

The package is being returned to the sender. Some part of the delivery address is missing, incomplete, or incorrect and the package can't be delivered.

Source: USPS — Where is my package?

What to do

Recipient: contact the shipper. Shipper: when the package returns, confirm a complete, legible address and reship with new postage.

Open official USPS tracking

Sources

USPS Where is my package? Accessed 2026-11-10