Lewis and Clark County, Montana Zip Codes

Zip Code
City
Population
59601Helena31,447
59602Helena29,846
59635East Helena7,815
59639Lincoln1,171
59410Augusta621
59648Wolf Creek335
59633Canyon Creek289
59625Helena155
59640Marysville67
59636Fort Harrison27
59623Helena0

Overview of Zip Codes in Lewis and Clark County

11
ZIP Codes

The data shown reflect ZCTAs from the US Census. As of 2024, there are 11 ZCTAs in Lewis and Clark County, Montana (US Census).