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).

  • 3128509200 | +1 312-850-9200 Illinois U.S.A.
  • 3128509201 | +1 312-850-9201 Illinois U.S.A.
  • 3128509202 | +1 312-850-9202 Illinois U.S.A.
  • 3128509203 | +1 312-850-9203 Illinois U.S.A.
  • 3128509204 | +1 312-850-9204 Illinois U.S.A.
  • 3128509205 | +1 312-850-9205 Illinois U.S.A.
  • 3128509206 | +1 312-850-9206 Illinois U.S.A.
  • 3128509207 | +1 312-850-9207 Illinois U.S.A.
  • 3128509208 | +1 312-850-9208 Illinois U.S.A.
  • 3128509209 | +1 312-850-9209 Illinois U.S.A.
  • 3128509210 | +1 312-850-9210 Illinois U.S.A.
  • 3128509211 | +1 312-850-9211 Illinois U.S.A.
  • 3128509212 | +1 312-850-9212 Illinois U.S.A.
  • 3128509213 | +1 312-850-9213 Illinois U.S.A.
  • 3128509214 | +1 312-850-9214 Illinois U.S.A.
  • 3128509215 | +1 312-850-9215 Illinois U.S.A.
  • 3128509216 | +1 312-850-9216 Illinois U.S.A.
  • 3128509217 | +1 312-850-9217 Illinois U.S.A.
  • 3128509218 | +1 312-850-9218 Illinois U.S.A.
  • 3128509219 | +1 312-850-9219 Illinois U.S.A.
  • 3128509220 | +1 312-850-9220 Illinois U.S.A.
  • 3128509221 | +1 312-850-9221 Illinois U.S.A.
  • 3128509222 | +1 312-850-9222 Illinois U.S.A.
  • 3128509223 | +1 312-850-9223 Illinois U.S.A.
  • 3128509224 | +1 312-850-9224 Illinois U.S.A.
  • 3128509225 | +1 312-850-9225 Illinois U.S.A.
  • 3128509226 | +1 312-850-9226 Illinois U.S.A.
  • 3128509227 | +1 312-850-9227 Illinois U.S.A.
  • 3128509228 | +1 312-850-9228 Illinois U.S.A.
  • 3128509229 | +1 312-850-9229 Illinois U.S.A.
  • 3128509230 | +1 312-850-9230 Illinois U.S.A.
  • 3128509231 | +1 312-850-9231 Illinois U.S.A.
  • 3128509232 | +1 312-850-9232 Illinois U.S.A.
  • 3128509233 | +1 312-850-9233 Illinois U.S.A.
  • 3128509234 | +1 312-850-9234 Illinois U.S.A.
  • 3128509235 | +1 312-850-9235 Illinois U.S.A.
  • 3128509236 | +1 312-850-9236 Illinois U.S.A.
  • 3128509237 | +1 312-850-9237 Illinois U.S.A.
  • 3128509238 | +1 312-850-9238 Illinois U.S.A.
  • 3128509239 | +1 312-850-9239 Illinois U.S.A.
  • 3128509240 | +1 312-850-9240 Illinois U.S.A.
  • 3128509241 | +1 312-850-9241 Illinois U.S.A.
  • 3128509242 | +1 312-850-9242 Illinois U.S.A.
  • 3128509243 | +1 312-850-9243 Illinois U.S.A.
  • 3128509244 | +1 312-850-9244 Illinois U.S.A.
  • 3128509245 | +1 312-850-9245 Illinois U.S.A.
  • 3128509246 | +1 312-850-9246 Illinois U.S.A.
  • 3128509247 | +1 312-850-9247 Illinois U.S.A.
  • 3128509248 | +1 312-850-9248 Illinois U.S.A.
  • 3128509249 | +1 312-850-9249 Illinois U.S.A.
  • 3128509250 | +1 312-850-9250 Illinois U.S.A.
  • 3128509251 | +1 312-850-9251 Illinois U.S.A.
  • 3128509252 | +1 312-850-9252 Illinois U.S.A.
  • 3128509253 | +1 312-850-9253 Illinois U.S.A.
  • 3128509254 | +1 312-850-9254 Illinois U.S.A.
  • 3128509255 | +1 312-850-9255 Illinois U.S.A.
  • 3128509256 | +1 312-850-9256 Illinois U.S.A.
  • 3128509257 | +1 312-850-9257 Illinois U.S.A.
  • 3128509258 | +1 312-850-9258 Illinois U.S.A.
  • 3128509259 | +1 312-850-9259 Illinois U.S.A.
  • 3128509260 | +1 312-850-9260 Illinois U.S.A.
  • 3128509261 | +1 312-850-9261 Illinois U.S.A.
  • 3128509262 | +1 312-850-9262 Illinois U.S.A.
  • 3128509263 | +1 312-850-9263 Illinois U.S.A.
  • 3128509264 | +1 312-850-9264 Illinois U.S.A.
  • 3128509265 | +1 312-850-9265 Illinois U.S.A.
  • 3128509266 | +1 312-850-9266 Illinois U.S.A.
  • 3128509267 | +1 312-850-9267 Illinois U.S.A.
  • 3128509268 | +1 312-850-9268 Illinois U.S.A.
  • 3128509269 | +1 312-850-9269 Illinois U.S.A.
  • 3128509270 | +1 312-850-9270 Illinois U.S.A.
  • 3128509271 | +1 312-850-9271 Illinois U.S.A.
  • 3128509272 | +1 312-850-9272 Illinois U.S.A.
  • 3128509273 | +1 312-850-9273 Illinois U.S.A.
  • 3128509274 | +1 312-850-9274 Illinois U.S.A.
  • 3128509275 | +1 312-850-9275 Illinois U.S.A.
  • 3128509276 | +1 312-850-9276 Illinois U.S.A.
  • 3128509277 | +1 312-850-9277 Illinois U.S.A.
  • 3128509278 | +1 312-850-9278 Illinois U.S.A.
  • 3128509279 | +1 312-850-9279 Illinois U.S.A.
  • 3128509280 | +1 312-850-9280 Illinois U.S.A.
  • 3128509281 | +1 312-850-9281 Illinois U.S.A.
  • 3128509282 | +1 312-850-9282 Illinois U.S.A.
  • 3128509283 | +1 312-850-9283 Illinois U.S.A.
  • 3128509284 | +1 312-850-9284 Illinois U.S.A.
  • 3128509285 | +1 312-850-9285 Illinois U.S.A.
  • 3128509286 | +1 312-850-9286 Illinois U.S.A.
  • 3128509287 | +1 312-850-9287 Illinois U.S.A.
  • 3128509288 | +1 312-850-9288 Illinois U.S.A.
  • 3128509289 | +1 312-850-9289 Illinois U.S.A.
  • 3128509290 | +1 312-850-9290 Illinois U.S.A.
  • 3128509291 | +1 312-850-9291 Illinois U.S.A.
  • 3128509292 | +1 312-850-9292 Illinois U.S.A.
  • 3128509293 | +1 312-850-9293 Illinois U.S.A.
  • 3128509294 | +1 312-850-9294 Illinois U.S.A.
  • 3128509295 | +1 312-850-9295 Illinois U.S.A.
  • 3128509296 | +1 312-850-9296 Illinois U.S.A.
  • 3128509297 | +1 312-850-9297 Illinois U.S.A.
  • 3128509298 | +1 312-850-9298 Illinois U.S.A.
  • 3128509299 | +1 312-850-9299 Illinois U.S.A.