59620 Zip Code

Preferred / Primary City

Helena, Montana

Current Time

America/Denver Time Zone

Share 59620 Zip Code

Cities within the 59620 Zip Code

The US Post Office accepts mail for the 59620 zip code for the accepted cities below. Often the primary or preferred city may not be the city where the zip code is located, but the city for the 59620 zip code is usually the name of the main post office. When mailing your letters or packages, ensure to include the preferred or acceptable cities. Sending mail not labeled to accepted cities, or cities in the list of unacceptable cities may result in delays in delivery.

Preferred / Primary City

Helena, MT

Unacceptable Cities

State Of Montana

59620 Zip Code Overview & Information

You can use the information below to better understand the population, household, and financial statistics for the 59620 Zip Code if you are considering a move to the area, or just want to get a better overview of the Helena, MT area.

Zip Code Type

PO Box


Lewis and Clark County

Latitude and Longitude
Latitude & Longitude

46.53, -112.16