Illinois Area Codes
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Where Is 773 Area Code?
Illinois Phone Number Lookups
Where Is 773 Area Code?
Cities in
773
Area Code
Chicago
Counties in
773
Area Code
Cook
Prefix Codes for Area Code
773
(773) 201
(773) 202
(773) 203
(773) 204
(773) 205
(773) 206
(773) 207
(773) 208
(773) 209
(773) 210
(773) 212
(773) 213
(773) 214
(773) 215
(773) 216
(773) 217
(773) 218
(773) 219
(773) 220
(773) 221
(773) 222
(773) 223
(773) 224
(773) 225
(773) 226
(773) 227
(773) 228
(773) 229
(773) 230
(773) 231
(773) 232
(773) 233
(773) 234
(773) 235
(773) 236
(773) 237
(773) 238
(773) 239
(773) 240
(773) 241
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Illinois Area Codes
217
224
309
312
331
447
464
618
630
708
773
779
815
847
872