636 Area Code

Q: What is the 636 area code?

The 636 area code covers east-central Missouri, including suburban St. Louis areas such as St. Charles, Chesterfield, O�Fallon, and Arnold.

Q: When was the 636 area code created?

The 636 area code was created in 1999 as a split from the 314 area code.

Q: Where is area code 636 located?

It serves the suburban and rural communities west of St. Louis, Missouri, including St. Charles County, Franklin County, and Jefferson County.

Q: Does 636 have an overlay?

No, the 636 area code does not have an overlay.

Q: What time zone is 636 in?

The 636 area code is in the Central Time Zone (UTC -6 / UTC -5 in Daylight Saving Time).

The 636 area code is a telephone area code in the North American Numbering Plan (NANP) serving parts of east-central Missouri, USA. Established in 1999 as a split from the 314 area code, it primarily covers the western suburbs of St. Louis, including St. Charles County, Jefferson County, and parts of Franklin County. The 636 area code has no overlay, and 10-digit dialing is required in some areas due to increased demand.

Understanding the 636 Area Code

The 636 area code is widely used for residential, commercial, and mobile phone numbers in Missouri. It plays an important role in connecting the fast-growing suburban communities of St. Louis County and St. Charles County.

636 Area Code Map and Location

The 636 area code map covers the western portion of the St. Louis metropolitan area in Missouri, extending across suburban, urban, and rural communities.

Major Cities and Regions in the 636 Area Code

St. Charles
Chesterfield
O�Fallon
Wildwood
Ballwin
Arnold
Washington
Union
Festus
Pacific

ZIP Codes Covered by the 636 Area Code

Some of the main ZIP codes served by the 636 area code include:

63301 - St. Charles, MO
63005 - Chesterfield, MO
63010 - Arnold, MO
63376 - St. Peters, MO
63025 - Eureka, MO
63090 - Washington, MO
63040 - Grover, MO
63028 - Festus, MO
63385 - Wentzville, MO

Time Zone

The 636 area code is located in the Central Time Zone (CT).

Standard Time: UTC -6
Daylight Saving Time: UTC -5

Dialing, Phone & Service Details

Overlay Codes: None
Local dialing: 10-digit dialing may be required in some areas
Long-distance within the USA: Dial 1 + 636 + 7-digit number
International calls: Dial exit code + 1 + 636 + number
Services: Landline, mobile, VoIP, and business numbers

What area code is 636? / Where's area code 636?

What area code is 636? � The 636 area code is a telephone area code assigned to east-central Missouri, covering the suburban St. Louis region.

Where's area code 636? � It is located in the Central Time Zone (CT) and serves communities such as St. Charles, Chesterfield, O�Fallon, Arnold, and Washington.

Frequently Asked Questions (FAQ) about 636 Area Code

What is the 636 area code?

The 636 area code covers parts of east-central Missouri, including St. Charles County and western St. Louis suburbs.

When was the 636 area code created?

The 636 area code was created in 1999 as a split from the 314 area code.

Where is area code 636 located?

It serves suburban and rural areas west and south of St. Louis, including Chesterfield, Arnold, and O�Fallon.

Does 636 have an overlay?

No, the 636 area code does not currently have an overlay.

What time zone is 636 in?

The 636 area code is in the Central Time Zone (UTC -6 / UTC -5 in DST).

Feature	Details
Area Code	636
Region Covered	East-Central Missouri, including suburban St. Louis
Established	1999
Overlay Codes	None
Time Zone	Central Time Zone (UTC -6 / -5 DST)
Major Cities	St. Charles, Chesterfield, O�Fallon, Arnold, Washington, Wildwood
ZIP Range	63005, 63010, 63025, 63028, 63090, 63301, 63376, 63385
Services	Landline, Mobile, VoIP, Business
Dialing	10-digit locally; +1 636 NXX XXXX internationally
Country	United States of America

Ares Code	Office / Place	Address
636 Area Code	St. Charles Community College	4601 Mid Rivers Mall Dr, St. Peters, MO 63376
636 Area Code	Lindenwood University - Belleville Campus	2600 W Main St, Belleville, MO 62226
636 Area Code	Missouri Baptist University	One College Park Dr, St. Louis, MO 63141
636 Area Code	Wildwood Campus College	Wildwood, MO 63040
636 Area Code	Mercy Hospital St. Louis	1400 S Rock Hill Rd, Chesterfield, MO 63017
636 Area Code	Ssm Health St. Clare Hospital	100 Medical Center Blvd, O'Fallon, MO 63366
636 Area Code	St. Joseph Health Center	1000 Medical Center Dr, St. Charles, MO 63303
636 Area Code	Centerpoint Hospital	17000 Manchester Rd, Wildwood, MO 63040
636 Area Code	Lake St. Louis Medical Center	100 Hospital Dr, Lake St. Louis, MO 63367
636 Area Code	Bank of America	16655 Chesterfield Airport Rd, Chesterfield, MO 63005
636 Area Code	Chase Bank	1000 N Hwy K, O'Fallon, MO 63366
636 Area Code	Wells Fargo Bank	3000 Veterans Memorial Pkwy, St. Charles, MO 63303
636 Area Code	PNC Bank	17000 Manchester Rd, Wildwood, MO 63040
636 Area Code	US Bank	100 Mid Rivers Mall Dr, St. Peters, MO 63376
636 Area Code	St. Charles County Government Center	201 N Second St, St. Charles, MO 63301
636 Area Code	Chesterfield City Hall	690 Chesterfield Pkwy W, Chesterfield, MO 63017
636 Area Code	O'Fallon City Hall	100 N Main St, O'Fallon, MO 63366
636 Area Code	Wildwood City Hall	16860 Main St, Wildwood, MO 63040
636 Area Code	St. Peters City Hall	201 S 2nd St, St. Peters, MO 63376
636 Area Code	Central Park	17025 Lydia Hill Dr, Chesterfield, MO 63005
636 Area Code	Rockwoods Reservation	11515 Babler Park Dr, Wildwood, MO 63038
636 Area Code	Quail Ridge Park	4001 Droste Rd, St. Charles, MO 63301
636 Area Code	Fort Zumwalt Park	4040 Zumwalt Rd, O'Fallon, MO 63366
636 Area Code	Lake St. Louis Community Park	300 Civic Center Dr, Lake St. Louis, MO 63367
636 Area Code	First Missouri State Capitol State Historic Site	200 S Main St, St. Charles, MO 63301
636 Area Code	Chesterfield Historical Society Museum	233 S Church Rd, Chesterfield, MO 63005
636 Area Code	The Butterfly House	2201 Central Park Dr, Chesterfield, MO 63017
636 Area Code	St. Peters Cultural Arts Center	1 St. Peters Centre Blvd, St. Peters, MO 63376
636 Area Code	Missouri Civil War Museum	221 S Main St, St. Charles, MO 63301
636 Area Code	Chesterfield Mall	170 Chesterfield Mall, Chesterfield, MO 63017
636 Area Code	St. Charles Town Center	5001 Mid Rivers Mall Dr, St. Peters, MO 63376
636 Area Code	O'Fallon Town Center	100 N Main St, O'Fallon, MO 63366
636 Area Code	Wildwood Town Center	16860 Main St, Wildwood, MO 63040
636 Area Code	Mid Rivers Mall	800 Mid Rivers Mall Dr, St. Peters, MO 63376
636 Area Code	Chesterfield Suites Hotel	170 Chesterfield Mall, Chesterfield, MO 63017
636 Area Code	St. Charles Marriott Hotel	1601 N 5th St, St. Charles, MO 63301
636 Area Code	Holiday Inn O'Fallon	2801 Technology Dr, O'Fallon, MO 63368
636 Area Code	The Wildwood Hotel	16860 Main St, Wildwood, MO 63040
636 Area Code	Hampton Inn St. Peters	900 Mid Rivers Mall Dr, St. Peters, MO 63376
636 Area Code	St. Charles Amtrak Station	200 S Main St, St. Charles, MO 63301
636 Area Code	Chesterfield Bus Stop	17025 Lydia Hill Dr, Chesterfield, MO 63005
636 Area Code	O'Fallon Bus Station	100 N Main St, O'Fallon, MO 63366
636 Area Code	Wildwood Transit Hub	16860 Main St, Wildwood, MO 63040
636 Area Code	Mid Rivers Transit Center	800 Mid Rivers Mall Dr, St. Peters, MO 63376

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