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).

  • 3122230300 | +1 312-223-0300 Illinois U.S.A.
  • 3122230301 | +1 312-223-0301 Illinois U.S.A.
  • 3122230302 | +1 312-223-0302 Illinois U.S.A.
  • 3122230303 | +1 312-223-0303 Illinois U.S.A.
  • 3122230304 | +1 312-223-0304 Illinois U.S.A.
  • 3122230305 | +1 312-223-0305 Illinois U.S.A.
  • 3122230306 | +1 312-223-0306 Illinois U.S.A.
  • 3122230307 | +1 312-223-0307 Illinois U.S.A.
  • 3122230308 | +1 312-223-0308 Illinois U.S.A.
  • 3122230309 | +1 312-223-0309 Illinois U.S.A.
  • 3122230310 | +1 312-223-0310 Illinois U.S.A.
  • 3122230311 | +1 312-223-0311 Illinois U.S.A.
  • 3122230312 | +1 312-223-0312 Illinois U.S.A.
  • 3122230313 | +1 312-223-0313 Illinois U.S.A.
  • 3122230314 | +1 312-223-0314 Illinois U.S.A.
  • 3122230315 | +1 312-223-0315 Illinois U.S.A.
  • 3122230316 | +1 312-223-0316 Illinois U.S.A.
  • 3122230317 | +1 312-223-0317 Illinois U.S.A.
  • 3122230318 | +1 312-223-0318 Illinois U.S.A.
  • 3122230319 | +1 312-223-0319 Illinois U.S.A.
  • 3122230320 | +1 312-223-0320 Illinois U.S.A.
  • 3122230321 | +1 312-223-0321 Illinois U.S.A.
  • 3122230322 | +1 312-223-0322 Illinois U.S.A.
  • 3122230323 | +1 312-223-0323 Illinois U.S.A.
  • 3122230324 | +1 312-223-0324 Illinois U.S.A.
  • 3122230325 | +1 312-223-0325 Illinois U.S.A.
  • 3122230326 | +1 312-223-0326 Illinois U.S.A.
  • 3122230327 | +1 312-223-0327 Illinois U.S.A.
  • 3122230328 | +1 312-223-0328 Illinois U.S.A.
  • 3122230329 | +1 312-223-0329 Illinois U.S.A.
  • 3122230330 | +1 312-223-0330 Illinois U.S.A.
  • 3122230331 | +1 312-223-0331 Illinois U.S.A.
  • 3122230332 | +1 312-223-0332 Illinois U.S.A.
  • 3122230333 | +1 312-223-0333 Illinois U.S.A.
  • 3122230334 | +1 312-223-0334 Illinois U.S.A.
  • 3122230335 | +1 312-223-0335 Illinois U.S.A.
  • 3122230336 | +1 312-223-0336 Illinois U.S.A.
  • 3122230337 | +1 312-223-0337 Illinois U.S.A.
  • 3122230338 | +1 312-223-0338 Illinois U.S.A.
  • 3122230339 | +1 312-223-0339 Illinois U.S.A.
  • 3122230340 | +1 312-223-0340 Illinois U.S.A.
  • 3122230341 | +1 312-223-0341 Illinois U.S.A.
  • 3122230342 | +1 312-223-0342 Illinois U.S.A.
  • 3122230343 | +1 312-223-0343 Illinois U.S.A.
  • 3122230344 | +1 312-223-0344 Illinois U.S.A.
  • 3122230345 | +1 312-223-0345 Illinois U.S.A.
  • 3122230346 | +1 312-223-0346 Illinois U.S.A.
  • 3122230347 | +1 312-223-0347 Illinois U.S.A.
  • 3122230348 | +1 312-223-0348 Illinois U.S.A.
  • 3122230349 | +1 312-223-0349 Illinois U.S.A.
  • 3122230350 | +1 312-223-0350 Illinois U.S.A.
  • 3122230351 | +1 312-223-0351 Illinois U.S.A.
  • 3122230352 | +1 312-223-0352 Illinois U.S.A.
  • 3122230353 | +1 312-223-0353 Illinois U.S.A.
  • 3122230354 | +1 312-223-0354 Illinois U.S.A.
  • 3122230355 | +1 312-223-0355 Illinois U.S.A.
  • 3122230356 | +1 312-223-0356 Illinois U.S.A.
  • 3122230357 | +1 312-223-0357 Illinois U.S.A.
  • 3122230358 | +1 312-223-0358 Illinois U.S.A.
  • 3122230359 | +1 312-223-0359 Illinois U.S.A.
  • 3122230360 | +1 312-223-0360 Illinois U.S.A.
  • 3122230361 | +1 312-223-0361 Illinois U.S.A.
  • 3122230362 | +1 312-223-0362 Illinois U.S.A.
  • 3122230363 | +1 312-223-0363 Illinois U.S.A.
  • 3122230364 | +1 312-223-0364 Illinois U.S.A.
  • 3122230365 | +1 312-223-0365 Illinois U.S.A.
  • 3122230366 | +1 312-223-0366 Illinois U.S.A.
  • 3122230367 | +1 312-223-0367 Illinois U.S.A.
  • 3122230368 | +1 312-223-0368 Illinois U.S.A.
  • 3122230369 | +1 312-223-0369 Illinois U.S.A.
  • 3122230370 | +1 312-223-0370 Illinois U.S.A.
  • 3122230371 | +1 312-223-0371 Illinois U.S.A.
  • 3122230372 | +1 312-223-0372 Illinois U.S.A.
  • 3122230373 | +1 312-223-0373 Illinois U.S.A.
  • 3122230374 | +1 312-223-0374 Illinois U.S.A.
  • 3122230375 | +1 312-223-0375 Illinois U.S.A.
  • 3122230376 | +1 312-223-0376 Illinois U.S.A.
  • 3122230377 | +1 312-223-0377 Illinois U.S.A.
  • 3122230378 | +1 312-223-0378 Illinois U.S.A.
  • 3122230379 | +1 312-223-0379 Illinois U.S.A.
  • 3122230380 | +1 312-223-0380 Illinois U.S.A.
  • 3122230381 | +1 312-223-0381 Illinois U.S.A.
  • 3122230382 | +1 312-223-0382 Illinois U.S.A.
  • 3122230383 | +1 312-223-0383 Illinois U.S.A.
  • 3122230384 | +1 312-223-0384 Illinois U.S.A.
  • 3122230385 | +1 312-223-0385 Illinois U.S.A.
  • 3122230386 | +1 312-223-0386 Illinois U.S.A.
  • 3122230387 | +1 312-223-0387 Illinois U.S.A.
  • 3122230388 | +1 312-223-0388 Illinois U.S.A.
  • 3122230389 | +1 312-223-0389 Illinois U.S.A.
  • 3122230390 | +1 312-223-0390 Illinois U.S.A.
  • 3122230391 | +1 312-223-0391 Illinois U.S.A.
  • 3122230392 | +1 312-223-0392 Illinois U.S.A.
  • 3122230393 | +1 312-223-0393 Illinois U.S.A.
  • 3122230394 | +1 312-223-0394 Illinois U.S.A.
  • 3122230395 | +1 312-223-0395 Illinois U.S.A.
  • 3122230396 | +1 312-223-0396 Illinois U.S.A.
  • 3122230397 | +1 312-223-0397 Illinois U.S.A.
  • 3122230398 | +1 312-223-0398 Illinois U.S.A.
  • 3122230399 | +1 312-223-0399 Illinois U.S.A.