A standard ZIP code has five digits, but the adds a hyphen and four extra numbers:
: Identify a specific delivery area or post office.
: Pinpoint a much smaller area, such as a city block , a specific apartment building , or even a single floor of a large high-rise. Why Use the Full ZIP?
The phrase is likely a play on words referring to the ZIP+4 Code , also known as a 9-digit ZIP Code . Using a "full" ZIP code ensures your mail travels as efficiently—or "to the fullest"—as possible through the U.S. Postal Service . What is a "Full" ZIP Code?
While not required for personal mail, using the full 9-digit code offers several technical benefits: ZIP+4 Code lookup | Get last 4 digits of 9-digit ZIP Codes
By clicking "Accept Non-Essential Cookies" you agree ACCU can store non-essential cookies on your device and disclose information in accordance with our Privacy Policy and Cookie Policy.
Current Setting: Non-Essential Cookies REJECTED To-the-Fullest.zip
By clicking "Include Third Party Content" you agree ACCU can forward your IP address to third-party sites (such as YouTube) to enhance the information presented on this site, and that third-party sites may store cookies on your device. A standard ZIP code has five digits, but
Current Setting: Third Party Content EXCLUDED The phrase is likely a play on words
Settings can be changed at any time from the Cookie Policy page.