letterboxes's Usage Examples:

letterboxes in a local area.

NB: Not all of our offices have letterboxes which are accessible in out of office hours.

One congregation posted the last edition through local letterboxes, along with a Christmas card.

Offenders poured an accelerant onto front doors of the houses and through letterboxes and set alight using matches.

He is looking for people to put it through their neighbors ' letterboxes, so that everybody gets a copy.

Half a million tons of unwanted mail is posted through people's letterboxes in the UK every year.