When registering an ID for an Apple computer, zip refers to the zip code. Just fill in the zip code of your location.

Zip is an English word, zip code, an internationally accepted postal code method.

The United States Postal Code (English: ZIP Code) is a postal code used by the United States Postal Service. It is usually written in capital letters as ZIP. ZIP is the abbreviation of Zone Improvement Plan in English, which implies that mail can be delivered to its destination more efficiently and quickly.

The most basic ZIP number consists of five numbers, and four numbers were subsequently added to allow the mail to be delivered to the destination more accurately. The ZIP number after the added number is called "ZIP 4". The ZIP number was once registered as a trademark by the United States Postal Service, but its registration has expired.

Extended information:

In June 1963, postal codes were born in the United States to cope with the rapidly growing demand for mail delivery. The United States became the first group in the world to have postal codes. Encoding country.

The postal code is implemented to automate letter sorting, because computers cannot recognize Chinese, but they can recognize numbers. By coding each area, you can quickly use a computer to sort. Of course, the more detailed the writing, the better.

my country’s postal code adopts a four-level six-digit coding structure. The first two digits represent the province (municipalities, autonomous regions); the first three digits represent the postal code; the first four digits represent the county (city); and the last two digits represent the delivery office (office).

Reference: Baidu Encyclopedia - Zip (English word)

Baidu Encyclopedia - Postal Code