USA Zip Code

This app will be helpfull to :

-Find an USA zip code by city name.
-Find a city in the USA from a zip code.
-Find zip code by state, county.
-Look Up a zip code.
-Locate a city/zip code in the USA on google map.
-Get the area code and timezone of a city in the USA.
-Get th type of the zip code :STANDARD, PO BOX, UNIQUE, MILITARY.
-Be Informed of acceptable/unacceptable city name in USA :
(Primary, Acceptable, and Unacceptable)
When addressing mail, the USPS prefers everyone use the primary city whenever possible. However, there are many other uses for this data set so we have included lists of other cities that are recognized by USPS. Acceptable cities are recognized by the USPS and should not result in delivery delays. As you will learn below, certain geographic areas are frequently referred to by multiple names.

+Access the most updated zip code database (2018).

**This app Work offline : Dont need internet connection to find the zip code**

A little history of ZIP CODE:

ZIP Codes are a system of postal codes used by the United States Postal Service since 1963. The term ZIP, an acronym for Zone Improvement Program, was chosen to suggest that the mail travels more efficiently, and therefore more quickly (zipping along), when senders use the code in the postal address. The basic format consists of five digits. An extended 'ZIP+4' code, introduced in 1983, includes the five digits of the ZIP Code, a hyphen, and four additional digits that determine a more specific location within a given ZIP Code.

The term ZIP Code was originally registered as a servicemark by the U.S. Postal Service, but its registration has since expired. USPS style for ZIP is all caps and the "C" in "Code" is also capitalized, although style sheets for some publications use sentence case or lowercase.

United states of america Zip code by state, county, city
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