There is one unique ZIP code in Fillmore, Utah and it is 84631. Area code: 435.
1
ZIP codes
126.48
sq mi land
0.00
sq mi water
435
area code
Fillmore, UT ZIP code map
About Fillmore, UT
Fillmore, Utah is a small but historically significant city located in the heart of Millard County in central Utah, served by the single ZIP code 84631. As the county seat of Millard County, Fillmore plays an important administrative and commercial role for the surrounding rural communities of west-central Utah. The city offers a quiet, small-town atmosphere set against the dramatic backdrop of Utah's high desert landscape, making it a notable stop along the Interstate 15 corridor.
Location & geography
Fillmore is situated in central Utah along the Pavant Valley, roughly 145 miles south of Salt Lake City and approximately 90 miles north of Cedar City. Nearby communities include Delta, located about 45 miles to the west, and Nephi, roughly 65 miles to the north, while Beaver lies approximately 60 miles to the south. The city covers an expansive land area of 126.48 square miles with absolutely no water area, reflecting the arid, high-desert terrain characteristic of the Great Basin region that dominates this part of Utah.
Community & economy
Fillmore has the close-knit character typical of rural Utah communities, where agriculture, local government services, and small businesses form the backbone of daily life. Residents enjoy access to local schools, community parks, and services centered around Main Street and the surrounding downtown area, with Millard County government offices providing steady public-sector employment. The community is known for its friendly atmosphere and strong ties to Utah's pioneer heritage, drawing together longtime ranch families and newer residents who value wide-open spaces and a slower pace of life.
Transportation
Fillmore is conveniently accessible via Interstate 15, which runs directly through the area and serves as the primary north-south artery connecting the city to Salt Lake City to the north and Las Vegas to the south. U.S. Route 50 also passes through the region, linking Fillmore westward toward Delta and beyond into Nevada. The nearest commercial airport with scheduled passenger service is Salt Lake City International Airport, located approximately 145 miles to the north, while Fillmore Municipal Airport serves general aviation needs locally.
History
Fillmore was established by Mormon pioneers in 1851 and was actually designated as the first territorial capital of Utah, a distinction that sets it apart from nearly every other small city in the state. The Utah Territorial Statehouse, built in the early 1850s and now preserved as a Utah State Park, stands as a testament to Fillmore's early political importance in the region. Agriculture, ranching, and later highway commerce along the I-15 corridor have sustained the community through the generations since its founding.
Did you know?
One of Fillmore's most surprising distinctions is that its historic Territorial Statehouse is the oldest government building still standing in the state of Utah, predating statehood itself by several decades. Despite its small size, Fillmore's role as Utah's first territorial capital gives it an outsized place in the broader story of American westward expansion and pioneer settlement.
