The area code 636 is located in St. Charles, Missouri.
Area code 636 is located in St. Charles, Missouri. If you're searching for numbers in this area, you've come to the right place! Whether you're reaching out to a friend or business, our handy area code calculator allows you to quickly find the information you need. Don't waste time dialing the wrong number—ensure you're connected to the vibrant city of St. Charles, Missouri, by using the accurate and efficient area code 636. Discover the convenience of our website and say hello to hassle-free calling today!