Rock Island IL ZIP Code

Rock Island 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 Rock Island IL zip code by its streets and block numbers if we have some of the Rock Island streets loaded in our website


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



Rock Island Zip Code - Illinois

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


The Rock Island Zip Code is 61201, 61204, 61299.



If you want to send a mail to Rock Island City, you should use the 61201, 61204, 61299 Zip Code.


In 1983, the U.S. Postal Service introduced an expanded Rock Island 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 61201, 61204, 61299 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Rock Island 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.


Rock Island, Illinois - MAP



What is the Rock Island Zip Code?

The Rock Island Zip Code in Illinois is 61201, 61204, 61299.


ZIP Plus 4 Rock Island - US Streets Zip Codes

By pressing keys ctrol + F you can search Rock Island zip codes by its streets, highways, and know the ZIP+4 US ZIP Code


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Search Rock Island Zip Code

What is the zip code for Rock Island IL?

61201, 61204, 61299

Rock Island, Illinois - US Zip Code



Rock Island ZIP Code Lookup

61201, 61204, 61299 Zip Code File:
Zip Code: 61201, 61204, 61299,
City: Rock Island
Rock Island Area Code: 309
Rock Island, IL - Time Zone: Central (GMT -06:00)
County: Rock Island
City Alias: Rock Island, Rock Island, Rock Island, Rock Island Arsonal
State: Illinois
State Abb: IL



Illinois Zip+4 - Nearby Rock Island Cities

Cities near Rock Island in Illinois
(straight line)


View more Illinois zip codes



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