309 area code: location, overlays and numbers
In Illinois, 309 serves as a US telephone area code that has operated since 1957. It shares an overlay with the 861 area code.
- Location
- Illinois
- Service start date
- 1957
- Local time zone
- Central time
- Overlay
- 861
- Calls within the area
- Full 10-digit dialling
- Rate centre locations
- 171
- When exhaust is projected
- 2102
- Country calling prefix
- +1 (United States)
The source file of 11/01/2026 includes NANPA public reports, the area code report and the rate-centre report. The exhaust year comes from NANPA projections 2026-1 (April 2026). This site is unofficial and not an official NANPA site.
Get a number with code 309
You can get a 309 number in two ways. With its plan, a provider assigns a new number, chosen at sign-up from those it holds in the code. Sellers post numbers they already hold, often with a pattern, at a one-time price. After buying, you transfer the number 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 that list 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 earn
Places in the 309 area code
The NANPA list contains 171 rate centres for 309. Each rate centre is a local calling area where numbers are assigned:
Fiatt, Farmington, Farmer City, Fairview, Eureka, Erie, Elmwood, Elmira, Ellsworth, Ellisville, Eliza, El Paso, Edgington, Edelstein, Easton, East Moline, Dunlap, Downs, Delavan, Deer Creek, Danvers, Cuba, Cropsey, Cordova, Cooksville, Congerville, Colfax, Colchester, Chillicothe, Castleton, Carlock, Canton, Camp Grove, Cameron, Cambridge, Bushnell, Buda, Brimfield, Bradford, Bloomington, Blandinsville, Bishop Hill, Biggsville, Benson, Bellflower, Bath, Bardolph, Avon, Atkinson, Astoria, Arrowsmith, Annawan, Andover, Altona, Alpha, Alexis, Aledo, Albany, Adair, Abingdon and 111 more.
Other related area codes
It covers the same area and the same pool of numbers: 861. A new number for this area may come from any code listed here. Request the one you prefer.
Other Illinois area codes include 217, 312, 618, 815, 708, 847, 630 and 773. They also include 224, 779, 331, 872, 447, 464 and 730.
309 area code questions
What area does area code 309 cover?
Area code 309 serves Illinois.
Which country code applies to a 309 number?
+1. Area code 309 belongs to the North American Numbering Plan. From abroad, dial +1 309 followed by the 7-digit number.
What time is it in the 309 area code?
The 309 area uses Central time.
Who calls using a 309 number?
Numbers in this code belong to homes, mobiles and local businesses, and callers that fake a local number are included too. When a 309 number appears on your screen, it shows where the number was assigned. It does not identify the caller.