noun
collection point for held mail
A post office or designated location where mail or packages are held for the recipient to pick up, often after a failed delivery attempt. Related to the verb 留め置く (to hold/retain).
See also: 留め置き
不在票に留置局が記載されていた。
The collection point was written on the missed-delivery notice.
荷物は最寄りの留置局で受け取れます。
You can pick up the package at the nearest collection point.