Area Code 630 at a Glance
| Area code | 630 |
| Region | Illinois |
| Country | United States |
| Primary timezone | America/Chicago |
| Dialing format | +1 (630) NXX-XXXX |
Cities and Places Using Area Code 630
Based on prefix-level carrier data, area code 630 covers places including:
- Aurora, IL
- Naperville, IL
- Elmhurst, IL
- Oak Brook, IL
- Bensenville, IL
- Wheaton, IL
- Bolingbrook, IL
- St. Charles, IL
- Downers Grove, IL
- Lombard, IL
- Glen Ellyn, IL
- Geneva, IL
Frequently Asked Questions
Where is area code 630?
Area code 630 serves Illinois, United States.
Who is calling me from area code 630?
A call from area code 630 most likely originates from Illinois, but caller ID can be spoofed. If an unknown caller asks for personal or payment information, hang up and call the organization back on its official number.
How do I dial a 630 number?
Within North America: dial 1-630 followed by the 7-digit number. From abroad: your international prefix (like 00 or +), then 1 630 and the number.