What is Zip Code (Pin Code) Zipper Code format of USA

In the United States, a postal code is known as a ZIP code, which stands for “Zone Improvement Plan.” The standard format for a ZIP code in the USA is a five-digit number, such as 90210. However, there are also extended versions called ZIP+4 codes, which include the standard five-digit ZIP code followed by a hyphen and four additional digits, like 90210-1234. The additional digits help pinpoint a specific location or address within the standard ZIP code area.