Butte, MT ZIP Codes, Area Codes and Address Format

City guides  |  September 9, 2026  |  2 min read

This guide covers Butte, MT: its ZIP codes, area codes, county and time zone, with sample addresses you can copy for testing.

State

Montana (MT)

County

Silver Bow County

Standard ZIP codes

2

Time zone

Mountain

Butte ZIP codes

These are the standard delivery ZIP codes for Butte. The city has 5 ZIP codes in total when PO Box and unique codes are included.

• 59701
• 59750

Area codes in Butte

Butte phone numbers use 406. A single area code keeps local numbers easy to recognize.

Sample Butte addresses

The street lines are invented; the city, state and ZIP codes are real. Use them for form testing, mockups and training materials, never for real orders.

How to write an address in Butte

• End the address with BUTTE, MT and the five-digit ZIP code.
• Put apartment or suite numbers at the end of the street line.
• Use USPS abbreviations such as ST, AVE and BLVD.
• Match the ZIP code to the street. Butte has 2 codes, so the city name alone is not enough.

More Montana cities

Ashland, Antelope, Alberton, Great Falls, Helena, or see all Montana cities.