Chesterfield, Missouri
Central Time Zone (UTC-6) · MO · —
About Area Codes in Chesterfield, Missouri
Chesterfield, Missouri is served by area code 636, which was established in 1999 as a geographic split from a larger area code region. The city falls within the Central time zone (UTC-6). All calls to and from Chesterfield use the 636 area code prefix for local and long-distance dialing.
Other cities in area code 636
Frequently Asked Questions
What area code is Chesterfield, Missouri?
Chesterfield, Missouri uses area code 636.
What time zone is Chesterfield in?
Chesterfield is in the Central time zone (UTC-6).
Do I need to dial 10 digits when calling Chesterfield?
Standard 7-digit dialing is used for local calls within Chesterfield. However, 10-digit dialing is always accepted and required for long-distance calls.
When was area code 636 created?
Area code 636 was established in 1999 as a geographic split from a larger area code region to serve the growing population.
What cities share area code 636 with Chesterfield?
Other cities sharing area code 636 with Chesterfield include Arnold, Ballwin, Crystal City, Eureka, Festus, among others.
Also called Chesterfield:
Chesterfield, MO · Central Time Zone