Where Is 815 Area Code?
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Database Updated: May 15, 2025
Cities in 815 Area Code
- Frankfort Square
- Rock Falls
- Braidwood
Counties in 815 Area Code
Prefix Codes for Area Code 815
- (815) 200
- (815) 201
- (815) 202
- (815) 203
- (815) 204
- (815) 205
- (815) 206
- (815) 207
- (815) 208
- (815) 209
- (815) 210
- (815) 212
- (815) 213
- (815) 214
- (815) 215
- (815) 216
- (815) 217
- (815) 218
- (815) 219
- (815) 220
- (815) 221
- (815) 222
- (815) 223
- (815) 224
- (815) 225
- (815) 226
- (815) 227
- (815) 228
- (815) 229
- (815) 230
- (815) 231
- (815) 232
- (815) 233
- (815) 234
- (815) 235
- (815) 236
- (815) 237
- (815) 238
- (815) 239
- (815) 240
Illinois Area Codes