LETTER NUMBER Crossword Clue

We know 2 solutions for: LETTER NUMBER
Crossword Puzzle Infos
The term 'LETTER NUMBER' is used to refer to a ZIP code, which is a postal code used in the United States. A ZIP code is composed of three letters followed by five numbers. The first three letters are referred to as the ZIP, while the five numbers are referred to as the ZIPCODE. ZIP codes are used to identify a specific geographic area and are used for mail sorting and delivery.
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