Question: What is th e Zip code of the  Home Rule Municipality that is the county seat of Ouray County?

Context paragraphs:
Mount Crested Butte, Colorado: Mount Crested Butte is a home rule municipality in Gunnison County, Colorado, United States.  Mount Crested Butte is the home of the Crested Butte Mountain Resort.  The population was 801 at the 2010 census.  ZIP code 81225 serves post office boxes for Mount Crested Butte and for neighboring Crested Butte; mail must be addressed to Crested Butte.

Home Rule Municipality (Pennsylvania): A home rule municipality in Pennsylvania is one incorporated under its own unique charter, created pursuant to the state's Home Rule and Optional Plans Law and approved by referendum.  "Local governments without home rule can only act where specifically authorized by state law; home rule municipalities can act anywhere except where they are specifically limited by state law".  Although many such municipalities have retained the word "Township" or "Borough" in their official names, the Pennsylvania Township and Borough Codes no longer apply to them.  All three types of municipalities (cities, boroughs, and townships) may become a home rule municipality.

Parker, Colorado: Parker is a home rule municipality in Douglas County, Colorado, United States.  As a self-declared "Town" under the Home Rule statutes, Parker is the second most populous town in the county; Castle Rock is the most populous.  In recent years, Parker has become a commuter town at the southeasternmost corner of the Denver Metropolitan Area.  As of the 2010 census the town population was 45,297; the estimated population in 2014 was 49,857.  Parker is now the 19th most populous municipality in the state of Colorado.

Ouray County, Colorado: Ouray County is one of the 64 counties of the U.S. state of Colorado.  As of the 2010 census, the population was 4,436.  The county seat is Ouray.  Because of its rugged mountain topography, Ouray County is also known as the Switzerland of America.

Horsham Township, Montgomery County, Pennsylvania: Horsham Township is a home rule municipality in Montgomery County, Pennsylvania, United States, 10 miles north of downtown Philadelphia.  The township, incorporated in 1717, is one of the oldest original municipalities in Montgomery County.  Although it retains the word "Township" in its official name, it has been governed by a Home Rule Charter since 1975 and is therefore not subject to the Pennsylvania Township Code.  The population was 26,147 at the 2010 census.

Ouray County Courthouse: The Ouray County Courthouse, constructed in 1888, is the seat of government of Ouray County, Colorado.  It is located at the corner of 6th Avenue and 4th Street in Ouray, Colorado.  This structure is a contributing property of the Ouray Historic District.

Ridgway, Colorado: The Town of Ridgway, coined Gateway to the San Juans, is a Home Rule Municipality in Ouray County, in the southwestern portion of the U.S. State of Colorado.  The town is a former railroad stop on the Uncompaghre River in the northern San Juan Mountains.  The town population was 713 at the 2000 census and 924 according to the 2010 census.

Mountain View, Colorado: The Town of Mountain View is a Home Rule Municipality located in Jefferson County, Colorado, United States.  Mountain View is situated west of, and adjacent to, the City and County of Denver.  The United States Census Bureau estimates that the town population was 529 on 2005-07-01.  The Denver Post Office (ZIP Code 80212) serves Mountain View.

Murrysville, Pennsylvania: Murrysville is a Home Rule Municipality and formerly a borough in Westmoreland County, Pennsylvania, United States.  The population was 18,872 at the 2000 census.  It became a home rule municipality in August 1976.

Ouray, Colorado: Ouray is a Home Rule Municipality that is the county seat and the most populous city of Ouray County, Colorado, United States.  The city population was 813 at the U.S. Census 2000 and 1,000 as of the U.S. Census 2010.  The Ouray Post Office has the ZIP code 81427.

Supporting paragraphs: Ouray County, Colorado Ouray, Colorado
Answer: 81427