What area code is 630?
Here's everything about it.
Instant lookup for the 630 area code — location, time zone, cities served, and who's been calling from it. No sign-up, no app.
630 at a glance
Summary
Cities & regions served by 630
DuPage CountyShowing 12 of 68 recorded communities — major cities first.
Where 630 sits on the map
Overlay: 331Coverage area
About the 630 region
630 covers DuPage County in Illinois, including Addison, Aurora, Bartlett, Batavia and Bensenville. The code has been in service since 1996.
As the DuPage County region grew, 630 ran low on available numbers, so 331 was added as an overlay code over the same geographic area. Both codes are local to each other and 10-digit dialing applies throughout.
Split of 708; 2007: overlaid by 331.
Who called me from 630?
Community reports- Caller ID is trivially spoofed: an incoming call that displays 630 does not prove the caller is really in the 630 region or even in the United States.
- Avoid calling back unknown one-ring numbers — some premium-rate scams rely on curiosity callbacks.
- Never share verification codes, payment details, or remote access during an unsolicited call, even if the caller claims to be your bank or a government agency.
- When a 630 call pressures you to act immediately, hang up and contact the organization directly through its official number.
Be the first to add a community report for a 630 number below.
Frequently asked questions
FAQWhat area code is 630?+–
630 is a telephone area code serving DuPage County in Illinois, United States, in service since 1996.
Where is area code 630 located?+–
It covers DuPage County, including Addison, Aurora, Bartlett, Batavia and Bensenville in Illinois.
What cities are in area code 630?+–
Major communities on record include Addison, Aurora, Bartlett, Batavia and Bensenville, among others. The code's territory spans the DuPage County region of Illinois.
What time zone is 630?+–
630 observes Central (CT), which is UTC−6 / −5 DST and follows daylight saving time.
When did area code 630 start?+–
630 entered service in 1996. Its history: split of 708; 2007: overlaid by 331.
Why do calls to 630 require 10-digit dialing?+–
630 shares its territory with overlay code 331. Because both codes serve the same geographic area, the phone network needs all 10 digits to route a call, and calls between the codes are still local.
Is 630 a scam area code?+–
Scam and robocall traffic can use any North American code, 630 included — caller ID is easy to spoof, so the code alone does not tell you who is really calling. Check the community reports on this page before calling back an unknown 630 number, and report anything suspicious.
Can I get a 630 phone number?+–
Yes — most mobile carriers and VoIP providers let you request a 630 number regardless of where you physically live.