Rock City IL ZIP Code

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

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

Rock City Area Code is 815 and Time Zone is Central (GMT -06:00).

Rock City Zip Code - Illinois

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

The Rock City Zip Code is 61070.

If you want to send a mail to Rock City City, you should use the 61070 Zip Code.

In 1983, the U.S. Postal Service introduced an expanded Rock 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 61070 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Rock 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.

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What is the Rock City Zip Code?

The Rock City Zip Code in Illinois is 61070.

ZIP Plus 4 Rock City - US Streets Zip Codes

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Rock City, Illinois - US Zip Code

Rock City ZIP Code Lookup

61070 Zip Code File:
Zip Code: 61070,
City: Rock City
Rock City Area Code: 815
Rock City, IL - Time Zone: Central (GMT -06:00)
County: Stephenson
City Alias: Rock Grove, Rock City
State: Illinois
State Abb: IL

Illinois Zip+4 - Nearby Rock City Cities

Cities near Rock City in Illinois
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