Rapids City IL ZIP Code

Rapids City city is located in Illinois State, Rock Island County and has a unique zip code assigned by the US Postal Service Office.

You can search for the Rapids City IL zip code by its streets and block numbers if we have some of the Rapids City streets loaded in our website

Rapids City Area Code is 309 and Time Zone is Central (GMT -06:00).

Rapids City Zip Code - Illinois

The US ZIP Code basic format consists of five decimal numerical digits assigned to the Rapids City City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Rapids City ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Rapids City, Illinois.

If you want to send a mail to Rapids City City, you should use the 61278 Zip Code.

In 1983, the U.S. Postal Service introduced an expanded Rapids City ZIP code system that it called ZIP+4, often called "plus-four codes", "add-on codes", or "add ons". A ZIP+4 code uses the basic 61278 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Rapids City city block, a group of apartments, an individual high-volume receiver of mail or any other unit that could use an extra identifier to aid in efficient mail sorting and delivery in Illinois.


Rapids City, Illinois - MAP

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ZIP Plus 4 Rapids City - US Streets Zip Code

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Rapids City ZIP Code Lookup

61278 Zip Code Information:
Zip Code: 61278,
City: Rapids City
Rapids City Area Code: 309
Rapids City, IL - Time Zone: Central (GMT -06:00)
County: Rock Island
City Alias: Rapids City
State: Illinois
State Abb: IL

Illinois Zip+4 - Nearby Rapids City Cities


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