Area Code 636 – Missouri

Area Code Details

Area Code

636

State / Province

Missouri

Country

United States

Time Zone

CT

IANA Zone

America/Chicago

Country Code

US

Cities & Counties

St. Charles County

St. Charles, O'Fallon

Jefferson County

Arnold

Other Area Codes in Missouri (5)

• 314 — CT
• 417 — CT
• 573 — CT
• 660 — CT
• 816 — CT

Nearby Area Codes

• 639 — Saskatchewan (CA • CT)
• 631 — New York (US • ET)
• 641 — Iowa (US • CT)
• 630 — Illinois (US • CT)
• 629 — Tennessee (US • CT)
• 628 — California (US • PT)

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Frequently Asked Questions

What time zone is area code 636 in?

Area code 636 is in the CT time zone (America/Chicago). It serves Missouri, United States.

Where is area code 636 located?

Area code 636 covers Missouri in United States. Major cities include St. Charles, O'Fallon, Arnold.

What cities use area code 636?

Cities served by area code 636 include: St. Charles, O'Fallon, Arnold.

What is the current time in area code 636?

The live clock on this page shows the real-time current time for area code 636 (CT time zone). It updates every second.

Is area code 636 in the US or Canada?

Area code 636 is in United States (US), specifically in Missouri.

What other area codes are in Missouri?

Other area codes in Missouri include: 314, 417, 573, 660, 816.

How do I call area code 636 from another time zone?

When calling area code 636, remember it's in the CT time zone. Use the time converter above to find the best time to call.

What counties does area code 636 cover?

Area code 636 covers: St. Charles County, Jefferson County.