Put Up Zip Code Contract For Free

A United States postal code, for example, might be either five digits or five digits followed a hyphen (dash) and another four digits (12345-1234). If you are validating US postal codes, allow for both conditions. The following rule validates a field that can be five digits, five digits + dash + 4 digits, or blank.

The U.S. Postal Service uses ZIP Code. It also includes a trademark symbol (ZIP Code?) even though available information suggests the mark expired in 1997. The Associated Press Stylebook advises using ZIP code.

The correct way to address letters and packages in the United States is "City, State ZIP code". This format ensures that the letter or package is delivered to the correct location. In this example, "New York" is the city, "NY" is the state abbreviation, and "10001" is the ZIP code.

Use all-caps for ZIP and always lowercase the word code. Use the uppercase abbreviated two-letter U.S. Post Office standard for states and territories. Don't put a comma between the state name and the ZIP code.

The most complete ZIP Code is a nine-digit number consisting of five digits, a hyphen, and four digits, which the USPS describes by its trademark ZIP+4. The correct format for a numeric ZIP+4 code is five digits, a hyphen, and four digits.

Since our caller works for the U.S. government, and ZIP codes are a government thing, I checked the US Printing Office style guide first. It recommends ?ZIP Code.? Associated Press style is similar: ?ZIP code??two words with ?ZIP? in all caps?but it uses a lowercase C, and I was surprised it would deviate.

The 2020?2022 edition of the Associated Press Stylebook says to write ?all-caps ZIP for Zone Improvement Plan, but always lowercase the word code.? But don't despair. We are filing your question with the many other suggestions from our readers for future editions of CMOS.