The Town of Lakeside is a Statutory Town in Jefferson County, Colorado, United States. The town population was 8 at the 2010 United States Census, making Lakeside the least populous municipality in the State of Colorado. Lakeside is immediately west of the City and County of Denver, the most populous municipality in the state. The Denver Post Office serves Lakeside.
Snowmass is an unincorporated community and a U.S. Post Office located in Pitkin County, Colorado, United States. It is situated in the valley of the Roaring Fork River, near the mouth of Snowmass Creek along State Highway 82 between Aspen and Basalt. It consists largely of a post office, several commercial businesses, and surrounding houses and ranches. The Snowmass Post Office has the ZIP Code 81654.
Grant is an unincorporated community and a U.S. Post Office in Park County, Colorado, United States. The community is located in foothills of the Front Range in the Platte Canyon, in the upper valley of the North Fork South Platte River, approximately 6 miles (10 km) east of Kenosha Pass. It sits along U.S. Highway 285 approximately 40 miles (64 km) southwest of Denver. It consists largely of a retired general store, post office, and surrounding houses and trailers along the south side of the highway and along the north side of the river. The Grant Post Office has the ZIP Code 80448. Grant is located at the mouth of Geneva Creek where it descends southward from the Front Range. County Road 62 follows the creek northward to Guanella Pass, leading to Georgetown in the canyon of Clear Creek.
Jefferson is an unincorporated community and a U.S. Post Office in Park County, Colorado, United States. It is located in the northern end of South Park, along U.S. Route 285, approximately 15 miles (24 km) northeast of Fairplay, at the western foot of Kenosha Pass. It lies 6 miles (10 km) from Como, 23 miles (37 km) from Bailey, and 37 miles (60 km) from Breckenridge. The town consists largely of a strip of retail businesses along U.S. Route 285, as well as a small unpaved grid of houses and trailers on the south side of the highway. The most notable landmarks in town are a historic one-room schoolhouse and the Historic Jefferson Denver, South Park and Pacific Railroad Depot, highly visible in the surrounding grasslands of South Park. The Jefferson Post Office has the ZIP Code 80456.
Huffman is an unincorporated community of northeastern Harris County, Texas within the Houston, Baytown metropolitan area.
Mosca is an unincorporated community and a U.S. Post Office in Alamosa County, Colorado, United States. It was named for the nearby Mosca Pass, which was named for the Spanish explorer, Luis de Moscoso Alvarado. The Mosca Post Office has the ZIP Code 81146.
Villa Grove is an unincorporated community and a U.S. Post Office in Saguache County, Colorado, United States. The Villa Grove Post Office has the ZIP Code 81155.
Buffalo Creek is an unincorporated community and U.S. Post Office in Jefferson County, Colorado, United States. The ZIP Code of the Buffalo Creek Post Office is 80425.
Dumont is a small unincorporated community and U.S. Post Office situated along Clear Creek in Clear Creek County, Colorado, United States. The Dumont Post Office has the ZIP Code 80436. Dumont is a part of the Downieville-Lawson-Dumont census-designated place.
Hygiene is an unincorporated community with a U.S. Post Office in Boulder County, Colorado, United States. Application for the first Hygiene Post Office was made by Rev. Jacob Stoner Flory of the United Church of the Brethren on May 28, 1883 ZIP Code 80533. This community's name stems from a time when it had a sanatorium to work with tuberculosis patients.
Masonville is an unincorporated community and a U.S. Post Office in Larimer County, Colorado, United States. The Masonville Post Office has the ZIP Code 80541.
Mesa is an unincorporated community and a U.S. Post Office located in Mesa County, Colorado, United States. The Mesa Post Office has the ZIP Code 81643. Mesa is located on the north side of the Grand Mesa on state highway 65. in a geographic area known as Plateau Valley, and is under the Plateau Valley 50 District Public Schools.
Molina is an unincorporated community and a U.S. Post Office located in Mesa County, Colorado, United States. The Molina Post Office has the ZIP Code 81646.
Pinecliffe is a U.S. Post Office and an unincorporated community located in Boulder County and Gilpin County, Colorado, United States. The Pinecliffe Post Office, in Boulder County, has the ZIP Code 80471.
Stoneham is an unincorporated community and a U.S. Post Office located in Weld County, Colorado, United States. The Stoneham Post Office has the ZIP Code 80754.
Wetmore is an unincorporated community and a U.S. Post Office located in Custer County, Colorado, United States. The Wetmore Post Office has the ZIP Code 81253.
Deckers is an unincorporated community along the South Platte River in Douglas County, Colorado, United States. Stephen Decker built a general store here in the 1890s. He later added a saloon and called the settlement "Daffodil." The presence of natural springs led him to establish Deckers Mineral Springs and Resort in the popular region for fly-fishing. Deckers received national attention for the June 2002 forest fire, known as the Hayman Fire, which burned thousands of acres on the outskirts of the Denver metro area. The U.S. Post Office at Sedalia now serves Deckers postal addresses.
Foxton is an unincorporated community in Jefferson County, Colorado, United States. The U.S. Post Office at Conifer now serves Foxton postal addresses.
Marathon is an unincorporated community in eastern Jackson Township, Clermont County, Ohio, United States. Although it is unincorporated, it had a post office, with the ZIP code 45145. The current ZIP code is 45118. It lies along U.S. Route 50.
Ridge is an unincorporated community in Robertson County, Texas, United States. It lies at an elevation of 358 feet (109 m), and it is located at 31°08′44″N96°19′19″W. Ridge is located along U.S. Route 79 and a Missouri Pacific Railroad line.
United States 
Colorado 