Jefferson County Montana ZIP Codes - Map and Full List

Jefferson County Montana is covered by a total of 9 ZIP Codes. There are 5 ZIP Codes in Jefferson County that extend into adjacent counties (Broadwater County, Gallatin County, Lewis and Clark County, Madison County, and Silver Bow County). Of the ZIP codes within or partially within Jefferson County there are 7 Standard ZIP Codes and 2 PO Box ZIP Codes.

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Jefferson County Montana ZIP Code Map

Click on the ZIP Codes in the interactive map to view more information. The map control in the upper right corner can be used to toggle map layers on and off. The red outline is the border of Jefferson County and can be turned on and off. Each type of postal code can also be turned on and off.

List of ZIP Codes in Jefferson County

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