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).

  • 3129929400 | +1 312-992-9400 Illinois U.S.A.
  • 3129929401 | +1 312-992-9401 Illinois U.S.A.
  • 3129929402 | +1 312-992-9402 Illinois U.S.A.
  • 3129929403 | +1 312-992-9403 Illinois U.S.A.
  • 3129929404 | +1 312-992-9404 Illinois U.S.A.
  • 3129929405 | +1 312-992-9405 Illinois U.S.A.
  • 3129929406 | +1 312-992-9406 Illinois U.S.A.
  • 3129929407 | +1 312-992-9407 Illinois U.S.A.
  • 3129929408 | +1 312-992-9408 Illinois U.S.A.
  • 3129929409 | +1 312-992-9409 Illinois U.S.A.
  • 3129929410 | +1 312-992-9410 Illinois U.S.A.
  • 3129929411 | +1 312-992-9411 Illinois U.S.A.
  • 3129929412 | +1 312-992-9412 Illinois U.S.A.
  • 3129929413 | +1 312-992-9413 Illinois U.S.A.
  • 3129929414 | +1 312-992-9414 Illinois U.S.A.
  • 3129929415 | +1 312-992-9415 Illinois U.S.A.
  • 3129929416 | +1 312-992-9416 Illinois U.S.A.
  • 3129929417 | +1 312-992-9417 Illinois U.S.A.
  • 3129929418 | +1 312-992-9418 Illinois U.S.A.
  • 3129929419 | +1 312-992-9419 Illinois U.S.A.
  • 3129929420 | +1 312-992-9420 Illinois U.S.A.
  • 3129929421 | +1 312-992-9421 Illinois U.S.A.
  • 3129929422 | +1 312-992-9422 Illinois U.S.A.
  • 3129929423 | +1 312-992-9423 Illinois U.S.A.
  • 3129929424 | +1 312-992-9424 Illinois U.S.A.
  • 3129929425 | +1 312-992-9425 Illinois U.S.A.
  • 3129929426 | +1 312-992-9426 Illinois U.S.A.
  • 3129929427 | +1 312-992-9427 Illinois U.S.A.
  • 3129929428 | +1 312-992-9428 Illinois U.S.A.
  • 3129929429 | +1 312-992-9429 Illinois U.S.A.
  • 3129929430 | +1 312-992-9430 Illinois U.S.A.
  • 3129929431 | +1 312-992-9431 Illinois U.S.A.
  • 3129929432 | +1 312-992-9432 Illinois U.S.A.
  • 3129929433 | +1 312-992-9433 Illinois U.S.A.
  • 3129929434 | +1 312-992-9434 Illinois U.S.A.
  • 3129929435 | +1 312-992-9435 Illinois U.S.A.
  • 3129929436 | +1 312-992-9436 Illinois U.S.A.
  • 3129929437 | +1 312-992-9437 Illinois U.S.A.
  • 3129929438 | +1 312-992-9438 Illinois U.S.A.
  • 3129929439 | +1 312-992-9439 Illinois U.S.A.
  • 3129929440 | +1 312-992-9440 Illinois U.S.A.
  • 3129929441 | +1 312-992-9441 Illinois U.S.A.
  • 3129929442 | +1 312-992-9442 Illinois U.S.A.
  • 3129929443 | +1 312-992-9443 Illinois U.S.A.
  • 3129929444 | +1 312-992-9444 Illinois U.S.A.
  • 3129929445 | +1 312-992-9445 Illinois U.S.A.
  • 3129929446 | +1 312-992-9446 Illinois U.S.A.
  • 3129929447 | +1 312-992-9447 Illinois U.S.A.
  • 3129929448 | +1 312-992-9448 Illinois U.S.A.
  • 3129929449 | +1 312-992-9449 Illinois U.S.A.
  • 3129929450 | +1 312-992-9450 Illinois U.S.A.
  • 3129929451 | +1 312-992-9451 Illinois U.S.A.
  • 3129929452 | +1 312-992-9452 Illinois U.S.A.
  • 3129929453 | +1 312-992-9453 Illinois U.S.A.
  • 3129929454 | +1 312-992-9454 Illinois U.S.A.
  • 3129929455 | +1 312-992-9455 Illinois U.S.A.
  • 3129929456 | +1 312-992-9456 Illinois U.S.A.
  • 3129929457 | +1 312-992-9457 Illinois U.S.A.
  • 3129929458 | +1 312-992-9458 Illinois U.S.A.
  • 3129929459 | +1 312-992-9459 Illinois U.S.A.
  • 3129929460 | +1 312-992-9460 Illinois U.S.A.
  • 3129929461 | +1 312-992-9461 Illinois U.S.A.
  • 3129929462 | +1 312-992-9462 Illinois U.S.A.
  • 3129929463 | +1 312-992-9463 Illinois U.S.A.
  • 3129929464 | +1 312-992-9464 Illinois U.S.A.
  • 3129929465 | +1 312-992-9465 Illinois U.S.A.
  • 3129929466 | +1 312-992-9466 Illinois U.S.A.
  • 3129929467 | +1 312-992-9467 Illinois U.S.A.
  • 3129929468 | +1 312-992-9468 Illinois U.S.A.
  • 3129929469 | +1 312-992-9469 Illinois U.S.A.
  • 3129929470 | +1 312-992-9470 Illinois U.S.A.
  • 3129929471 | +1 312-992-9471 Illinois U.S.A.
  • 3129929472 | +1 312-992-9472 Illinois U.S.A.
  • 3129929473 | +1 312-992-9473 Illinois U.S.A.
  • 3129929474 | +1 312-992-9474 Illinois U.S.A.
  • 3129929475 | +1 312-992-9475 Illinois U.S.A.
  • 3129929476 | +1 312-992-9476 Illinois U.S.A.
  • 3129929477 | +1 312-992-9477 Illinois U.S.A.
  • 3129929478 | +1 312-992-9478 Illinois U.S.A.
  • 3129929479 | +1 312-992-9479 Illinois U.S.A.
  • 3129929480 | +1 312-992-9480 Illinois U.S.A.
  • 3129929481 | +1 312-992-9481 Illinois U.S.A.
  • 3129929482 | +1 312-992-9482 Illinois U.S.A.
  • 3129929483 | +1 312-992-9483 Illinois U.S.A.
  • 3129929484 | +1 312-992-9484 Illinois U.S.A.
  • 3129929485 | +1 312-992-9485 Illinois U.S.A.
  • 3129929486 | +1 312-992-9486 Illinois U.S.A.
  • 3129929487 | +1 312-992-9487 Illinois U.S.A.
  • 3129929488 | +1 312-992-9488 Illinois U.S.A.
  • 3129929489 | +1 312-992-9489 Illinois U.S.A.
  • 3129929490 | +1 312-992-9490 Illinois U.S.A.
  • 3129929491 | +1 312-992-9491 Illinois U.S.A.
  • 3129929492 | +1 312-992-9492 Illinois U.S.A.
  • 3129929493 | +1 312-992-9493 Illinois U.S.A.
  • 3129929494 | +1 312-992-9494 Illinois U.S.A.
  • 3129929495 | +1 312-992-9495 Illinois U.S.A.
  • 3129929496 | +1 312-992-9496 Illinois U.S.A.
  • 3129929497 | +1 312-992-9497 Illinois U.S.A.
  • 3129929498 | +1 312-992-9498 Illinois U.S.A.
  • 3129929499 | +1 312-992-9499 Illinois U.S.A.