Lake Forest, Illinois
Central Time Zone (UTC-6) · IL · —
About Area Codes in Lake Forest, Illinois
Lake Forest, Illinois is served by 2 area codes: 224, 847. 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 Lake Forest require 10-digit dialing. The city is in the Central time zone (UTC-6).
Other cities in area code 224
Frequently Asked Questions
What area code is Lake Forest, Illinois?
Lake Forest, Illinois uses area codes 224 and 847.
What time zone is Lake Forest in?
Lake Forest is in the Central time zone (UTC-6).
Do I need to dial 10 digits when calling Lake Forest?
Yes, all local calls in Lake Forest require 10-digit dialing because the area is served by multiple overlay area codes.
When was area code 224 created?
Area code 224 was established in 2002 as an overlay code, added to the same geographic region as an existing code to provide more phone numbers.
What cities share area code 224 with Lake Forest?
Other cities sharing area code 224 with Lake Forest include Arlington Heights, Buffalo Grove, Deerfield, Des Plaines, Evanston, among others.
Also called Lake Forest:
Lake Forest, IL · Central Time Zone