Mattoon, Illinois
Central Time Zone (UTC-6) · IL · —
About Area Codes in Mattoon, Illinois
Mattoon, 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 Mattoon require 10-digit dialing. The city is in the Central time zone (UTC-6).
Other cities in area code 217
Frequently Asked Questions
What area code is Mattoon, Illinois?
Mattoon, Illinois uses area codes 217 and 447.
What time zone is Mattoon in?
Mattoon is in the Central time zone (UTC-6).
Do I need to dial 10 digits when calling Mattoon?
Yes, all local calls in Mattoon 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 Mattoon?
Other cities sharing area code 217 with Mattoon include Champaign, Charleston, Danville, Decatur, Effingham, among others.
Mattoon, IL · Central Time Zone