| General Information about Area Code 309 | |
|---|---|
| Country | United States |
| State / Province / Territory | Illinois |
| Major City | Peoria |
| Time Zone | Central (UTC-06:00) |
| Prefix | Primary City | County | Phone Type |
|---|---|---|---|
| 309-321 | Morton | Tazewell | Landline |
| 309-723 | Colfax | Mclean | Landline |
| 309-926 | Marietta | Fulton | Landline |
| 309-382 | Pekin | Tazewell | Landline |
| 309-259 | Macomb | Mcdonough | Wireless |
| 309-503 | Towanda | Mclean | Landline |
| 309-664 | Bloomington | Mclean | Landline |
| 309-600 | Reynolds | Rock Island | Landline |
| 309-721 | Moline | Rock Island | Wireless |
| 309-362 | Trivoli | Peoria | Landline |
| 309-933 | Rock Island | Rock Island | Landline |
| 309-469 | Sparland | Marshall | Landline |
| 309-787 | Rock Island | Rock Island | Landline |
| 309-987 | Cordova | Rock Island | Landline |
| 309-354 | Mackinaw | Tazewell | Landline |
| 309-705 | Roseville | Warren | Landline |
| 309-366 | Metamora | Woodford | Landline |
| 309-224 | Peoria | Peoria | Wireless |
| 309-435 | Fairview | Fulton | Landline |
| 309-682 | Peoria | Peoria | Landline |