| 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 |
|---|---|---|---|
| 309-887 | Albany | Whiteside | Landline |
| 309-627 | Biggsville | Henderson | Landline |
| 309-755 | East Moline | Rock Island | Landline |
| 309-807 | Bloomington | Mclean | Landline |
| 309-361 | Peoria | Peoria | Wireless |
| 309-781 | Moline | Rock Island | Wireless |
| 309-205 | Bloomington | Mclean | Landline |
| 309-646 | Peoria | Peoria | Wireless |
| 309-594 | Neponset | Bureau | Landline |
| 309-201 | Pekin | Tazewell | Wireless |
| 309-349 | Pekin | Tazewell | Landline |
| 309-899 | Kewanee | Henry | Landline |
| 309-508 | Peoria | Peoria | Landline |
| 309-526 | Orion | Henry | Landline |
| 309-458 | Plymouth | Hancock | Landline |
| 309-785 | Cuba | Fulton | Landline |
| 309-808 | Bloomington | Mclean | Landline |
| 309-523 | Port Byron | Rock Island | Landline |
| 309-333 | Adair | Mcdonough | Wireless |
| 309-237 | Macomb | Mcdonough | Wireless |