Illinois Phone Prefixes in 312-2XX Area Code
Phone Prefixes in the 312-2XX Area Code
| Prefix | Usage | Primary City |
|---|---|---|
| (312) 222 | Landline | Chicago |
| (312) 249 | Wireless | Chicago |
| (312) 292 | Wireless | Chicago |
| (312) 209 | Wireless | Northbrook |
| (312) 277 | Landline | Chicago |
| (312) 256 | Landline | Chicago |
| (312) 266 | Landline | Chicago |
| (312) 288 | Landline | Chicago |
| (312) 205 | Landline | Chicago |
| (312) 228 | Landline | Chicago |
| (312) 202 | Landline | Chicago |
| (312) 250 | Wireless | Chicago |
| (312) 275 | Landline | Chicago |
| (312) 201 | Landline | Chicago |
| (312) 234 | Landline | Chicago |
| (312) 231 | Wireless | Roselle |
| (312) 255 | Landline | Chicago |
| (312) 242 | Landline | Chicago |
| (312) 260 | Landline | Chicago |
| (312) 203 | Wireless | Chicago |
| (312) 284 | Landline | Chicago |
| (312) 268 | Landline | Chicago |
| (312) 258 | Landline | Chicago |
| (312) 285 | Wireless | Chicago |
| (312) 239 | Landline | Chicago |
| (312) 280 | Landline | Chicago |
| (312) 229 | Landline | Chicago |
| (312) 213 | Wireless | Chicago |
| (312) 212 | Landline | Chicago |
| (312) 247 | Landline | Chicago |
| (312) 263 | Landline | Chicago |
| (312) 276 | Landline | Chicago |
| (312) 297 | Landline | Chicago |
| (312) 290 | Wireless | Chicago |
| (312) 281 | Landline | Chicago |
| (312) 236 | Landline | Chicago |
| (312) 293 | Landline | Chicago |
| (312) 289 | Wireless | Chicago |
| (312) 265 | Landline | Chicago |
| (312) 296 | Wireless | Chicago |
| (312) 259 | Wireless | Chicago |
| (312) 278 | Landline | Chicago |
| (312) 244 | Landline | Chicago |
| (312) 243 | Landline | Chicago |
| (312) 287 | Wireless | Chicago |
| (312) 217 | Wireless | Chicago |
| (312) 227 | Landline | Chicago |
| (312) 240 | Landline | Chicago |
| Prefix | Usage | Primary City |
|---|---|---|
| (312) 269 | Landline | Chicago |
| (312) 246 | Wireless | Wheeling |
| (312) 267 | Landline | Chicago |
| (312) 298 | Landline | Chicago |
| (312) 241 | Wireless | Chicago |
| (312) 204 | Landline | Chicago |
| (312) 214 | Landline | Chicago |
| (312) 262 | Landline | Chicago |
| (312) 294 | Landline | Chicago |
| (312) 235 | Landline | Chicago |
| (312) 224 | Landline | Chicago |
| (312) 207 | Landline | Chicago |
| (312) 291 | Landline | Chicago |
| (312) 299 | Wireless | Chicago |
| (312) 238 | Landline | Chicago |
| (312) 286 | Wireless | Chicago |
| (312) 251 | Landline | Chicago |
| (312) 218 | Wireless | Chicago |
| (312) 279 | Landline | Chicago |
| (312) 225 | Landline | Chicago |
| (312) 272 | Wireless | Chicago |
| (312) 226 | Landline | Chicago |
| (312) 223 | Landline | Chicago |
| (312) 245 | Landline | Chicago |
| (312) 233 | Landline | Chicago |
| (312) 252 | Landline | Chicago |
| (312) 221 | Wireless | Chicago |
| (312) 282 | Wireless | Chicago |
| (312) 295 | Wireless | La Grange Park |
| (312) 216 | Landline | Chicago |
| (312) 274 | Landline | Chicago |
| (312) 261 | Landline | Chicago |
| (312) 271 | Wireless | Chicago |
| (312) 253 | Landline | Chicago |
| (312) 264 | Landline | Chicago |
| (312) 232 | Wireless | Chicago |
| (312) 215 | Wireless | Wheeling |
| (312) 257 | Wireless | Chicago |
| (312) 283 | Landline | Chicago |
| (312) 237 | Wireless | Chicago |
| (312) 254 | Landline | Chicago |
| (312) 220 | Landline | Chicago |
| (312) 208 | Wireless | Chicago |
| (312) 219 | Wireless | Chicago |
| (312) 248 | Unknown | |
| (312) 273 | Wireless | Chicago |
| (312) 206 | Wireless | Chicago |
| (312) 230 | Landline | Chicago |
More 3XX Area Codes Phone Numbers
