Advice

Does the last four digits of ZIP code matter?

Does the last four digits of ZIP code matter?

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.

Are all American zip codes 5 digits?

�U.S. ZIP Codes are always five digits long. These 3 and 4 digit numbers actually begin with one or two zeros. For example, when you see “501” for Holtsville, it’s really 00501.

What is the purpose of a zip code?

A ZIP code is the term used to describe the postal code system in the United States. It is a series of numbers that communicates information about people within different geographic groupings.

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How ZIP codes are determined?

As of 1963, zip codes’ numbers are determined by a few factors: the area, the regional postal facility and the local zone. The final two digits signify the local post office of the address. You may have noticed that zip codes often have a hyphenated four-digit number on the back end which is rarely used.

Why does the US use zip codes?

In 1963 the Post Office Department introduced and vigorously promoted the use of the Zone Improvement Plan (ZIP) Code. The code was originally intended to allow mail sorting methods to be automated but ended up creating unimagined socio-economic benefits as an organizing and enabling device.

Is there a ZIP code of 00001?

The lowest postal code area is 00001. This is the N Dillingham area in Alaska. The highest postal code area is 99950, which is also in Alaska.

Which states have 4 digit zip codes?

What is a ZIP Code and how do they work?

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ZIP Codes Beginning With States
3 Alabama, Florida, Georgia, Mississippi, Tennessee, Army Post Office Americas, Fleet Post Office Americas
4 Indiana, Kentucky, Michigan, Ohio
5 Iowa, Minnesota, Montana, North Dakota, South Dakota, Wisconsin
6 Illinois, Kansas, Missouri, Nebraska

What is a ZIP Code 5 digits?

A ZIP Code is a postal code used by the United States Postal Service (USPS). Introduced in 1963, the basic format consisted of five digits. In 1983, an extended ZIP+4 code was introduced; it included the five digits of the ZIP Code, followed by a hyphen and four digits that designated a more specific location.