Charleston, Illinois
Central Time Zone (UTC-6) · IL · —
About Area Codes in Charleston, Illinois
Charleston, Illinois is served by 2 area codes: 217, 447. When multiple area codes serve the same geographic area, it typically indicates overlay codes have been added to accommodate growing demand for phone numbers. All local calls within Charleston require 10-digit dialing. The city is in the Central time zone (UTC-6).
Frequently Asked Questions
What area code is Charleston, Illinois?
Charleston, Illinois uses area codes 217 and 447.
What time zone is Charleston in?
Charleston is in the Central time zone (UTC-6).
Do I need to dial 10 digits when calling Charleston?
Yes, all local calls in Charleston require 10-digit dialing because the area is served by multiple overlay area codes.
When was area code 217 created?
Area code 217 is one of the original 86 area codes established in 1947 as part of the North American Numbering Plan (NANP).
What cities share area code 217 with Charleston?
Other cities sharing area code 217 with Charleston include Champaign, Danville, Decatur, Effingham, Mattoon, among others.
Also called Charleston:
Charleston, IL · Central Time Zone