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).

  • 3124727300 | +1 312-472-7300 Illinois U.S.A.
  • 3124727301 | +1 312-472-7301 Illinois U.S.A.
  • 3124727302 | +1 312-472-7302 Illinois U.S.A.
  • 3124727303 | +1 312-472-7303 Illinois U.S.A.
  • 3124727304 | +1 312-472-7304 Illinois U.S.A.
  • 3124727305 | +1 312-472-7305 Illinois U.S.A.
  • 3124727306 | +1 312-472-7306 Illinois U.S.A.
  • 3124727307 | +1 312-472-7307 Illinois U.S.A.
  • 3124727308 | +1 312-472-7308 Illinois U.S.A.
  • 3124727309 | +1 312-472-7309 Illinois U.S.A.
  • 3124727310 | +1 312-472-7310 Illinois U.S.A.
  • 3124727311 | +1 312-472-7311 Illinois U.S.A.
  • 3124727312 | +1 312-472-7312 Illinois U.S.A.
  • 3124727313 | +1 312-472-7313 Illinois U.S.A.
  • 3124727314 | +1 312-472-7314 Illinois U.S.A.
  • 3124727315 | +1 312-472-7315 Illinois U.S.A.
  • 3124727316 | +1 312-472-7316 Illinois U.S.A.
  • 3124727317 | +1 312-472-7317 Illinois U.S.A.
  • 3124727318 | +1 312-472-7318 Illinois U.S.A.
  • 3124727319 | +1 312-472-7319 Illinois U.S.A.
  • 3124727320 | +1 312-472-7320 Illinois U.S.A.
  • 3124727321 | +1 312-472-7321 Illinois U.S.A.
  • 3124727322 | +1 312-472-7322 Illinois U.S.A.
  • 3124727323 | +1 312-472-7323 Illinois U.S.A.
  • 3124727324 | +1 312-472-7324 Illinois U.S.A.
  • 3124727325 | +1 312-472-7325 Illinois U.S.A.
  • 3124727326 | +1 312-472-7326 Illinois U.S.A.
  • 3124727327 | +1 312-472-7327 Illinois U.S.A.
  • 3124727328 | +1 312-472-7328 Illinois U.S.A.
  • 3124727329 | +1 312-472-7329 Illinois U.S.A.
  • 3124727330 | +1 312-472-7330 Illinois U.S.A.
  • 3124727331 | +1 312-472-7331 Illinois U.S.A.
  • 3124727332 | +1 312-472-7332 Illinois U.S.A.
  • 3124727333 | +1 312-472-7333 Illinois U.S.A.
  • 3124727334 | +1 312-472-7334 Illinois U.S.A.
  • 3124727335 | +1 312-472-7335 Illinois U.S.A.
  • 3124727336 | +1 312-472-7336 Illinois U.S.A.
  • 3124727337 | +1 312-472-7337 Illinois U.S.A.
  • 3124727338 | +1 312-472-7338 Illinois U.S.A.
  • 3124727339 | +1 312-472-7339 Illinois U.S.A.
  • 3124727340 | +1 312-472-7340 Illinois U.S.A.
  • 3124727341 | +1 312-472-7341 Illinois U.S.A.
  • 3124727342 | +1 312-472-7342 Illinois U.S.A.
  • 3124727343 | +1 312-472-7343 Illinois U.S.A.
  • 3124727344 | +1 312-472-7344 Illinois U.S.A.
  • 3124727345 | +1 312-472-7345 Illinois U.S.A.
  • 3124727346 | +1 312-472-7346 Illinois U.S.A.
  • 3124727347 | +1 312-472-7347 Illinois U.S.A.
  • 3124727348 | +1 312-472-7348 Illinois U.S.A.
  • 3124727349 | +1 312-472-7349 Illinois U.S.A.
  • 3124727350 | +1 312-472-7350 Illinois U.S.A.
  • 3124727351 | +1 312-472-7351 Illinois U.S.A.
  • 3124727352 | +1 312-472-7352 Illinois U.S.A.
  • 3124727353 | +1 312-472-7353 Illinois U.S.A.
  • 3124727354 | +1 312-472-7354 Illinois U.S.A.
  • 3124727355 | +1 312-472-7355 Illinois U.S.A.
  • 3124727356 | +1 312-472-7356 Illinois U.S.A.
  • 3124727357 | +1 312-472-7357 Illinois U.S.A.
  • 3124727358 | +1 312-472-7358 Illinois U.S.A.
  • 3124727359 | +1 312-472-7359 Illinois U.S.A.
  • 3124727360 | +1 312-472-7360 Illinois U.S.A.
  • 3124727361 | +1 312-472-7361 Illinois U.S.A.
  • 3124727362 | +1 312-472-7362 Illinois U.S.A.
  • 3124727363 | +1 312-472-7363 Illinois U.S.A.
  • 3124727364 | +1 312-472-7364 Illinois U.S.A.
  • 3124727365 | +1 312-472-7365 Illinois U.S.A.
  • 3124727366 | +1 312-472-7366 Illinois U.S.A.
  • 3124727367 | +1 312-472-7367 Illinois U.S.A.
  • 3124727368 | +1 312-472-7368 Illinois U.S.A.
  • 3124727369 | +1 312-472-7369 Illinois U.S.A.
  • 3124727370 | +1 312-472-7370 Illinois U.S.A.
  • 3124727371 | +1 312-472-7371 Illinois U.S.A.
  • 3124727372 | +1 312-472-7372 Illinois U.S.A.
  • 3124727373 | +1 312-472-7373 Illinois U.S.A.
  • 3124727374 | +1 312-472-7374 Illinois U.S.A.
  • 3124727375 | +1 312-472-7375 Illinois U.S.A.
  • 3124727376 | +1 312-472-7376 Illinois U.S.A.
  • 3124727377 | +1 312-472-7377 Illinois U.S.A.
  • 3124727378 | +1 312-472-7378 Illinois U.S.A.
  • 3124727379 | +1 312-472-7379 Illinois U.S.A.
  • 3124727380 | +1 312-472-7380 Illinois U.S.A.
  • 3124727381 | +1 312-472-7381 Illinois U.S.A.
  • 3124727382 | +1 312-472-7382 Illinois U.S.A.
  • 3124727383 | +1 312-472-7383 Illinois U.S.A.
  • 3124727384 | +1 312-472-7384 Illinois U.S.A.
  • 3124727385 | +1 312-472-7385 Illinois U.S.A.
  • 3124727386 | +1 312-472-7386 Illinois U.S.A.
  • 3124727387 | +1 312-472-7387 Illinois U.S.A.
  • 3124727388 | +1 312-472-7388 Illinois U.S.A.
  • 3124727389 | +1 312-472-7389 Illinois U.S.A.
  • 3124727390 | +1 312-472-7390 Illinois U.S.A.
  • 3124727391 | +1 312-472-7391 Illinois U.S.A.
  • 3124727392 | +1 312-472-7392 Illinois U.S.A.
  • 3124727393 | +1 312-472-7393 Illinois U.S.A.
  • 3124727394 | +1 312-472-7394 Illinois U.S.A.
  • 3124727395 | +1 312-472-7395 Illinois U.S.A.
  • 3124727396 | +1 312-472-7396 Illinois U.S.A.
  • 3124727397 | +1 312-472-7397 Illinois U.S.A.
  • 3124727398 | +1 312-472-7398 Illinois U.S.A.
  • 3124727399 | +1 312-472-7399 Illinois U.S.A.