630 area code: location, overlays and numbers
In Chicago, Illinois, US telephone area code 630 has served the area since 1996 and shares an overlay with 331.
- Location
- Chicago, Illinois
- Service since
- 1996
- Time zone used
- Central time
- Overlay
- 331
- Calls inside the area
- 1, then a 10-digit number to dial
- The rate centres
- 25
- Exhaust projection
- 2080
- Code for the country
- +1 (United States)
The data come from NANPA public reports, namely the area code report and the rate-centre report; the file is dated 11/01/2026. For the exhaust year, see the NANPA projections 2026-1 of April 2026. Our website is not an official NANPA site.
Get hold of a 630 number
You can get a 630 number in two ways. With a plan from a provider, you get a new number chosen at sign-up from the numbers that provider holds in the code. Numbers a seller already holds, often with a pattern, are listed for a one-time price, and you later transfer your pick to a provider.
Providers, ranked by first-year cost
| Provider | Cheapest plan | First year | Link |
|---|---|---|---|
 Free app | Basic (Just for me), free | $0 | Open Google Voice |
 Free app | Free plan, free | $0 | Open TextNow |
 Developer API | Pay-as-you-go local number, $1.15 a month | $13.80 | Open Twilio |
 Second-number app | Standard, $3.99 a month billed yearly | $47.99 | Open Burner |
 Toll-free specialist | Solo, $6.99 a month billed yearly | $84 | Open UniTel Voice |
 Second-number app | Deluxe (local number), $6.99 a month billed yearly | $102.88 | Open GoDaddy Conversations (formerly Smartline) |
Sellers listing local numbers
| Seller | What it sells | Listed price | Monthly fee | Link |
|---|---|---|---|---|
 Marketplace | Local numbers | From $9 one-time | None stated | Search at Exclusive Digits |
 Marketplace | Local and toll-free | From $9.95 one-time | $2.99 a month | Search at NumberBarn |
 Number broker | Local and toll-free | From $99 one-time | None stated | Search at RingBoost |
 Number broker | Local and toll-free | From $100 one-time | None stated | Search at PhoneNumberExpert |
| 212areacode.comNumber broker | Local numbers | From $150 one-time | None stated | Search at 212areacode.com |
Some sellers and providers may pay us a referral fee. That never changes the order, which follows first-year cost. How we make money
Places in the 630 area code
For 630, NANPA lists 25 rate centres. Each is a local calling area, and numbers are assigned to it:
Yorkville, Wheaton, Warrenville, West Chicago, Sugar Grove, Saint Charles, Roselle, Plano, Oswego, Naperville, Lombard, Lemont, Kaneville, Itasca, Hinsdale, Glen Ellyn, Geneva, Elmhurst, Elburn, Downers Grove, Big Rock, Bensenville, Batavia, Bartlett, Aurora.
Other related area codes
The same area and the same numbers pool: 331. Any of these codes can supply a new number in this area, so ask for the one you want.
The other codes serving Illinois are 217, 312, 618, 815, 309, 708, 847, 773, 224, 779, 872, 447, 464, 861 plus 730.
630 area code questions
What area does 630 cover?
Around Chicago-Naperville-Elgin, IL-IN, 630 rings in Chicago, Illinois.
Which country code belongs to 630?
+1. From abroad, you dial +1 630 plus the 7-digit number, since 630 belongs to the North American Numbering Plan.
What time is it in the 630 area code?
The 630 area uses Central time.
Who calls using a 630 number?
This code is used by homes, mobiles, local businesses and by callers faking a local number. What a 630 number shows on your screen is where that number was assigned, not the identity of the caller.