Mount Prospect, Illinois
Central Time Zone (UTC-6) · IL · —
About Area Codes in Mount Prospect, Illinois
Mount Prospect, Illinois is served by 2 area codes: 847, 224. 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 Mount Prospect require 10-digit dialing. The city is in the Central time zone (UTC-6).
Other cities in area code 847
Frequently Asked Questions
What area code is Mount Prospect, Illinois?
Mount Prospect, Illinois uses area codes 847 and 224.
What time zone is Mount Prospect in?
Mount Prospect is in the Central time zone (UTC-6).
Do I need to dial 10 digits when calling Mount Prospect?
Yes, all local calls in Mount Prospect require 10-digit dialing because the area is served by multiple overlay area codes.
When was area code 847 created?
Area code 847 was established in 1996 as a geographic split from a larger area code region to serve the growing population.
What cities share area code 847 with Mount Prospect?
Other cities sharing area code 847 with Mount Prospect include Arlington Heights, Buffalo Grove, Deerfield, Des Plaines, Evanston, among others.
Mount Prospect, IL · Central Time Zone