Lewis and Clark County, Montana ZIP codes

15ZIP codes
8Cities and towns
73,928People in ZIP areas
406Area code

Lewis and Clark County is in Montana and the Mountain Time zone. ZIP codes don’t follow county lines exactly, so a ZIP code listed here can reach into a neighboring county.

All ZIP codes in Lewis and Clark County

ZIP codeCityTypePopulationMedian income
59410AugustaPO Box only520$42,321
59601HelenaStandard31,728$72,290
59602HelenaStandard30,754$92,985
59604HelenaPO Box only––
59620HelenaPO Box only––
59623HelenaUnique––
59624HelenaPO Box only––
59625HelenaUnique663–
59626HelenaStandard––
59633Canyon CreekStandard272–
59635East HelenaStandard8,292$83,740
59636Fort HarrisonPO Box only32–
59639LincolnStandard1,021$57,778
59640MarysvilleStandard160$99,167
59648Wolf CreekStandard486$65,750

Cities and towns in Lewis and Clark County

Area codes in Lewis and Clark County

Questions

How many ZIP codes are in Lewis and Clark County, MT?
Lewis and Clark County has 15 ZIP codes, 8 of them standard ZIP codes for street addresses.
What cities are in Lewis and Clark County?
Lewis and Clark County ZIP codes cover Helena, Augusta, Canyon Creek, East Helena, Fort Harrison, Lincoln, Marysville and Wolf Creek.
What area code is Lewis and Clark County, MT?
Lewis and Clark County uses area code 406.
What time zone is Lewis and Clark County in?
Lewis and Clark County is in Mountain Time.

Other Montana counties