636 Area Code

The 636 area code is a telephone area code in Missouri, United States. It covers an area in the eastern part of the state, including counties such as St. Charles, Lincoln, Franklin, and Jefferson. It was established on June 5, 1999, and split off from the 314 area code. The 636 area code serves cities such as St. Peters, O’Fallon, Chesterfield, and Wentzville. The 636 area code is one of the few in Missouri that does not cover any part of the city of St. Louis.

What cities use the 636 area code?

The following are the major cities that use the 636 area code:

• St. Peters
• O’Fallon
• Chesterfield
• Wentzville
• Ballwin
• Wildwood
• Washington
• Fenton
• Union
• St. Clair

Counties that use the 636 area code

The 636 area code covers parts of the following counties:

• St. Charles
• Lincoln
• Franklin
• Jefferson
• Warren
• Gasconade
• Montgomery
• Pike
• Nine of these counties lie in the outer ring of the St. Louis metropolitan area, while Gasconade and Montgomery are part of the mid-Missouri area.

All cities and towns that use the 636 area code

The above-given area code serves 34 cities and towns in Missouri. These include:

• Augusta
• Ballwin
• Berger
• Catawissa
• Centralia
• Clifton Hill
• Defiance
• Dutzow
• Edgar Springs
• Elsberry
• Eolia
• Fayette
• Fenton
• Flint Hill
• Foristell
• Herculaneum
• Holts Summit
• Imperial
• Jonesburg
• Keytesville
• La Grange
• Lebanon
• Marthasville
• Matson
• Mineral Point
• Montgomery City
• New Haven
• O’Fallon
• Pacific
• Palmyra
• Portage Des Sioux
• Rock Port
• St. Charles
• St. Peters
• Truesdale
• Union
• Washington
• Wentzville
• Wildwood
• Winfield

Population

As of 2020, the 636 area code has a population of approximately 1.2 million people, which makes up about 20% of the total population of Missouri. The largest city in the 636 area code is O’Fallon, with a population of over 89,000, followed by St. Peters, with over 57,000 residents. Other major cities in the area code include Wentzville, with a population of over 44,000, and Chesterfield, over 47,000.

Geography

The 636 area code covers an area of approximately 6,594 square miles in eastern Missouri. The location is primarily rural, with a few significant cities scattered throughout. The Missouri River flows through the northern part of the area code, while the Meramec and Bourbeuse Rivers are located in the southern part. The landscape is primarily hilly and wooded, with farms and small towns dotting the countryside.

Climate

The 636 area code has a humid continental climate with hot, humid summers and cold winters. The average temperature in summer is around 82 degrees Fahrenheit, while the average temperature in winter is around 32 degrees Fahrenheit. The area receives an average of 41 inches of rain annually, most falling in the spring and summer. Snowfall is also common in the winter, averaging around 19 inches annually.

Tourist attractions

While the above-given area code may not be as well-known as other areas in Missouri, it still offers plenty for tourists. Some popular attractions include:

• Historic Main Street in St. Charles: This charming street is lined with shops, restaurants, and historic buildings dating back to the early 1800s.
• Katy Trail State Park: Located in St. Charles, this 240-mile-long trail is perfect for hiking, biking, and the outdoors.
• Six Flags St. Louis: This popular amusement park offers thrilling rides, entertaining shows, and a water park.
• Purina Farms: Located in Gray Summit, Purina Farms offers pet-friendly activities and a chance to see farm animals up close.
• Lost Valley Lake Resort: This family-friendly vacation destination offers camping, fishing, and other outdoor activities.
• Silver Dollar City: Located in Branson, this theme park offers old-fashioned fun with rides, shows, and hand-crafted goods.

Education

Several school districts, including the Wentzville R-IV School District, Francis Howell School District, and Fort Zumwalt School District, serve the above-given area code. There are also several private schools in the area, including Lutheran High School and St. Dominic High School.

Healthcare

Several hospitals and medical facilities are serving the above-given area code, including:

• Saint Joseph Hospital West in Lake Saint Louis
• Progress West Hospital in O’Fallon
• Mercy Hospital St. Louis in Chesterfield
• Saint Luke’s Des Peres Hospital in Des Peres
• SSM Health St. Joseph Hospital in St. Charles
• BARNES-JEWISH ST. PETERS HOSPITAL in St. Peters

Numerous urgent care centres and specialty clinics are located throughout the area code.

Government and administration

The above-given area code is overseen by the Missouri Public Service Commission, which regulates utility companies and their use of the area code. Local governments within the area code include county governments and city councils. United States House of Representatives members represent the above-given area code, with portions of the area code falling into Missouri’s 2nd and 3rd districts.

FAQs

1. What are the most populated cities in the 636 area code?

The most populous cities in the 636 area code are O’Fallon, St. Peters, Chesterfield, and Wentzville.

2. Does the 636 area code cover any part of St. Louis?

No, the 636 area code does not cover any part of St. Louis. However, it does cover some of the suburbs and surrounding areas.

3. When was the 636 area code established?

The 636 area code was established on June 5, 1999, as a split from the 314 area code.

4. What attractions are there in the 636 area code?

Some famous attractions in the 636 area code include Historic Main Street in St. Charles, Katy Trail State Park, and Six Flags St. Louis.

5. What is the average temperature in the 636 area code?

The average temperature in the summer is around 82 degrees Fahrenheit, while the average temperature in the winter is around 32 degrees Fahrenheit.

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