Where Is 309 Area Code?
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Database Updated: June 15, 2025
Cities in 309 Area Code
- Peoria Heights
- Eureka
- Abingdon
- Lewistown
Counties in 309 Area Code
Prefix Codes for Area Code 309
- (309) 200
- (309) 201
- (309) 202
- (309) 203
- (309) 205
- (309) 206
- (309) 207
- (309) 208
- (309) 209
- (309) 210
- (309) 212
- (309) 213
- (309) 214
- (309) 215
- (309) 216
- (309) 218
- (309) 219
- (309) 220
- (309) 221
- (309) 222
- (309) 223
- (309) 224
- (309) 225
- (309) 226
- (309) 227
- (309) 228
- (309) 229
- (309) 230
- (309) 231
- (309) 232
- (309) 234
- (309) 235
- (309) 236
- (309) 237
- (309) 238
- (309) 239
- (309) 240
- (309) 241
- (309) 242
- (309) 243
Illinois Area Codes