| 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 |
|---|---|---|---|
| 309-254 | Industry | Mcdonough | Landline |
| 309-562 | Easton | Mason | Landline |
| 309-208 | Peoria | Peoria | Wireless |
| 309-288 | Mineral | Bureau | Landline |
| 309-893 | Saybrook | Mclean | Landline |
| 309-843 | Alexis | Mercer | Landline |
| 309-725 | Cooksville | Mclean | Landline |
| 309-677 | Peoria | Peoria | Landline |
| 309-547 | Lewistown | Fulton | Landline |
| 309-791 | Taylor Ridge | Rock Island | Landline |
| 309-774 | Roseville | Warren | Landline |
| 309-964 | Goodfield | Woodford | Landline |
| 309-401 | Peoria | Peoria | Landline |
| 309-222 | Peoria | Peoria | Landline |
| 309-762 | Moline | Rock Island | Landline |
| 309-642 | Pekin | Tazewell | Wireless |
| 309-609 | Altona | Knox | Landline |
| 309-255 | Macomb | Mcdonough | Wireless |
| 309-629 | Alpha | Henry | Landline |
| 309-736 | Moline | Rock Island | Landline |