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).

  • 3123219400 | +1 312-321-9400 Illinois U.S.A.
  • 3123219401 | +1 312-321-9401 Illinois U.S.A.
  • 3123219402 | +1 312-321-9402 Illinois U.S.A.
  • 3123219403 | +1 312-321-9403 Illinois U.S.A.
  • 3123219404 | +1 312-321-9404 Illinois U.S.A.
  • 3123219405 | +1 312-321-9405 Illinois U.S.A.
  • 3123219406 | +1 312-321-9406 Illinois U.S.A.
  • 3123219407 | +1 312-321-9407 Illinois U.S.A.
  • 3123219408 | +1 312-321-9408 Illinois U.S.A.
  • 3123219409 | +1 312-321-9409 Illinois U.S.A.
  • 3123219410 | +1 312-321-9410 Illinois U.S.A.
  • 3123219411 | +1 312-321-9411 Illinois U.S.A.
  • 3123219412 | +1 312-321-9412 Illinois U.S.A.
  • 3123219413 | +1 312-321-9413 Illinois U.S.A.
  • 3123219414 | +1 312-321-9414 Illinois U.S.A.
  • 3123219415 | +1 312-321-9415 Illinois U.S.A.
  • 3123219416 | +1 312-321-9416 Illinois U.S.A.
  • 3123219417 | +1 312-321-9417 Illinois U.S.A.
  • 3123219418 | +1 312-321-9418 Illinois U.S.A.
  • 3123219419 | +1 312-321-9419 Illinois U.S.A.
  • 3123219420 | +1 312-321-9420 Illinois U.S.A.
  • 3123219421 | +1 312-321-9421 Illinois U.S.A.
  • 3123219422 | +1 312-321-9422 Illinois U.S.A.
  • 3123219423 | +1 312-321-9423 Illinois U.S.A.
  • 3123219424 | +1 312-321-9424 Illinois U.S.A.
  • 3123219425 | +1 312-321-9425 Illinois U.S.A.
  • 3123219426 | +1 312-321-9426 Illinois U.S.A.
  • 3123219427 | +1 312-321-9427 Illinois U.S.A.
  • 3123219428 | +1 312-321-9428 Illinois U.S.A.
  • 3123219429 | +1 312-321-9429 Illinois U.S.A.
  • 3123219430 | +1 312-321-9430 Illinois U.S.A.
  • 3123219431 | +1 312-321-9431 Illinois U.S.A.
  • 3123219432 | +1 312-321-9432 Illinois U.S.A.
  • 3123219433 | +1 312-321-9433 Illinois U.S.A.
  • 3123219434 | +1 312-321-9434 Illinois U.S.A.
  • 3123219435 | +1 312-321-9435 Illinois U.S.A.
  • 3123219436 | +1 312-321-9436 Illinois U.S.A.
  • 3123219437 | +1 312-321-9437 Illinois U.S.A.
  • 3123219438 | +1 312-321-9438 Illinois U.S.A.
  • 3123219439 | +1 312-321-9439 Illinois U.S.A.
  • 3123219440 | +1 312-321-9440 Illinois U.S.A.
  • 3123219441 | +1 312-321-9441 Illinois U.S.A.
  • 3123219442 | +1 312-321-9442 Illinois U.S.A.
  • 3123219443 | +1 312-321-9443 Illinois U.S.A.
  • 3123219444 | +1 312-321-9444 Illinois U.S.A.
  • 3123219445 | +1 312-321-9445 Illinois U.S.A.
  • 3123219446 | +1 312-321-9446 Illinois U.S.A.
  • 3123219447 | +1 312-321-9447 Illinois U.S.A.
  • 3123219448 | +1 312-321-9448 Illinois U.S.A.
  • 3123219449 | +1 312-321-9449 Illinois U.S.A.
  • 3123219450 | +1 312-321-9450 Illinois U.S.A.
  • 3123219451 | +1 312-321-9451 Illinois U.S.A.
  • 3123219452 | +1 312-321-9452 Illinois U.S.A.
  • 3123219453 | +1 312-321-9453 Illinois U.S.A.
  • 3123219454 | +1 312-321-9454 Illinois U.S.A.
  • 3123219455 | +1 312-321-9455 Illinois U.S.A.
  • 3123219456 | +1 312-321-9456 Illinois U.S.A.
  • 3123219457 | +1 312-321-9457 Illinois U.S.A.
  • 3123219458 | +1 312-321-9458 Illinois U.S.A.
  • 3123219459 | +1 312-321-9459 Illinois U.S.A.
  • 3123219460 | +1 312-321-9460 Illinois U.S.A.
  • 3123219461 | +1 312-321-9461 Illinois U.S.A.
  • 3123219462 | +1 312-321-9462 Illinois U.S.A.
  • 3123219463 | +1 312-321-9463 Illinois U.S.A.
  • 3123219464 | +1 312-321-9464 Illinois U.S.A.
  • 3123219465 | +1 312-321-9465 Illinois U.S.A.
  • 3123219466 | +1 312-321-9466 Illinois U.S.A.
  • 3123219467 | +1 312-321-9467 Illinois U.S.A.
  • 3123219468 | +1 312-321-9468 Illinois U.S.A.
  • 3123219469 | +1 312-321-9469 Illinois U.S.A.
  • 3123219470 | +1 312-321-9470 Illinois U.S.A.
  • 3123219471 | +1 312-321-9471 Illinois U.S.A.
  • 3123219472 | +1 312-321-9472 Illinois U.S.A.
  • 3123219473 | +1 312-321-9473 Illinois U.S.A.
  • 3123219474 | +1 312-321-9474 Illinois U.S.A.
  • 3123219475 | +1 312-321-9475 Illinois U.S.A.
  • 3123219476 | +1 312-321-9476 Illinois U.S.A.
  • 3123219477 | +1 312-321-9477 Illinois U.S.A.
  • 3123219478 | +1 312-321-9478 Illinois U.S.A.
  • 3123219479 | +1 312-321-9479 Illinois U.S.A.
  • 3123219480 | +1 312-321-9480 Illinois U.S.A.
  • 3123219481 | +1 312-321-9481 Illinois U.S.A.
  • 3123219482 | +1 312-321-9482 Illinois U.S.A.
  • 3123219483 | +1 312-321-9483 Illinois U.S.A.
  • 3123219484 | +1 312-321-9484 Illinois U.S.A.
  • 3123219485 | +1 312-321-9485 Illinois U.S.A.
  • 3123219486 | +1 312-321-9486 Illinois U.S.A.
  • 3123219487 | +1 312-321-9487 Illinois U.S.A.
  • 3123219488 | +1 312-321-9488 Illinois U.S.A.
  • 3123219489 | +1 312-321-9489 Illinois U.S.A.
  • 3123219490 | +1 312-321-9490 Illinois U.S.A.
  • 3123219491 | +1 312-321-9491 Illinois U.S.A.
  • 3123219492 | +1 312-321-9492 Illinois U.S.A.
  • 3123219493 | +1 312-321-9493 Illinois U.S.A.
  • 3123219494 | +1 312-321-9494 Illinois U.S.A.
  • 3123219495 | +1 312-321-9495 Illinois U.S.A.
  • 3123219496 | +1 312-321-9496 Illinois U.S.A.
  • 3123219497 | +1 312-321-9497 Illinois U.S.A.
  • 3123219498 | +1 312-321-9498 Illinois U.S.A.
  • 3123219499 | +1 312-321-9499 Illinois U.S.A.