| 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 |
|---|---|---|---|
| 309-782 | Rock Island | Rock Island | Landline |
| 309-928 | Farmer City | Dewitt | Landline |
| 309-442 | Brimfield | Peoria | Landline |
| 309-722 | Bellflower | Mclean | Landline |
| 309-583 | Pekin | Tazewell | Landline |
| 309-579 | Dunlap | Peoria | Landline |
| 309-616 | Williamsfield | Knox | Landline |
| 309-686 | Peoria | Peoria | Landline |
| 309-896 | Kewanee | Henry | Landline |
| 309-294 | Peoria | Peoria | Landline |
| 309-483 | Oneida | Knox | Landline |
| 309-423 | Peoria | Peoria | Landline |
| 309-496 | Hampton | Rock Island | Landline |
| 309-421 | Macomb | Mcdonough | Landline |
| 309-894 | Buda | Bureau | Landline |
| 309-772 | Bushnell | Mcdonough | Landline |
| 309-794 | Rock Island | Rock Island | Landline |
| 309-603 | Chillicothe | Peoria | Landline |
| 309-478 | Pekin | Tazewell | Landline |
| 309-602 | New Windsor | Mercer | Landline |