| 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 |
|---|---|---|---|
| 309-822 | Chillicothe | Peoria | Landline |
| 309-299 | Galesburg | Knox | Wireless |
| 309-486 | London Mills | Fulton | Landline |
| 309-551 | Sherrard | Mercer | Landline |
| 309-240 | Dunlap | Peoria | Landline |
| 309-474 | Varna | Marshall | Landline |
| 309-269 | Moline | Rock Island | Wireless |
| 309-827 | Bloomington | Mclean | Landline |
| 309-886 | Washington | Tazewell | Landline |
| 309-833 | Macomb | Mcdonough | Landline |
| 309-223 | Peoria | Peoria | Wireless |
| 309-934 | Annawan | Henry | Landline |
| 309-999 | Peoria | Peoria | Landline |
| 309-687 | Peoria | Peoria | Landline |
| 309-218 | Peoria | Peoria | Landline |
| 309-346 | Pekin | Tazewell | Landline |
| 309-692 | Peoria | Peoria | Landline |
| 309-593 | Sherrard | Mercer | Landline |
| 309-799 | Moline | Rock Island | Landline |
| 309-476 | Osco | Henry | Landline |