City of Chicago


312 Area code: Chicago, Cook - Landline

Directory Numbers

How to dial a U.S. number internationally:

  • Start with your country's exit code (e.g., 011 for the U.S. or Canada).
  • Dial the U.S. country code (+1).
  • Dial the 10-digit phone number (area code + local number).

  • 3129399200 | +1 312-939-9200 Illinois U.S.A.
  • 3129399201 | +1 312-939-9201 Illinois U.S.A.
  • 3129399202 | +1 312-939-9202 Illinois U.S.A.
  • 3129399203 | +1 312-939-9203 Illinois U.S.A.
  • 3129399204 | +1 312-939-9204 Illinois U.S.A.
  • 3129399205 | +1 312-939-9205 Illinois U.S.A.
  • 3129399206 | +1 312-939-9206 Illinois U.S.A.
  • 3129399207 | +1 312-939-9207 Illinois U.S.A.
  • 3129399208 | +1 312-939-9208 Illinois U.S.A.
  • 3129399209 | +1 312-939-9209 Illinois U.S.A.
  • 3129399210 | +1 312-939-9210 Illinois U.S.A.
  • 3129399211 | +1 312-939-9211 Illinois U.S.A.
  • 3129399212 | +1 312-939-9212 Illinois U.S.A.
  • 3129399213 | +1 312-939-9213 Illinois U.S.A.
  • 3129399214 | +1 312-939-9214 Illinois U.S.A.
  • 3129399215 | +1 312-939-9215 Illinois U.S.A.
  • 3129399216 | +1 312-939-9216 Illinois U.S.A.
  • 3129399217 | +1 312-939-9217 Illinois U.S.A.
  • 3129399218 | +1 312-939-9218 Illinois U.S.A.
  • 3129399219 | +1 312-939-9219 Illinois U.S.A.
  • 3129399220 | +1 312-939-9220 Illinois U.S.A.
  • 3129399221 | +1 312-939-9221 Illinois U.S.A.
  • 3129399222 | +1 312-939-9222 Illinois U.S.A.
  • 3129399223 | +1 312-939-9223 Illinois U.S.A.
  • 3129399224 | +1 312-939-9224 Illinois U.S.A.
  • 3129399225 | +1 312-939-9225 Illinois U.S.A.
  • 3129399226 | +1 312-939-9226 Illinois U.S.A.
  • 3129399227 | +1 312-939-9227 Illinois U.S.A.
  • 3129399228 | +1 312-939-9228 Illinois U.S.A.
  • 3129399229 | +1 312-939-9229 Illinois U.S.A.
  • 3129399230 | +1 312-939-9230 Illinois U.S.A.
  • 3129399231 | +1 312-939-9231 Illinois U.S.A.
  • 3129399232 | +1 312-939-9232 Illinois U.S.A.
  • 3129399233 | +1 312-939-9233 Illinois U.S.A.
  • 3129399234 | +1 312-939-9234 Illinois U.S.A.
  • 3129399235 | +1 312-939-9235 Illinois U.S.A.
  • 3129399236 | +1 312-939-9236 Illinois U.S.A.
  • 3129399237 | +1 312-939-9237 Illinois U.S.A.
  • 3129399238 | +1 312-939-9238 Illinois U.S.A.
  • 3129399239 | +1 312-939-9239 Illinois U.S.A.
  • 3129399240 | +1 312-939-9240 Illinois U.S.A.
  • 3129399241 | +1 312-939-9241 Illinois U.S.A.
  • 3129399242 | +1 312-939-9242 Illinois U.S.A.
  • 3129399243 | +1 312-939-9243 Illinois U.S.A.
  • 3129399244 | +1 312-939-9244 Illinois U.S.A.
  • 3129399245 | +1 312-939-9245 Illinois U.S.A.
  • 3129399246 | +1 312-939-9246 Illinois U.S.A.
  • 3129399247 | +1 312-939-9247 Illinois U.S.A.
  • 3129399248 | +1 312-939-9248 Illinois U.S.A.
  • 3129399249 | +1 312-939-9249 Illinois U.S.A.
  • 3129399250 | +1 312-939-9250 Illinois U.S.A.
  • 3129399251 | +1 312-939-9251 Illinois U.S.A.
  • 3129399252 | +1 312-939-9252 Illinois U.S.A.
  • 3129399253 | +1 312-939-9253 Illinois U.S.A.
  • 3129399254 | +1 312-939-9254 Illinois U.S.A.
  • 3129399255 | +1 312-939-9255 Illinois U.S.A.
  • 3129399256 | +1 312-939-9256 Illinois U.S.A.
  • 3129399257 | +1 312-939-9257 Illinois U.S.A.
  • 3129399258 | +1 312-939-9258 Illinois U.S.A.
  • 3129399259 | +1 312-939-9259 Illinois U.S.A.
  • 3129399260 | +1 312-939-9260 Illinois U.S.A.
  • 3129399261 | +1 312-939-9261 Illinois U.S.A.
  • 3129399262 | +1 312-939-9262 Illinois U.S.A.
  • 3129399263 | +1 312-939-9263 Illinois U.S.A.
  • 3129399264 | +1 312-939-9264 Illinois U.S.A.
  • 3129399265 | +1 312-939-9265 Illinois U.S.A.
  • 3129399266 | +1 312-939-9266 Illinois U.S.A.
  • 3129399267 | +1 312-939-9267 Illinois U.S.A.
  • 3129399268 | +1 312-939-9268 Illinois U.S.A.
  • 3129399269 | +1 312-939-9269 Illinois U.S.A.
  • 3129399270 | +1 312-939-9270 Illinois U.S.A.
  • 3129399271 | +1 312-939-9271 Illinois U.S.A.
  • 3129399272 | +1 312-939-9272 Illinois U.S.A.
  • 3129399273 | +1 312-939-9273 Illinois U.S.A.
  • 3129399274 | +1 312-939-9274 Illinois U.S.A.
  • 3129399275 | +1 312-939-9275 Illinois U.S.A.
  • 3129399276 | +1 312-939-9276 Illinois U.S.A.
  • 3129399277 | +1 312-939-9277 Illinois U.S.A.
  • 3129399278 | +1 312-939-9278 Illinois U.S.A.
  • 3129399279 | +1 312-939-9279 Illinois U.S.A.
  • 3129399280 | +1 312-939-9280 Illinois U.S.A.
  • 3129399281 | +1 312-939-9281 Illinois U.S.A.
  • 3129399282 | +1 312-939-9282 Illinois U.S.A.
  • 3129399283 | +1 312-939-9283 Illinois U.S.A.
  • 3129399284 | +1 312-939-9284 Illinois U.S.A.
  • 3129399285 | +1 312-939-9285 Illinois U.S.A.
  • 3129399286 | +1 312-939-9286 Illinois U.S.A.
  • 3129399287 | +1 312-939-9287 Illinois U.S.A.
  • 3129399288 | +1 312-939-9288 Illinois U.S.A.
  • 3129399289 | +1 312-939-9289 Illinois U.S.A.
  • 3129399290 | +1 312-939-9290 Illinois U.S.A.
  • 3129399291 | +1 312-939-9291 Illinois U.S.A.
  • 3129399292 | +1 312-939-9292 Illinois U.S.A.
  • 3129399293 | +1 312-939-9293 Illinois U.S.A.
  • 3129399294 | +1 312-939-9294 Illinois U.S.A.
  • 3129399295 | +1 312-939-9295 Illinois U.S.A.
  • 3129399296 | +1 312-939-9296 Illinois U.S.A.
  • 3129399297 | +1 312-939-9297 Illinois U.S.A.
  • 3129399298 | +1 312-939-9298 Illinois U.S.A.
  • 3129399299 | +1 312-939-9299 Illinois U.S.A.