No Such Number

USPS groups this with Insufficient Address: the address cannot be delivered as written and 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? (Insufficient Address / No Such Number)

What to do

Shipper must correct the street number/address and reship with new postage after return. Recipient should alert the seller.

Open official USPS tracking

Sources

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