Many times Post Offices have lobby drops for local, metered and stamped. Some have drops for Express Mail.
Post office.Postal service.
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Go to the post office and ask ... Dohh!
There is little difference between putting a letter in the mail box verses dropping it off at a post office. It does save the time in having to queue for a stamp if the post office is busy and you can put a letter in the mail box even when the post office is closed.
via the post office.
post office = royal mailmail = post or letters mailbox = letterbox to mail a letter = to post a letter
you put a stamp on the letter, stick it in your mail box, or run up to the nearest post office, or stick it in the mail box outside the post office.
no, but you need a stamp on the letter, you can buy stamps at grocery stores in some states and mail the letter in a secure mailbox , not necessarily at the post office.
stamp
letter box
no
By what the stamp the stamped.