Carol Stream, Illinois
Central Time Zone (UTC-6) · IL · —
About Area Codes in Carol Stream, Illinois
Carol Stream, 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 Carol Stream 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 Carol Stream, Illinois?
Carol Stream, Illinois uses area codes 630 and 331.
What time zone is Carol Stream in?
Carol Stream is in the Central time zone (UTC-6).
Do I need to dial 10 digits when calling Carol Stream?
Yes, all local calls in Carol Stream 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 Carol Stream?
Other cities sharing area code 630 with Carol Stream include Aurora, Batavia, Downers Grove, Elmhurst, Geneva, among others.
Carol Stream, IL · Central Time Zone