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).

  • 3128506400 | +1 312-850-6400 Illinois U.S.A.
  • 3128506401 | +1 312-850-6401 Illinois U.S.A.
  • 3128506402 | +1 312-850-6402 Illinois U.S.A.
  • 3128506403 | +1 312-850-6403 Illinois U.S.A.
  • 3128506404 | +1 312-850-6404 Illinois U.S.A.
  • 3128506405 | +1 312-850-6405 Illinois U.S.A.
  • 3128506406 | +1 312-850-6406 Illinois U.S.A.
  • 3128506407 | +1 312-850-6407 Illinois U.S.A.
  • 3128506408 | +1 312-850-6408 Illinois U.S.A.
  • 3128506409 | +1 312-850-6409 Illinois U.S.A.
  • 3128506410 | +1 312-850-6410 Illinois U.S.A.
  • 3128506411 | +1 312-850-6411 Illinois U.S.A.
  • 3128506412 | +1 312-850-6412 Illinois U.S.A.
  • 3128506413 | +1 312-850-6413 Illinois U.S.A.
  • 3128506414 | +1 312-850-6414 Illinois U.S.A.
  • 3128506415 | +1 312-850-6415 Illinois U.S.A.
  • 3128506416 | +1 312-850-6416 Illinois U.S.A.
  • 3128506417 | +1 312-850-6417 Illinois U.S.A.
  • 3128506418 | +1 312-850-6418 Illinois U.S.A.
  • 3128506419 | +1 312-850-6419 Illinois U.S.A.
  • 3128506420 | +1 312-850-6420 Illinois U.S.A.
  • 3128506421 | +1 312-850-6421 Illinois U.S.A.
  • 3128506422 | +1 312-850-6422 Illinois U.S.A.
  • 3128506423 | +1 312-850-6423 Illinois U.S.A.
  • 3128506424 | +1 312-850-6424 Illinois U.S.A.
  • 3128506425 | +1 312-850-6425 Illinois U.S.A.
  • 3128506426 | +1 312-850-6426 Illinois U.S.A.
  • 3128506427 | +1 312-850-6427 Illinois U.S.A.
  • 3128506428 | +1 312-850-6428 Illinois U.S.A.
  • 3128506429 | +1 312-850-6429 Illinois U.S.A.
  • 3128506430 | +1 312-850-6430 Illinois U.S.A.
  • 3128506431 | +1 312-850-6431 Illinois U.S.A.
  • 3128506432 | +1 312-850-6432 Illinois U.S.A.
  • 3128506433 | +1 312-850-6433 Illinois U.S.A.
  • 3128506434 | +1 312-850-6434 Illinois U.S.A.
  • 3128506435 | +1 312-850-6435 Illinois U.S.A.
  • 3128506436 | +1 312-850-6436 Illinois U.S.A.
  • 3128506437 | +1 312-850-6437 Illinois U.S.A.
  • 3128506438 | +1 312-850-6438 Illinois U.S.A.
  • 3128506439 | +1 312-850-6439 Illinois U.S.A.
  • 3128506440 | +1 312-850-6440 Illinois U.S.A.
  • 3128506441 | +1 312-850-6441 Illinois U.S.A.
  • 3128506442 | +1 312-850-6442 Illinois U.S.A.
  • 3128506443 | +1 312-850-6443 Illinois U.S.A.
  • 3128506444 | +1 312-850-6444 Illinois U.S.A.
  • 3128506445 | +1 312-850-6445 Illinois U.S.A.
  • 3128506446 | +1 312-850-6446 Illinois U.S.A.
  • 3128506447 | +1 312-850-6447 Illinois U.S.A.
  • 3128506448 | +1 312-850-6448 Illinois U.S.A.
  • 3128506449 | +1 312-850-6449 Illinois U.S.A.
  • 3128506450 | +1 312-850-6450 Illinois U.S.A.
  • 3128506451 | +1 312-850-6451 Illinois U.S.A.
  • 3128506452 | +1 312-850-6452 Illinois U.S.A.
  • 3128506453 | +1 312-850-6453 Illinois U.S.A.
  • 3128506454 | +1 312-850-6454 Illinois U.S.A.
  • 3128506455 | +1 312-850-6455 Illinois U.S.A.
  • 3128506456 | +1 312-850-6456 Illinois U.S.A.
  • 3128506457 | +1 312-850-6457 Illinois U.S.A.
  • 3128506458 | +1 312-850-6458 Illinois U.S.A.
  • 3128506459 | +1 312-850-6459 Illinois U.S.A.
  • 3128506460 | +1 312-850-6460 Illinois U.S.A.
  • 3128506461 | +1 312-850-6461 Illinois U.S.A.
  • 3128506462 | +1 312-850-6462 Illinois U.S.A.
  • 3128506463 | +1 312-850-6463 Illinois U.S.A.
  • 3128506464 | +1 312-850-6464 Illinois U.S.A.
  • 3128506465 | +1 312-850-6465 Illinois U.S.A.
  • 3128506466 | +1 312-850-6466 Illinois U.S.A.
  • 3128506467 | +1 312-850-6467 Illinois U.S.A.
  • 3128506468 | +1 312-850-6468 Illinois U.S.A.
  • 3128506469 | +1 312-850-6469 Illinois U.S.A.
  • 3128506470 | +1 312-850-6470 Illinois U.S.A.
  • 3128506471 | +1 312-850-6471 Illinois U.S.A.
  • 3128506472 | +1 312-850-6472 Illinois U.S.A.
  • 3128506473 | +1 312-850-6473 Illinois U.S.A.
  • 3128506474 | +1 312-850-6474 Illinois U.S.A.
  • 3128506475 | +1 312-850-6475 Illinois U.S.A.
  • 3128506476 | +1 312-850-6476 Illinois U.S.A.
  • 3128506477 | +1 312-850-6477 Illinois U.S.A.
  • 3128506478 | +1 312-850-6478 Illinois U.S.A.
  • 3128506479 | +1 312-850-6479 Illinois U.S.A.
  • 3128506480 | +1 312-850-6480 Illinois U.S.A.
  • 3128506481 | +1 312-850-6481 Illinois U.S.A.
  • 3128506482 | +1 312-850-6482 Illinois U.S.A.
  • 3128506483 | +1 312-850-6483 Illinois U.S.A.
  • 3128506484 | +1 312-850-6484 Illinois U.S.A.
  • 3128506485 | +1 312-850-6485 Illinois U.S.A.
  • 3128506486 | +1 312-850-6486 Illinois U.S.A.
  • 3128506487 | +1 312-850-6487 Illinois U.S.A.
  • 3128506488 | +1 312-850-6488 Illinois U.S.A.
  • 3128506489 | +1 312-850-6489 Illinois U.S.A.
  • 3128506490 | +1 312-850-6490 Illinois U.S.A.
  • 3128506491 | +1 312-850-6491 Illinois U.S.A.
  • 3128506492 | +1 312-850-6492 Illinois U.S.A.
  • 3128506493 | +1 312-850-6493 Illinois U.S.A.
  • 3128506494 | +1 312-850-6494 Illinois U.S.A.
  • 3128506495 | +1 312-850-6495 Illinois U.S.A.
  • 3128506496 | +1 312-850-6496 Illinois U.S.A.
  • 3128506497 | +1 312-850-6497 Illinois U.S.A.
  • 3128506498 | +1 312-850-6498 Illinois U.S.A.
  • 3128506499 | +1 312-850-6499 Illinois U.S.A.