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).

  • 3128396400 | +1 312-839-6400 Illinois U.S.A.
  • 3128396401 | +1 312-839-6401 Illinois U.S.A.
  • 3128396402 | +1 312-839-6402 Illinois U.S.A.
  • 3128396403 | +1 312-839-6403 Illinois U.S.A.
  • 3128396404 | +1 312-839-6404 Illinois U.S.A.
  • 3128396405 | +1 312-839-6405 Illinois U.S.A.
  • 3128396406 | +1 312-839-6406 Illinois U.S.A.
  • 3128396407 | +1 312-839-6407 Illinois U.S.A.
  • 3128396408 | +1 312-839-6408 Illinois U.S.A.
  • 3128396409 | +1 312-839-6409 Illinois U.S.A.
  • 3128396410 | +1 312-839-6410 Illinois U.S.A.
  • 3128396411 | +1 312-839-6411 Illinois U.S.A.
  • 3128396412 | +1 312-839-6412 Illinois U.S.A.
  • 3128396413 | +1 312-839-6413 Illinois U.S.A.
  • 3128396414 | +1 312-839-6414 Illinois U.S.A.
  • 3128396415 | +1 312-839-6415 Illinois U.S.A.
  • 3128396416 | +1 312-839-6416 Illinois U.S.A.
  • 3128396417 | +1 312-839-6417 Illinois U.S.A.
  • 3128396418 | +1 312-839-6418 Illinois U.S.A.
  • 3128396419 | +1 312-839-6419 Illinois U.S.A.
  • 3128396420 | +1 312-839-6420 Illinois U.S.A.
  • 3128396421 | +1 312-839-6421 Illinois U.S.A.
  • 3128396422 | +1 312-839-6422 Illinois U.S.A.
  • 3128396423 | +1 312-839-6423 Illinois U.S.A.
  • 3128396424 | +1 312-839-6424 Illinois U.S.A.
  • 3128396425 | +1 312-839-6425 Illinois U.S.A.
  • 3128396426 | +1 312-839-6426 Illinois U.S.A.
  • 3128396427 | +1 312-839-6427 Illinois U.S.A.
  • 3128396428 | +1 312-839-6428 Illinois U.S.A.
  • 3128396429 | +1 312-839-6429 Illinois U.S.A.
  • 3128396430 | +1 312-839-6430 Illinois U.S.A.
  • 3128396431 | +1 312-839-6431 Illinois U.S.A.
  • 3128396432 | +1 312-839-6432 Illinois U.S.A.
  • 3128396433 | +1 312-839-6433 Illinois U.S.A.
  • 3128396434 | +1 312-839-6434 Illinois U.S.A.
  • 3128396435 | +1 312-839-6435 Illinois U.S.A.
  • 3128396436 | +1 312-839-6436 Illinois U.S.A.
  • 3128396437 | +1 312-839-6437 Illinois U.S.A.
  • 3128396438 | +1 312-839-6438 Illinois U.S.A.
  • 3128396439 | +1 312-839-6439 Illinois U.S.A.
  • 3128396440 | +1 312-839-6440 Illinois U.S.A.
  • 3128396441 | +1 312-839-6441 Illinois U.S.A.
  • 3128396442 | +1 312-839-6442 Illinois U.S.A.
  • 3128396443 | +1 312-839-6443 Illinois U.S.A.
  • 3128396444 | +1 312-839-6444 Illinois U.S.A.
  • 3128396445 | +1 312-839-6445 Illinois U.S.A.
  • 3128396446 | +1 312-839-6446 Illinois U.S.A.
  • 3128396447 | +1 312-839-6447 Illinois U.S.A.
  • 3128396448 | +1 312-839-6448 Illinois U.S.A.
  • 3128396449 | +1 312-839-6449 Illinois U.S.A.
  • 3128396450 | +1 312-839-6450 Illinois U.S.A.
  • 3128396451 | +1 312-839-6451 Illinois U.S.A.
  • 3128396452 | +1 312-839-6452 Illinois U.S.A.
  • 3128396453 | +1 312-839-6453 Illinois U.S.A.
  • 3128396454 | +1 312-839-6454 Illinois U.S.A.
  • 3128396455 | +1 312-839-6455 Illinois U.S.A.
  • 3128396456 | +1 312-839-6456 Illinois U.S.A.
  • 3128396457 | +1 312-839-6457 Illinois U.S.A.
  • 3128396458 | +1 312-839-6458 Illinois U.S.A.
  • 3128396459 | +1 312-839-6459 Illinois U.S.A.
  • 3128396460 | +1 312-839-6460 Illinois U.S.A.
  • 3128396461 | +1 312-839-6461 Illinois U.S.A.
  • 3128396462 | +1 312-839-6462 Illinois U.S.A.
  • 3128396463 | +1 312-839-6463 Illinois U.S.A.
  • 3128396464 | +1 312-839-6464 Illinois U.S.A.
  • 3128396465 | +1 312-839-6465 Illinois U.S.A.
  • 3128396466 | +1 312-839-6466 Illinois U.S.A.
  • 3128396467 | +1 312-839-6467 Illinois U.S.A.
  • 3128396468 | +1 312-839-6468 Illinois U.S.A.
  • 3128396469 | +1 312-839-6469 Illinois U.S.A.
  • 3128396470 | +1 312-839-6470 Illinois U.S.A.
  • 3128396471 | +1 312-839-6471 Illinois U.S.A.
  • 3128396472 | +1 312-839-6472 Illinois U.S.A.
  • 3128396473 | +1 312-839-6473 Illinois U.S.A.
  • 3128396474 | +1 312-839-6474 Illinois U.S.A.
  • 3128396475 | +1 312-839-6475 Illinois U.S.A.
  • 3128396476 | +1 312-839-6476 Illinois U.S.A.
  • 3128396477 | +1 312-839-6477 Illinois U.S.A.
  • 3128396478 | +1 312-839-6478 Illinois U.S.A.
  • 3128396479 | +1 312-839-6479 Illinois U.S.A.
  • 3128396480 | +1 312-839-6480 Illinois U.S.A.
  • 3128396481 | +1 312-839-6481 Illinois U.S.A.
  • 3128396482 | +1 312-839-6482 Illinois U.S.A.
  • 3128396483 | +1 312-839-6483 Illinois U.S.A.
  • 3128396484 | +1 312-839-6484 Illinois U.S.A.
  • 3128396485 | +1 312-839-6485 Illinois U.S.A.
  • 3128396486 | +1 312-839-6486 Illinois U.S.A.
  • 3128396487 | +1 312-839-6487 Illinois U.S.A.
  • 3128396488 | +1 312-839-6488 Illinois U.S.A.
  • 3128396489 | +1 312-839-6489 Illinois U.S.A.
  • 3128396490 | +1 312-839-6490 Illinois U.S.A.
  • 3128396491 | +1 312-839-6491 Illinois U.S.A.
  • 3128396492 | +1 312-839-6492 Illinois U.S.A.
  • 3128396493 | +1 312-839-6493 Illinois U.S.A.
  • 3128396494 | +1 312-839-6494 Illinois U.S.A.
  • 3128396495 | +1 312-839-6495 Illinois U.S.A.
  • 3128396496 | +1 312-839-6496 Illinois U.S.A.
  • 3128396497 | +1 312-839-6497 Illinois U.S.A.
  • 3128396498 | +1 312-839-6498 Illinois U.S.A.
  • 3128396499 | +1 312-839-6499 Illinois U.S.A.