Jefferson CO ZIP Code

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Jefferson city is located in Colorado State, Park County and has a unique zip code assigned by the US Postal Service Office.

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

Jefferson Area Code is 719 and Time Zone is Mountain (GMT -07:00).

Jefferson Zip Code - Colorado

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

The Jefferson Zip Code is 80456.

If you want to send a mail to Jefferson City, you should use the 80456 Zip Code.

In 1983, the U.S. Postal Service introduced an expanded Jefferson 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 80456 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Jefferson 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 Colorado.

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The Jefferson Zip Code in Colorado is 80456.

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Jefferson, Colorado - US Zip Code

Jefferson ZIP Code Lookup

80456 Zip Code File:
Zip Code: 80456,
City: Jefferson
Jefferson Area Code: 719
Jefferson, CO - Time Zone: Mountain (GMT -07:00)
County: Park
City Alias: Jefferson, Fairplay, Como
State: Colorado
State Abb: CO

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