4 digit zip code extension used

A complete, nine-digit ZIP Code consists of two parts. The first five digits indicate the destination post office or delivery area. Even though they all mean the same thing, The U. The last 4 digits of the nine-digit ZIP Code represents a specific delivery route within that overall delivery area.

All 9-digits of full zip codes assist the USPS in effectively sorting the mail. More and more companies are requiring it on paperwork and forms. We are a licensed distributor of the U. Our databases contain every street and address range in the U. Enter a ZIP Code to see all information regarding it. Businesses and organizations sometimes get their own ZIP Codes, due to the volume of mail they send and receive.

These are frequently benefiting from bulk mailing discounts, since the organization usually has a mail department that 1 presorts mail before giving it to the USPS, and 2 distributes mail internally so the USPS doesn't have to.

Using full ZIP Codes ensure the fastest, most accurate mailing possible. They're only provided for an address once the address has been standardized , validated and proven real. These codes indicate a specific delivery route , meaning the actual path the mail truck would travel in a single drop-off. Usually this comprises ten to twenty homes or locations.

Because ZIP codes plus 4 extra digits are based on delivery routes instead of more permanent boundaries, the last 4 digits of a complete ZIP Code can change often.

Not so for the full 9-digit ZIP Code. For another thing, they can help get you those bulk mailing discounts. Another important benefit to using the last four digits of ZIP Codes is delivery speed. That's right, your mail can show up faster if you label things right. These digits identify a specific geographic segment in delivery area. The two codes are essentially the same in their purpose , but the term Zip code is mainly used in the USA; Postal Code is commonly used in other countries.

Each number of a zip code corresponds to a specific piece of information about the destination. The first number, between , denotes a geographic area of the U. The second two numbers of a zip code specify a specific region within that geographic area and the last two are meant to indicate a specific Post Office.

United States ZIP codes are five numerical digits long. The first digit in a ZIP code represents a defined group of U. There are 41, ZIP Codes in the country. A postal code also known locally in various English-speaking countries throughout the world as a postcode, post code, PIN or ZIP Code is a series of letters or digits or both, sometimes including spaces or punctuation, included in a postal address for the purpose of sorting mail. ZIP Codes are numbered with the first digit representing a certain group of U.

The standard zip code notation used by the United States Postal service uses five digits to identify a delivery area.