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).

  • 3122989400 | +1 312-298-9400 Illinois U.S.A.
  • 3122989401 | +1 312-298-9401 Illinois U.S.A.
  • 3122989402 | +1 312-298-9402 Illinois U.S.A.
  • 3122989403 | +1 312-298-9403 Illinois U.S.A.
  • 3122989404 | +1 312-298-9404 Illinois U.S.A.
  • 3122989405 | +1 312-298-9405 Illinois U.S.A.
  • 3122989406 | +1 312-298-9406 Illinois U.S.A.
  • 3122989407 | +1 312-298-9407 Illinois U.S.A.
  • 3122989408 | +1 312-298-9408 Illinois U.S.A.
  • 3122989409 | +1 312-298-9409 Illinois U.S.A.
  • 3122989410 | +1 312-298-9410 Illinois U.S.A.
  • 3122989411 | +1 312-298-9411 Illinois U.S.A.
  • 3122989412 | +1 312-298-9412 Illinois U.S.A.
  • 3122989413 | +1 312-298-9413 Illinois U.S.A.
  • 3122989414 | +1 312-298-9414 Illinois U.S.A.
  • 3122989415 | +1 312-298-9415 Illinois U.S.A.
  • 3122989416 | +1 312-298-9416 Illinois U.S.A.
  • 3122989417 | +1 312-298-9417 Illinois U.S.A.
  • 3122989418 | +1 312-298-9418 Illinois U.S.A.
  • 3122989419 | +1 312-298-9419 Illinois U.S.A.
  • 3122989420 | +1 312-298-9420 Illinois U.S.A.
  • 3122989421 | +1 312-298-9421 Illinois U.S.A.
  • 3122989422 | +1 312-298-9422 Illinois U.S.A.
  • 3122989423 | +1 312-298-9423 Illinois U.S.A.
  • 3122989424 | +1 312-298-9424 Illinois U.S.A.
  • 3122989425 | +1 312-298-9425 Illinois U.S.A.
  • 3122989426 | +1 312-298-9426 Illinois U.S.A.
  • 3122989427 | +1 312-298-9427 Illinois U.S.A.
  • 3122989428 | +1 312-298-9428 Illinois U.S.A.
  • 3122989429 | +1 312-298-9429 Illinois U.S.A.
  • 3122989430 | +1 312-298-9430 Illinois U.S.A.
  • 3122989431 | +1 312-298-9431 Illinois U.S.A.
  • 3122989432 | +1 312-298-9432 Illinois U.S.A.
  • 3122989433 | +1 312-298-9433 Illinois U.S.A.
  • 3122989434 | +1 312-298-9434 Illinois U.S.A.
  • 3122989435 | +1 312-298-9435 Illinois U.S.A.
  • 3122989436 | +1 312-298-9436 Illinois U.S.A.
  • 3122989437 | +1 312-298-9437 Illinois U.S.A.
  • 3122989438 | +1 312-298-9438 Illinois U.S.A.
  • 3122989439 | +1 312-298-9439 Illinois U.S.A.
  • 3122989440 | +1 312-298-9440 Illinois U.S.A.
  • 3122989441 | +1 312-298-9441 Illinois U.S.A.
  • 3122989442 | +1 312-298-9442 Illinois U.S.A.
  • 3122989443 | +1 312-298-9443 Illinois U.S.A.
  • 3122989444 | +1 312-298-9444 Illinois U.S.A.
  • 3122989445 | +1 312-298-9445 Illinois U.S.A.
  • 3122989446 | +1 312-298-9446 Illinois U.S.A.
  • 3122989447 | +1 312-298-9447 Illinois U.S.A.
  • 3122989448 | +1 312-298-9448 Illinois U.S.A.
  • 3122989449 | +1 312-298-9449 Illinois U.S.A.
  • 3122989450 | +1 312-298-9450 Illinois U.S.A.
  • 3122989451 | +1 312-298-9451 Illinois U.S.A.
  • 3122989452 | +1 312-298-9452 Illinois U.S.A.
  • 3122989453 | +1 312-298-9453 Illinois U.S.A.
  • 3122989454 | +1 312-298-9454 Illinois U.S.A.
  • 3122989455 | +1 312-298-9455 Illinois U.S.A.
  • 3122989456 | +1 312-298-9456 Illinois U.S.A.
  • 3122989457 | +1 312-298-9457 Illinois U.S.A.
  • 3122989458 | +1 312-298-9458 Illinois U.S.A.
  • 3122989459 | +1 312-298-9459 Illinois U.S.A.
  • 3122989460 | +1 312-298-9460 Illinois U.S.A.
  • 3122989461 | +1 312-298-9461 Illinois U.S.A.
  • 3122989462 | +1 312-298-9462 Illinois U.S.A.
  • 3122989463 | +1 312-298-9463 Illinois U.S.A.
  • 3122989464 | +1 312-298-9464 Illinois U.S.A.
  • 3122989465 | +1 312-298-9465 Illinois U.S.A.
  • 3122989466 | +1 312-298-9466 Illinois U.S.A.
  • 3122989467 | +1 312-298-9467 Illinois U.S.A.
  • 3122989468 | +1 312-298-9468 Illinois U.S.A.
  • 3122989469 | +1 312-298-9469 Illinois U.S.A.
  • 3122989470 | +1 312-298-9470 Illinois U.S.A.
  • 3122989471 | +1 312-298-9471 Illinois U.S.A.
  • 3122989472 | +1 312-298-9472 Illinois U.S.A.
  • 3122989473 | +1 312-298-9473 Illinois U.S.A.
  • 3122989474 | +1 312-298-9474 Illinois U.S.A.
  • 3122989475 | +1 312-298-9475 Illinois U.S.A.
  • 3122989476 | +1 312-298-9476 Illinois U.S.A.
  • 3122989477 | +1 312-298-9477 Illinois U.S.A.
  • 3122989478 | +1 312-298-9478 Illinois U.S.A.
  • 3122989479 | +1 312-298-9479 Illinois U.S.A.
  • 3122989480 | +1 312-298-9480 Illinois U.S.A.
  • 3122989481 | +1 312-298-9481 Illinois U.S.A.
  • 3122989482 | +1 312-298-9482 Illinois U.S.A.
  • 3122989483 | +1 312-298-9483 Illinois U.S.A.
  • 3122989484 | +1 312-298-9484 Illinois U.S.A.
  • 3122989485 | +1 312-298-9485 Illinois U.S.A.
  • 3122989486 | +1 312-298-9486 Illinois U.S.A.
  • 3122989487 | +1 312-298-9487 Illinois U.S.A.
  • 3122989488 | +1 312-298-9488 Illinois U.S.A.
  • 3122989489 | +1 312-298-9489 Illinois U.S.A.
  • 3122989490 | +1 312-298-9490 Illinois U.S.A.
  • 3122989491 | +1 312-298-9491 Illinois U.S.A.
  • 3122989492 | +1 312-298-9492 Illinois U.S.A.
  • 3122989493 | +1 312-298-9493 Illinois U.S.A.
  • 3122989494 | +1 312-298-9494 Illinois U.S.A.
  • 3122989495 | +1 312-298-9495 Illinois U.S.A.
  • 3122989496 | +1 312-298-9496 Illinois U.S.A.
  • 3122989497 | +1 312-298-9497 Illinois U.S.A.
  • 3122989498 | +1 312-298-9498 Illinois U.S.A.
  • 3122989499 | +1 312-298-9499 Illinois U.S.A.