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).

  • 3123366400 | +1 312-336-6400 Illinois U.S.A.
  • 3123366401 | +1 312-336-6401 Illinois U.S.A.
  • 3123366402 | +1 312-336-6402 Illinois U.S.A.
  • 3123366403 | +1 312-336-6403 Illinois U.S.A.
  • 3123366404 | +1 312-336-6404 Illinois U.S.A.
  • 3123366405 | +1 312-336-6405 Illinois U.S.A.
  • 3123366406 | +1 312-336-6406 Illinois U.S.A.
  • 3123366407 | +1 312-336-6407 Illinois U.S.A.
  • 3123366408 | +1 312-336-6408 Illinois U.S.A.
  • 3123366409 | +1 312-336-6409 Illinois U.S.A.
  • 3123366410 | +1 312-336-6410 Illinois U.S.A.
  • 3123366411 | +1 312-336-6411 Illinois U.S.A.
  • 3123366412 | +1 312-336-6412 Illinois U.S.A.
  • 3123366413 | +1 312-336-6413 Illinois U.S.A.
  • 3123366414 | +1 312-336-6414 Illinois U.S.A.
  • 3123366415 | +1 312-336-6415 Illinois U.S.A.
  • 3123366416 | +1 312-336-6416 Illinois U.S.A.
  • 3123366417 | +1 312-336-6417 Illinois U.S.A.
  • 3123366418 | +1 312-336-6418 Illinois U.S.A.
  • 3123366419 | +1 312-336-6419 Illinois U.S.A.
  • 3123366420 | +1 312-336-6420 Illinois U.S.A.
  • 3123366421 | +1 312-336-6421 Illinois U.S.A.
  • 3123366422 | +1 312-336-6422 Illinois U.S.A.
  • 3123366423 | +1 312-336-6423 Illinois U.S.A.
  • 3123366424 | +1 312-336-6424 Illinois U.S.A.
  • 3123366425 | +1 312-336-6425 Illinois U.S.A.
  • 3123366426 | +1 312-336-6426 Illinois U.S.A.
  • 3123366427 | +1 312-336-6427 Illinois U.S.A.
  • 3123366428 | +1 312-336-6428 Illinois U.S.A.
  • 3123366429 | +1 312-336-6429 Illinois U.S.A.
  • 3123366430 | +1 312-336-6430 Illinois U.S.A.
  • 3123366431 | +1 312-336-6431 Illinois U.S.A.
  • 3123366432 | +1 312-336-6432 Illinois U.S.A.
  • 3123366433 | +1 312-336-6433 Illinois U.S.A.
  • 3123366434 | +1 312-336-6434 Illinois U.S.A.
  • 3123366435 | +1 312-336-6435 Illinois U.S.A.
  • 3123366436 | +1 312-336-6436 Illinois U.S.A.
  • 3123366437 | +1 312-336-6437 Illinois U.S.A.
  • 3123366438 | +1 312-336-6438 Illinois U.S.A.
  • 3123366439 | +1 312-336-6439 Illinois U.S.A.
  • 3123366440 | +1 312-336-6440 Illinois U.S.A.
  • 3123366441 | +1 312-336-6441 Illinois U.S.A.
  • 3123366442 | +1 312-336-6442 Illinois U.S.A.
  • 3123366443 | +1 312-336-6443 Illinois U.S.A.
  • 3123366444 | +1 312-336-6444 Illinois U.S.A.
  • 3123366445 | +1 312-336-6445 Illinois U.S.A.
  • 3123366446 | +1 312-336-6446 Illinois U.S.A.
  • 3123366447 | +1 312-336-6447 Illinois U.S.A.
  • 3123366448 | +1 312-336-6448 Illinois U.S.A.
  • 3123366449 | +1 312-336-6449 Illinois U.S.A.
  • 3123366450 | +1 312-336-6450 Illinois U.S.A.
  • 3123366451 | +1 312-336-6451 Illinois U.S.A.
  • 3123366452 | +1 312-336-6452 Illinois U.S.A.
  • 3123366453 | +1 312-336-6453 Illinois U.S.A.
  • 3123366454 | +1 312-336-6454 Illinois U.S.A.
  • 3123366455 | +1 312-336-6455 Illinois U.S.A.
  • 3123366456 | +1 312-336-6456 Illinois U.S.A.
  • 3123366457 | +1 312-336-6457 Illinois U.S.A.
  • 3123366458 | +1 312-336-6458 Illinois U.S.A.
  • 3123366459 | +1 312-336-6459 Illinois U.S.A.
  • 3123366460 | +1 312-336-6460 Illinois U.S.A.
  • 3123366461 | +1 312-336-6461 Illinois U.S.A.
  • 3123366462 | +1 312-336-6462 Illinois U.S.A.
  • 3123366463 | +1 312-336-6463 Illinois U.S.A.
  • 3123366464 | +1 312-336-6464 Illinois U.S.A.
  • 3123366465 | +1 312-336-6465 Illinois U.S.A.
  • 3123366466 | +1 312-336-6466 Illinois U.S.A.
  • 3123366467 | +1 312-336-6467 Illinois U.S.A.
  • 3123366468 | +1 312-336-6468 Illinois U.S.A.
  • 3123366469 | +1 312-336-6469 Illinois U.S.A.
  • 3123366470 | +1 312-336-6470 Illinois U.S.A.
  • 3123366471 | +1 312-336-6471 Illinois U.S.A.
  • 3123366472 | +1 312-336-6472 Illinois U.S.A.
  • 3123366473 | +1 312-336-6473 Illinois U.S.A.
  • 3123366474 | +1 312-336-6474 Illinois U.S.A.
  • 3123366475 | +1 312-336-6475 Illinois U.S.A.
  • 3123366476 | +1 312-336-6476 Illinois U.S.A.
  • 3123366477 | +1 312-336-6477 Illinois U.S.A.
  • 3123366478 | +1 312-336-6478 Illinois U.S.A.
  • 3123366479 | +1 312-336-6479 Illinois U.S.A.
  • 3123366480 | +1 312-336-6480 Illinois U.S.A.
  • 3123366481 | +1 312-336-6481 Illinois U.S.A.
  • 3123366482 | +1 312-336-6482 Illinois U.S.A.
  • 3123366483 | +1 312-336-6483 Illinois U.S.A.
  • 3123366484 | +1 312-336-6484 Illinois U.S.A.
  • 3123366485 | +1 312-336-6485 Illinois U.S.A.
  • 3123366486 | +1 312-336-6486 Illinois U.S.A.
  • 3123366487 | +1 312-336-6487 Illinois U.S.A.
  • 3123366488 | +1 312-336-6488 Illinois U.S.A.
  • 3123366489 | +1 312-336-6489 Illinois U.S.A.
  • 3123366490 | +1 312-336-6490 Illinois U.S.A.
  • 3123366491 | +1 312-336-6491 Illinois U.S.A.
  • 3123366492 | +1 312-336-6492 Illinois U.S.A.
  • 3123366493 | +1 312-336-6493 Illinois U.S.A.
  • 3123366494 | +1 312-336-6494 Illinois U.S.A.
  • 3123366495 | +1 312-336-6495 Illinois U.S.A.
  • 3123366496 | +1 312-336-6496 Illinois U.S.A.
  • 3123366497 | +1 312-336-6497 Illinois U.S.A.
  • 3123366498 | +1 312-336-6498 Illinois U.S.A.
  • 3123366499 | +1 312-336-6499 Illinois U.S.A.