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).

  • 3122637300 | +1 312-263-7300 Illinois U.S.A.
  • 3122637301 | +1 312-263-7301 Illinois U.S.A.
  • 3122637302 | +1 312-263-7302 Illinois U.S.A.
  • 3122637303 | +1 312-263-7303 Illinois U.S.A.
  • 3122637304 | +1 312-263-7304 Illinois U.S.A.
  • 3122637305 | +1 312-263-7305 Illinois U.S.A.
  • 3122637306 | +1 312-263-7306 Illinois U.S.A.
  • 3122637307 | +1 312-263-7307 Illinois U.S.A.
  • 3122637308 | +1 312-263-7308 Illinois U.S.A.
  • 3122637309 | +1 312-263-7309 Illinois U.S.A.
  • 3122637310 | +1 312-263-7310 Illinois U.S.A.
  • 3122637311 | +1 312-263-7311 Illinois U.S.A.
  • 3122637312 | +1 312-263-7312 Illinois U.S.A.
  • 3122637313 | +1 312-263-7313 Illinois U.S.A.
  • 3122637314 | +1 312-263-7314 Illinois U.S.A.
  • 3122637315 | +1 312-263-7315 Illinois U.S.A.
  • 3122637316 | +1 312-263-7316 Illinois U.S.A.
  • 3122637317 | +1 312-263-7317 Illinois U.S.A.
  • 3122637318 | +1 312-263-7318 Illinois U.S.A.
  • 3122637319 | +1 312-263-7319 Illinois U.S.A.
  • 3122637320 | +1 312-263-7320 Illinois U.S.A.
  • 3122637321 | +1 312-263-7321 Illinois U.S.A.
  • 3122637322 | +1 312-263-7322 Illinois U.S.A.
  • 3122637323 | +1 312-263-7323 Illinois U.S.A.
  • 3122637324 | +1 312-263-7324 Illinois U.S.A.
  • 3122637325 | +1 312-263-7325 Illinois U.S.A.
  • 3122637326 | +1 312-263-7326 Illinois U.S.A.
  • 3122637327 | +1 312-263-7327 Illinois U.S.A.
  • 3122637328 | +1 312-263-7328 Illinois U.S.A.
  • 3122637329 | +1 312-263-7329 Illinois U.S.A.
  • 3122637330 | +1 312-263-7330 Illinois U.S.A.
  • 3122637331 | +1 312-263-7331 Illinois U.S.A.
  • 3122637332 | +1 312-263-7332 Illinois U.S.A.
  • 3122637333 | +1 312-263-7333 Illinois U.S.A.
  • 3122637334 | +1 312-263-7334 Illinois U.S.A.
  • 3122637335 | +1 312-263-7335 Illinois U.S.A.
  • 3122637336 | +1 312-263-7336 Illinois U.S.A.
  • 3122637337 | +1 312-263-7337 Illinois U.S.A.
  • 3122637338 | +1 312-263-7338 Illinois U.S.A.
  • 3122637339 | +1 312-263-7339 Illinois U.S.A.
  • 3122637340 | +1 312-263-7340 Illinois U.S.A.
  • 3122637341 | +1 312-263-7341 Illinois U.S.A.
  • 3122637342 | +1 312-263-7342 Illinois U.S.A.
  • 3122637343 | +1 312-263-7343 Illinois U.S.A.
  • 3122637344 | +1 312-263-7344 Illinois U.S.A.
  • 3122637345 | +1 312-263-7345 Illinois U.S.A.
  • 3122637346 | +1 312-263-7346 Illinois U.S.A.
  • 3122637347 | +1 312-263-7347 Illinois U.S.A.
  • 3122637348 | +1 312-263-7348 Illinois U.S.A.
  • 3122637349 | +1 312-263-7349 Illinois U.S.A.
  • 3122637350 | +1 312-263-7350 Illinois U.S.A.
  • 3122637351 | +1 312-263-7351 Illinois U.S.A.
  • 3122637352 | +1 312-263-7352 Illinois U.S.A.
  • 3122637353 | +1 312-263-7353 Illinois U.S.A.
  • 3122637354 | +1 312-263-7354 Illinois U.S.A.
  • 3122637355 | +1 312-263-7355 Illinois U.S.A.
  • 3122637356 | +1 312-263-7356 Illinois U.S.A.
  • 3122637357 | +1 312-263-7357 Illinois U.S.A.
  • 3122637358 | +1 312-263-7358 Illinois U.S.A.
  • 3122637359 | +1 312-263-7359 Illinois U.S.A.
  • 3122637360 | +1 312-263-7360 Illinois U.S.A.
  • 3122637361 | +1 312-263-7361 Illinois U.S.A.
  • 3122637362 | +1 312-263-7362 Illinois U.S.A.
  • 3122637363 | +1 312-263-7363 Illinois U.S.A.
  • 3122637364 | +1 312-263-7364 Illinois U.S.A.
  • 3122637365 | +1 312-263-7365 Illinois U.S.A.
  • 3122637366 | +1 312-263-7366 Illinois U.S.A.
  • 3122637367 | +1 312-263-7367 Illinois U.S.A.
  • 3122637368 | +1 312-263-7368 Illinois U.S.A.
  • 3122637369 | +1 312-263-7369 Illinois U.S.A.
  • 3122637370 | +1 312-263-7370 Illinois U.S.A.
  • 3122637371 | +1 312-263-7371 Illinois U.S.A.
  • 3122637372 | +1 312-263-7372 Illinois U.S.A.
  • 3122637373 | +1 312-263-7373 Illinois U.S.A.
  • 3122637374 | +1 312-263-7374 Illinois U.S.A.
  • 3122637375 | +1 312-263-7375 Illinois U.S.A.
  • 3122637376 | +1 312-263-7376 Illinois U.S.A.
  • 3122637377 | +1 312-263-7377 Illinois U.S.A.
  • 3122637378 | +1 312-263-7378 Illinois U.S.A.
  • 3122637379 | +1 312-263-7379 Illinois U.S.A.
  • 3122637380 | +1 312-263-7380 Illinois U.S.A.
  • 3122637381 | +1 312-263-7381 Illinois U.S.A.
  • 3122637382 | +1 312-263-7382 Illinois U.S.A.
  • 3122637383 | +1 312-263-7383 Illinois U.S.A.
  • 3122637384 | +1 312-263-7384 Illinois U.S.A.
  • 3122637385 | +1 312-263-7385 Illinois U.S.A.
  • 3122637386 | +1 312-263-7386 Illinois U.S.A.
  • 3122637387 | +1 312-263-7387 Illinois U.S.A.
  • 3122637388 | +1 312-263-7388 Illinois U.S.A.
  • 3122637389 | +1 312-263-7389 Illinois U.S.A.
  • 3122637390 | +1 312-263-7390 Illinois U.S.A.
  • 3122637391 | +1 312-263-7391 Illinois U.S.A.
  • 3122637392 | +1 312-263-7392 Illinois U.S.A.
  • 3122637393 | +1 312-263-7393 Illinois U.S.A.
  • 3122637394 | +1 312-263-7394 Illinois U.S.A.
  • 3122637395 | +1 312-263-7395 Illinois U.S.A.
  • 3122637396 | +1 312-263-7396 Illinois U.S.A.
  • 3122637397 | +1 312-263-7397 Illinois U.S.A.
  • 3122637398 | +1 312-263-7398 Illinois U.S.A.
  • 3122637399 | +1 312-263-7399 Illinois U.S.A.