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).

  • 3129429400 | +1 312-942-9400 Illinois U.S.A.
  • 3129429401 | +1 312-942-9401 Illinois U.S.A.
  • 3129429402 | +1 312-942-9402 Illinois U.S.A.
  • 3129429403 | +1 312-942-9403 Illinois U.S.A.
  • 3129429404 | +1 312-942-9404 Illinois U.S.A.
  • 3129429405 | +1 312-942-9405 Illinois U.S.A.
  • 3129429406 | +1 312-942-9406 Illinois U.S.A.
  • 3129429407 | +1 312-942-9407 Illinois U.S.A.
  • 3129429408 | +1 312-942-9408 Illinois U.S.A.
  • 3129429409 | +1 312-942-9409 Illinois U.S.A.
  • 3129429410 | +1 312-942-9410 Illinois U.S.A.
  • 3129429411 | +1 312-942-9411 Illinois U.S.A.
  • 3129429412 | +1 312-942-9412 Illinois U.S.A.
  • 3129429413 | +1 312-942-9413 Illinois U.S.A.
  • 3129429414 | +1 312-942-9414 Illinois U.S.A.
  • 3129429415 | +1 312-942-9415 Illinois U.S.A.
  • 3129429416 | +1 312-942-9416 Illinois U.S.A.
  • 3129429417 | +1 312-942-9417 Illinois U.S.A.
  • 3129429418 | +1 312-942-9418 Illinois U.S.A.
  • 3129429419 | +1 312-942-9419 Illinois U.S.A.
  • 3129429420 | +1 312-942-9420 Illinois U.S.A.
  • 3129429421 | +1 312-942-9421 Illinois U.S.A.
  • 3129429422 | +1 312-942-9422 Illinois U.S.A.
  • 3129429423 | +1 312-942-9423 Illinois U.S.A.
  • 3129429424 | +1 312-942-9424 Illinois U.S.A.
  • 3129429425 | +1 312-942-9425 Illinois U.S.A.
  • 3129429426 | +1 312-942-9426 Illinois U.S.A.
  • 3129429427 | +1 312-942-9427 Illinois U.S.A.
  • 3129429428 | +1 312-942-9428 Illinois U.S.A.
  • 3129429429 | +1 312-942-9429 Illinois U.S.A.
  • 3129429430 | +1 312-942-9430 Illinois U.S.A.
  • 3129429431 | +1 312-942-9431 Illinois U.S.A.
  • 3129429432 | +1 312-942-9432 Illinois U.S.A.
  • 3129429433 | +1 312-942-9433 Illinois U.S.A.
  • 3129429434 | +1 312-942-9434 Illinois U.S.A.
  • 3129429435 | +1 312-942-9435 Illinois U.S.A.
  • 3129429436 | +1 312-942-9436 Illinois U.S.A.
  • 3129429437 | +1 312-942-9437 Illinois U.S.A.
  • 3129429438 | +1 312-942-9438 Illinois U.S.A.
  • 3129429439 | +1 312-942-9439 Illinois U.S.A.
  • 3129429440 | +1 312-942-9440 Illinois U.S.A.
  • 3129429441 | +1 312-942-9441 Illinois U.S.A.
  • 3129429442 | +1 312-942-9442 Illinois U.S.A.
  • 3129429443 | +1 312-942-9443 Illinois U.S.A.
  • 3129429444 | +1 312-942-9444 Illinois U.S.A.
  • 3129429445 | +1 312-942-9445 Illinois U.S.A.
  • 3129429446 | +1 312-942-9446 Illinois U.S.A.
  • 3129429447 | +1 312-942-9447 Illinois U.S.A.
  • 3129429448 | +1 312-942-9448 Illinois U.S.A.
  • 3129429449 | +1 312-942-9449 Illinois U.S.A.
  • 3129429450 | +1 312-942-9450 Illinois U.S.A.
  • 3129429451 | +1 312-942-9451 Illinois U.S.A.
  • 3129429452 | +1 312-942-9452 Illinois U.S.A.
  • 3129429453 | +1 312-942-9453 Illinois U.S.A.
  • 3129429454 | +1 312-942-9454 Illinois U.S.A.
  • 3129429455 | +1 312-942-9455 Illinois U.S.A.
  • 3129429456 | +1 312-942-9456 Illinois U.S.A.
  • 3129429457 | +1 312-942-9457 Illinois U.S.A.
  • 3129429458 | +1 312-942-9458 Illinois U.S.A.
  • 3129429459 | +1 312-942-9459 Illinois U.S.A.
  • 3129429460 | +1 312-942-9460 Illinois U.S.A.
  • 3129429461 | +1 312-942-9461 Illinois U.S.A.
  • 3129429462 | +1 312-942-9462 Illinois U.S.A.
  • 3129429463 | +1 312-942-9463 Illinois U.S.A.
  • 3129429464 | +1 312-942-9464 Illinois U.S.A.
  • 3129429465 | +1 312-942-9465 Illinois U.S.A.
  • 3129429466 | +1 312-942-9466 Illinois U.S.A.
  • 3129429467 | +1 312-942-9467 Illinois U.S.A.
  • 3129429468 | +1 312-942-9468 Illinois U.S.A.
  • 3129429469 | +1 312-942-9469 Illinois U.S.A.
  • 3129429470 | +1 312-942-9470 Illinois U.S.A.
  • 3129429471 | +1 312-942-9471 Illinois U.S.A.
  • 3129429472 | +1 312-942-9472 Illinois U.S.A.
  • 3129429473 | +1 312-942-9473 Illinois U.S.A.
  • 3129429474 | +1 312-942-9474 Illinois U.S.A.
  • 3129429475 | +1 312-942-9475 Illinois U.S.A.
  • 3129429476 | +1 312-942-9476 Illinois U.S.A.
  • 3129429477 | +1 312-942-9477 Illinois U.S.A.
  • 3129429478 | +1 312-942-9478 Illinois U.S.A.
  • 3129429479 | +1 312-942-9479 Illinois U.S.A.
  • 3129429480 | +1 312-942-9480 Illinois U.S.A.
  • 3129429481 | +1 312-942-9481 Illinois U.S.A.
  • 3129429482 | +1 312-942-9482 Illinois U.S.A.
  • 3129429483 | +1 312-942-9483 Illinois U.S.A.
  • 3129429484 | +1 312-942-9484 Illinois U.S.A.
  • 3129429485 | +1 312-942-9485 Illinois U.S.A.
  • 3129429486 | +1 312-942-9486 Illinois U.S.A.
  • 3129429487 | +1 312-942-9487 Illinois U.S.A.
  • 3129429488 | +1 312-942-9488 Illinois U.S.A.
  • 3129429489 | +1 312-942-9489 Illinois U.S.A.
  • 3129429490 | +1 312-942-9490 Illinois U.S.A.
  • 3129429491 | +1 312-942-9491 Illinois U.S.A.
  • 3129429492 | +1 312-942-9492 Illinois U.S.A.
  • 3129429493 | +1 312-942-9493 Illinois U.S.A.
  • 3129429494 | +1 312-942-9494 Illinois U.S.A.
  • 3129429495 | +1 312-942-9495 Illinois U.S.A.
  • 3129429496 | +1 312-942-9496 Illinois U.S.A.
  • 3129429497 | +1 312-942-9497 Illinois U.S.A.
  • 3129429498 | +1 312-942-9498 Illinois U.S.A.
  • 3129429499 | +1 312-942-9499 Illinois U.S.A.