letter box

Also known as: mailbox

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In postal system: United States
…with the provision of street letter boxes in 1858. A free delivery service was established in 1863, covering 49 cities and employing 440 letter carriers. By 1900 the service was provided at 796 offices by 15,322 carriers. The rural free delivery (RFD) service was introduced in 1896 and town delivery…
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