Downers Grove, Illinois
Central Time Zone (UTC-6) · IL · —
About Area Codes in Downers Grove, Illinois
Downers Grove, Illinois is served by 2 area codes: 630, 331. 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 Downers Grove require 10-digit dialing. The city is in the Central time zone (UTC-6).
Other cities in area code 630
Frequently Asked Questions
What area code is Downers Grove, Illinois?
Downers Grove, Illinois uses area codes 630 and 331.
What time zone is Downers Grove in?
Downers Grove is in the Central time zone (UTC-6).
Do I need to dial 10 digits when calling Downers Grove?
Yes, all local calls in Downers Grove require 10-digit dialing because the area is served by multiple overlay area codes.
When was area code 630 created?
Area code 630 was established in 1996 as a geographic split from a larger area code region to serve the growing population.
What cities share area code 630 with Downers Grove?
Other cities sharing area code 630 with Downers Grove include Aurora, Batavia, Carol Stream, Elmhurst, Geneva, among others.
Downers Grove, IL · Central Time Zone