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Billings, Montana, known as the “Magic City”, boasts a fascinating postal landscape with 14 unique ZIP codes that serve its vibrant community. Located in Yellowstone County, this dynamic city offers residents and businesses a diverse range of postal districts that reflect its growth and complexity.
Understanding Billings ZIP Code Landscape

The city of Billings features a comprehensive postal system with multiple ZIP code types. Specifically, Billings has: • 4 Standard ZIP Codes • 4 PO Box ZIP Codes • 6 Unique ZIP Codes
Primary Residential ZIP Codes

The most populous ZIP codes in Billings include: • 59101: Covering approximately 28.91% of the population (41,522 residents) • 59102: Serving 33.51% of the population (48,133 residents) • 59105: Representing 23.19% of the population (33,310 residents) • 59106: Encompassing 14.40% of the population (20,681 residents)
Unique and Specialized ZIP Codes

Billings also maintains several unique ZIP codes dedicated to specific institutions: • 59111: Public Works • 59112: Montana Dakota Utility Company • 59114: KOA Campground • 59115: US Bank • 59116: First Interstate Bank • 59117: Wells Fargo Bank
Geographic and Demographic Context

Billings is the most populous city in Montana, with a total population of 117,116 as of the 2020 census. The city spans 45.39 square miles and sits at an elevation of 3,212 feet above sea level. Its ZIP codes cover the entire Yellowstone County region, serving a metropolitan area of approximately 193,000 people.
Area Code and Time Zone

All Billings ZIP codes fall under: • Area Code: 406 • Time Zone: Mountain Time (GMT -07:00)
🏙️ Note: ZIP codes can change over time, so always verify the most current postal information with the United States Postal Service.
The diversity of Billings’ ZIP codes reflects its dynamic nature as Montana’s largest city, offering specialized postal services for residential, commercial, and institutional needs. Whether you’re a resident, business owner, or visitor, understanding these ZIP codes can help you navigate this vibrant Montana metropolis more effectively.
How many ZIP codes does Billings have?

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Billings has a total of 14 ZIP codes, including 4 standard, 4 PO Box, and 6 unique ZIP codes.
What is the most populous ZIP code in Billings?

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ZIP code 59102 is the most populous, serving 33.51% of the population with 48,133 residents.
Do all Billings ZIP codes cover residential areas?

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No, some ZIP codes are specialized for specific institutions like banks, utility companies, and public works departments.