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).

  • 3123067300 | +1 312-306-7300 Illinois U.S.A.
  • 3123067301 | +1 312-306-7301 Illinois U.S.A.
  • 3123067302 | +1 312-306-7302 Illinois U.S.A.
  • 3123067303 | +1 312-306-7303 Illinois U.S.A.
  • 3123067304 | +1 312-306-7304 Illinois U.S.A.
  • 3123067305 | +1 312-306-7305 Illinois U.S.A.
  • 3123067306 | +1 312-306-7306 Illinois U.S.A.
  • 3123067307 | +1 312-306-7307 Illinois U.S.A.
  • 3123067308 | +1 312-306-7308 Illinois U.S.A.
  • 3123067309 | +1 312-306-7309 Illinois U.S.A.
  • 3123067310 | +1 312-306-7310 Illinois U.S.A.
  • 3123067311 | +1 312-306-7311 Illinois U.S.A.
  • 3123067312 | +1 312-306-7312 Illinois U.S.A.
  • 3123067313 | +1 312-306-7313 Illinois U.S.A.
  • 3123067314 | +1 312-306-7314 Illinois U.S.A.
  • 3123067315 | +1 312-306-7315 Illinois U.S.A.
  • 3123067316 | +1 312-306-7316 Illinois U.S.A.
  • 3123067317 | +1 312-306-7317 Illinois U.S.A.
  • 3123067318 | +1 312-306-7318 Illinois U.S.A.
  • 3123067319 | +1 312-306-7319 Illinois U.S.A.
  • 3123067320 | +1 312-306-7320 Illinois U.S.A.
  • 3123067321 | +1 312-306-7321 Illinois U.S.A.
  • 3123067322 | +1 312-306-7322 Illinois U.S.A.
  • 3123067323 | +1 312-306-7323 Illinois U.S.A.
  • 3123067324 | +1 312-306-7324 Illinois U.S.A.
  • 3123067325 | +1 312-306-7325 Illinois U.S.A.
  • 3123067326 | +1 312-306-7326 Illinois U.S.A.
  • 3123067327 | +1 312-306-7327 Illinois U.S.A.
  • 3123067328 | +1 312-306-7328 Illinois U.S.A.
  • 3123067329 | +1 312-306-7329 Illinois U.S.A.
  • 3123067330 | +1 312-306-7330 Illinois U.S.A.
  • 3123067331 | +1 312-306-7331 Illinois U.S.A.
  • 3123067332 | +1 312-306-7332 Illinois U.S.A.
  • 3123067333 | +1 312-306-7333 Illinois U.S.A.
  • 3123067334 | +1 312-306-7334 Illinois U.S.A.
  • 3123067335 | +1 312-306-7335 Illinois U.S.A.
  • 3123067336 | +1 312-306-7336 Illinois U.S.A.
  • 3123067337 | +1 312-306-7337 Illinois U.S.A.
  • 3123067338 | +1 312-306-7338 Illinois U.S.A.
  • 3123067339 | +1 312-306-7339 Illinois U.S.A.
  • 3123067340 | +1 312-306-7340 Illinois U.S.A.
  • 3123067341 | +1 312-306-7341 Illinois U.S.A.
  • 3123067342 | +1 312-306-7342 Illinois U.S.A.
  • 3123067343 | +1 312-306-7343 Illinois U.S.A.
  • 3123067344 | +1 312-306-7344 Illinois U.S.A.
  • 3123067345 | +1 312-306-7345 Illinois U.S.A.
  • 3123067346 | +1 312-306-7346 Illinois U.S.A.
  • 3123067347 | +1 312-306-7347 Illinois U.S.A.
  • 3123067348 | +1 312-306-7348 Illinois U.S.A.
  • 3123067349 | +1 312-306-7349 Illinois U.S.A.
  • 3123067350 | +1 312-306-7350 Illinois U.S.A.
  • 3123067351 | +1 312-306-7351 Illinois U.S.A.
  • 3123067352 | +1 312-306-7352 Illinois U.S.A.
  • 3123067353 | +1 312-306-7353 Illinois U.S.A.
  • 3123067354 | +1 312-306-7354 Illinois U.S.A.
  • 3123067355 | +1 312-306-7355 Illinois U.S.A.
  • 3123067356 | +1 312-306-7356 Illinois U.S.A.
  • 3123067357 | +1 312-306-7357 Illinois U.S.A.
  • 3123067358 | +1 312-306-7358 Illinois U.S.A.
  • 3123067359 | +1 312-306-7359 Illinois U.S.A.
  • 3123067360 | +1 312-306-7360 Illinois U.S.A.
  • 3123067361 | +1 312-306-7361 Illinois U.S.A.
  • 3123067362 | +1 312-306-7362 Illinois U.S.A.
  • 3123067363 | +1 312-306-7363 Illinois U.S.A.
  • 3123067364 | +1 312-306-7364 Illinois U.S.A.
  • 3123067365 | +1 312-306-7365 Illinois U.S.A.
  • 3123067366 | +1 312-306-7366 Illinois U.S.A.
  • 3123067367 | +1 312-306-7367 Illinois U.S.A.
  • 3123067368 | +1 312-306-7368 Illinois U.S.A.
  • 3123067369 | +1 312-306-7369 Illinois U.S.A.
  • 3123067370 | +1 312-306-7370 Illinois U.S.A.
  • 3123067371 | +1 312-306-7371 Illinois U.S.A.
  • 3123067372 | +1 312-306-7372 Illinois U.S.A.
  • 3123067373 | +1 312-306-7373 Illinois U.S.A.
  • 3123067374 | +1 312-306-7374 Illinois U.S.A.
  • 3123067375 | +1 312-306-7375 Illinois U.S.A.
  • 3123067376 | +1 312-306-7376 Illinois U.S.A.
  • 3123067377 | +1 312-306-7377 Illinois U.S.A.
  • 3123067378 | +1 312-306-7378 Illinois U.S.A.
  • 3123067379 | +1 312-306-7379 Illinois U.S.A.
  • 3123067380 | +1 312-306-7380 Illinois U.S.A.
  • 3123067381 | +1 312-306-7381 Illinois U.S.A.
  • 3123067382 | +1 312-306-7382 Illinois U.S.A.
  • 3123067383 | +1 312-306-7383 Illinois U.S.A.
  • 3123067384 | +1 312-306-7384 Illinois U.S.A.
  • 3123067385 | +1 312-306-7385 Illinois U.S.A.
  • 3123067386 | +1 312-306-7386 Illinois U.S.A.
  • 3123067387 | +1 312-306-7387 Illinois U.S.A.
  • 3123067388 | +1 312-306-7388 Illinois U.S.A.
  • 3123067389 | +1 312-306-7389 Illinois U.S.A.
  • 3123067390 | +1 312-306-7390 Illinois U.S.A.
  • 3123067391 | +1 312-306-7391 Illinois U.S.A.
  • 3123067392 | +1 312-306-7392 Illinois U.S.A.
  • 3123067393 | +1 312-306-7393 Illinois U.S.A.
  • 3123067394 | +1 312-306-7394 Illinois U.S.A.
  • 3123067395 | +1 312-306-7395 Illinois U.S.A.
  • 3123067396 | +1 312-306-7396 Illinois U.S.A.
  • 3123067397 | +1 312-306-7397 Illinois U.S.A.
  • 3123067398 | +1 312-306-7398 Illinois U.S.A.
  • 3123067399 | +1 312-306-7399 Illinois U.S.A.