636-XXX-XXX Phone Numbers

Area code 636 belongs to the state of Missouri. It was established in 1996; this code was created in response to the anticipated exhaustion of available telephone numbers within the previous area codes, particularly 314. Area code 636 mainly serves the eastern part of Missouri, including the exurbs and outer suburbs of Greater St. Louis.

Major cities and towns covered by area code 636 include St. Charles, Chesterfield, Ballwin, Wentzville, Lake St. Louis, Wildwood, O'Fallon, Eureka, Troy, Washington, and Union. Some neighboring area codes include 314, which covers the City of St. Louis and surrounding inner suburbs, and 573, which serves the southeast portion of Missouri.

Zip Codes

Some of the principal zip codes that fall under the jurisdiction of area code 636 include:

- 63301, 63302, 63303, and 63304 (St. Charles)
- 63005 and 63017 (Chesterfield)
- 63011, 63021, and 63022 (Ballwin)
- 63385 (Wentzville)
- 63367 (Lake St. Louis)
- 63038, 63040, and 63069 (Wildwood)
- 63366 and 63368 (O'Fallon)
- 63025 (Eureka)
- 62379 (Troy)
- 63090 (Washington)
- 63084 (Union)

Population

According to recent United States Census Bureau data, the estimated population within area code 636 is around 1.2 million people. The population has steadily increased since its inception in 1996, primarily due to suburban development and growth within the Greater St. Louis region.

Economy

Area code 636 is home to a diverse economic landscape. Numerous industries contribute to the region's financial stability, including manufacturing, healthcare, retail, and educational services. Major companies within the area code include Boeing, Pfizer, the SSM Health System, and MasterCard.

Education

Some well-regarded higher education institutions are also within area code 636 boundaries. Among these are:

- Lindenwood University, a private liberal arts university in St. Charles
- St. Charles Community College, a two-year institution with campuses in Cottleville and Dardenne Prairie
- East Central College, a community college in Union

Transportation

The region served by area code 636 boasts various transportation options. Major highways in the area include Interstate 44, Interstate 64, and U.S. Highways 40 and 61, which connect the cities and towns in the area code and the City of St. Louis. The St. Charles Area Transit (SCAT) system serves public transportation within the area, which provides bus services for city residents.

Area code 636 is an essential part of eastern Missouri's identity, serving as a thriving hub of suburban communities on the outskirts of St. Louis. With a sizable population and a robust economy, those living and working within this dynamic region can expect to reap the benefits of progress and experience continued growth in the years to come.