There is one unique ZIP code in Boulder, Wyoming and it is 82923. Area code: 307.
1
ZIP codes
998.82
sq mi land
7.88
sq mi water
307
area code
Boulder, WY ZIP code map
About Boulder, WY
Boulder is a small town located in Sublette County, Wyoming, known for its stunning natural landscapes and tranquil atmosphere. With a population that reflects the quaint charm typical of rural Wyoming, it serves as a gateway to numerous outdoor recreational activities. Residents and visitors alike appreciate Boulder for its close-knit community and proximity to breathtaking wilderness areas.
Location & geography
Boulder is situated in the western part of Wyoming and is surrounded by vast open spaces and mountainous terrain. The town is located approximately 64 miles from Jackson, 42 miles from Pinedale, and about 85 miles from Rock Springs. Covering a total area of 998.82 square miles of land and 7.88 square miles of water, Boulder features both exhilarating landscapes and serene water bodies.
Community & economy
The character of Boulder is deeply rooted in its outdoor lifestyle, attracting those with a passion for activities such as fishing, hunting, and hiking. The town has a small-town feel where residents often engage in farming and tourism-related industries. Daily life in Boulder revolves around a strong sense of community, with local events and gatherings shaping its social fabric.
Transportation
Access to Boulder is primarily facilitated by Wyoming Highway 189, which connects it to larger cities and important regional roads. The nearest major airport is the Jackson Hole Airport, located about 67 miles away, providing essential connectivity to the area. While public transit options may be limited, the town's proximity to major highways ensures accessibility for those traveling by car.
History
Boulder was established as part of the broader settlement in the region and has always played a role in local agricultural and ranching activities. Historically, key industries in the area have included cattle ranching and timber, which contributed significantly to its development. Notable events include the preservation efforts launched in the late 20th century that have aimed to maintain the area's natural beauty.
Did you know?
A surprising fact about Boulder, Wyoming, is that it is one of the less populated towns in Sublette County, which adds to its tranquility and appeal for those seeking solitude. Additionally, the region is known for its remarkable views of the Wind River Range, making it a hidden gem for outdoor enthusiasts.
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions
What is the ZIP code for Boulder, WY?
Boulder, WY has one ZIP code: 82923.
What is the main ZIP code for Boulder, WY?
The primary ZIP code for Boulder, WY is 82923. The city uses area code 307 for phone service.
What county is Boulder, WY in?
Boulder is located in Sublette County, Wyoming.
How many ZIP codes are in Boulder, WY?
Boulder, WY has 1 ZIP code.
What ZIP code covers downtown Boulder and the main business district in Sublette County?
Downtown Boulder and the central business district are located in ZIP code 82923, which serves as the primary commercial and civic center for this small Sublette County community.
If I'm mailing a package to a residential address in Boulder, Wyoming, what ZIP code should I use?
All residential addresses in Boulder, Wyoming use the ZIP code 82923, as it is the sole ZIP code serving this entire municipality.
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