What is the purpose of the 4 digits after a ZIP code?

What is the purpose of the 4 digits after a ZIP code?

A ZIP+4 code uses the basic five-digit code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a city block, a group of apartments, an individual high-volume receiver of mail, a post office box, or a specific delivery route — meaning the actual path the mail truck …

What happens if last four digits of ZIP code are wrong?

Yes, when using a ZIP+4 ZIP Code, the number must consist of five digits, a hyphen (or dash), and four digits. Improperly labeled mailpieces may progress slower through the mail system and may be returned to sender if the United States Postal Service® is unable to deliver the item.

Should you use 9-digit ZIP code?

Nope. You don’t need to use the extra four-digit ZIP code. In fact, you don’t need to use a ZIP code at all, but they help your mail get there a whole lot faster, so use them if you’ve got ’em.

Why do some ZIP Codes have 9 digits?

USPS usually assigns ZIP Codes to a post office. In other words, every postal office has a ZIP code as its mailing address. So, USPS created 9-digit ZIP Codes to ensure fast and accurate mailings. They indicate the actual path the mail should travel and usually they narrow down to somewhere between ten to twenty homes.

How do I find the last 4 digits of my zip code?

To determine a ZIP +4 Code you will need to know an address. The last four digits are not specific to a city but to a street address or Post Office Box. The first five digits identify the area of the country and the delivery office to which the mail is directed.

How many zip 4 codes are there in the US?

There are 41,692 ZIP Codes in the country. ZIP Codes range from 00501, belonging to the Internal Revenue Service in Holtsville, NY, to 99950 in Ketchikan, AK.

What is the last 4 digits of your Social Security number?

Number Has Three Parts The nine-digit SSN is composed of three parts: The first set of three digits is called the Area Number. The second set of two digits is called the Group Number. The final set of four digits is the Serial Number.

Where can I find the last 4 digits of my Social Security number?

The serial number contains the last four numbers from your Social Security Number. In every group, the digits will go consecutively from as low as 0001 to as high as 9999.

What is my zip code extra 4 digits?

Your ZIP+4 is a basic five-digit code with four digits added as an extra identifier. It helps to identify a geographic segment within the five-digit delivery area, such as a city block, a group of apartments, an individual high-volume receiver of mail, or a post office box.

What are the last 4 digits of my SSN?

Social Security Numbers

• The first set of three digits is called the Area Number.
• The second set of two digits is called the Group Number.
• The final set of four digits is the Serial Number.

How do I find the last 4 digits of my ZIP Code?

What does the last four digits of a ZIP code mean?

The first five digits indicate the destination post office or delivery area. The last 4 digits represent specific delivery routes within delivery areas. ZIP plus 4 codes assist the USPS in effectively sorting and distributing mail.

What does a ZIP + 4 address look like?

This is what an address looks like with the ZIP +4 Code: The first five digits identify the area of the country and the delivery office to which the mail is directed. ZIP Codes start with a zero (0) in the northeast and gradually get higher as you move west. ZIP Codes in the far west start with a nine (9).

What do you need to know about a ZIP code?

To determine a ZIP +4 Code you will need to know an address. The last four digits are not specific to a city but to a street address or Post Office Box. This is what an address looks like with the ZIP +4 Code: The first five digits identify the area of the country and the delivery office to which the mail is directed.

When did the USPS start using 5 digit ZIP codes?

The USPS introduced the five-digit ZIP code in 1963 in order to better process mail as its volume shifted increasingly toward business mail rather than personal letters. The first number designates the general region in the U.S., such as New England, which uses the number zero.