There is one unique ZIP code in Hamilton, Colorado and it is 81638. Area code: 970.
1
ZIP codes
418.12
sq mi land
0.12
sq mi water
970
area code
Hamilton, CO ZIP code map
About Hamilton, CO
Hamilton, Colorado, is a small and serene community located in Moffat County. Known for its expansive natural landscapes and rural charm, Hamilton offers a peaceful lifestyle to its residents. This unique area is characterized by its vast open spaces and stunning vistas, making it a hidden gem in the heart of Colorado.
Location & geography
Hamilton is situated in the northwestern part of Colorado, surrounded by beautiful terrain and extensive natural beauty. The city is approximately 22 miles southwest of Craig, 35 miles northeast of Steamboat Springs, and about 60 miles north of Rifle. Covering a land area of 418.12 square miles and a water area of 0.12 square miles, the locality features a mix of rolling hills and plains, ideal for outdoor enthusiasts.
Community & economy
The community of Hamilton is characterized by its close-knit atmosphere and friendly residents, where everyone knows their neighbors. The local economy is primarily driven by agriculture, ranching, and tourism, with residents often involved in various outdoor activities throughout the year. Daily life here is peaceful and laid-back, allowing for a connection with nature and the surrounding environment.
Transportation
Hamilton is accessible via several highways, including State Highway 13, which connects the area to larger cities. The nearest major airport is Yampa Valley Airport, located approximately 30 miles away, providing regional access to air travel. Local transit options may be limited, but residents enjoy the scenic drives and outdoor access available.
History
Hamilton was established long ago as a rural community that took advantage of the fertile lands and favorable climatic conditions of Moffat County. Key industries in the area have always revolved around agriculture, contributing significantly to the local economy. Notable events include agricultural fairs and community gatherings that celebrate the area's heritage and promote local crafts.
Did you know?
One surprising fact about Hamilton is that it, as a ZIP code location, includes a vast area despite its small community size. This sprawling locale provides opportunities for outdoor recreation, such as hunting, fishing, and hiking, attracting visitors and nature lovers alike.
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions
What is the ZIP code for Hamilton, CO?
Hamilton, CO has one ZIP code: 81638.
What is the main ZIP code for Hamilton, CO?
The primary ZIP code for Hamilton, CO is 81638. The city uses area code 970 for phone service.
What county is Hamilton, CO in?
Hamilton is located in Moffat County, Colorado.
How many ZIP codes are in Hamilton, CO?
Hamilton, CO has 1 ZIP code.
What ZIP code covers the downtown Hamilton area in Moffat County?
The downtown Hamilton area is served by ZIP code 81638, which encompasses the central business district and historic core of this small Moffat County community.
If I'm sending mail to a business in Hamilton, Colorado, what ZIP code should I use?
All mail destined for Hamilton, Colorado should use the ZIP code 81638, as this is the only ZIP code assigned to the city.
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