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).

  • 3129219400 | +1 312-921-9400 Illinois U.S.A.
  • 3129219401 | +1 312-921-9401 Illinois U.S.A.
  • 3129219402 | +1 312-921-9402 Illinois U.S.A.
  • 3129219403 | +1 312-921-9403 Illinois U.S.A.
  • 3129219404 | +1 312-921-9404 Illinois U.S.A.
  • 3129219405 | +1 312-921-9405 Illinois U.S.A.
  • 3129219406 | +1 312-921-9406 Illinois U.S.A.
  • 3129219407 | +1 312-921-9407 Illinois U.S.A.
  • 3129219408 | +1 312-921-9408 Illinois U.S.A.
  • 3129219409 | +1 312-921-9409 Illinois U.S.A.
  • 3129219410 | +1 312-921-9410 Illinois U.S.A.
  • 3129219411 | +1 312-921-9411 Illinois U.S.A.
  • 3129219412 | +1 312-921-9412 Illinois U.S.A.
  • 3129219413 | +1 312-921-9413 Illinois U.S.A.
  • 3129219414 | +1 312-921-9414 Illinois U.S.A.
  • 3129219415 | +1 312-921-9415 Illinois U.S.A.
  • 3129219416 | +1 312-921-9416 Illinois U.S.A.
  • 3129219417 | +1 312-921-9417 Illinois U.S.A.
  • 3129219418 | +1 312-921-9418 Illinois U.S.A.
  • 3129219419 | +1 312-921-9419 Illinois U.S.A.
  • 3129219420 | +1 312-921-9420 Illinois U.S.A.
  • 3129219421 | +1 312-921-9421 Illinois U.S.A.
  • 3129219422 | +1 312-921-9422 Illinois U.S.A.
  • 3129219423 | +1 312-921-9423 Illinois U.S.A.
  • 3129219424 | +1 312-921-9424 Illinois U.S.A.
  • 3129219425 | +1 312-921-9425 Illinois U.S.A.
  • 3129219426 | +1 312-921-9426 Illinois U.S.A.
  • 3129219427 | +1 312-921-9427 Illinois U.S.A.
  • 3129219428 | +1 312-921-9428 Illinois U.S.A.
  • 3129219429 | +1 312-921-9429 Illinois U.S.A.
  • 3129219430 | +1 312-921-9430 Illinois U.S.A.
  • 3129219431 | +1 312-921-9431 Illinois U.S.A.
  • 3129219432 | +1 312-921-9432 Illinois U.S.A.
  • 3129219433 | +1 312-921-9433 Illinois U.S.A.
  • 3129219434 | +1 312-921-9434 Illinois U.S.A.
  • 3129219435 | +1 312-921-9435 Illinois U.S.A.
  • 3129219436 | +1 312-921-9436 Illinois U.S.A.
  • 3129219437 | +1 312-921-9437 Illinois U.S.A.
  • 3129219438 | +1 312-921-9438 Illinois U.S.A.
  • 3129219439 | +1 312-921-9439 Illinois U.S.A.
  • 3129219440 | +1 312-921-9440 Illinois U.S.A.
  • 3129219441 | +1 312-921-9441 Illinois U.S.A.
  • 3129219442 | +1 312-921-9442 Illinois U.S.A.
  • 3129219443 | +1 312-921-9443 Illinois U.S.A.
  • 3129219444 | +1 312-921-9444 Illinois U.S.A.
  • 3129219445 | +1 312-921-9445 Illinois U.S.A.
  • 3129219446 | +1 312-921-9446 Illinois U.S.A.
  • 3129219447 | +1 312-921-9447 Illinois U.S.A.
  • 3129219448 | +1 312-921-9448 Illinois U.S.A.
  • 3129219449 | +1 312-921-9449 Illinois U.S.A.
  • 3129219450 | +1 312-921-9450 Illinois U.S.A.
  • 3129219451 | +1 312-921-9451 Illinois U.S.A.
  • 3129219452 | +1 312-921-9452 Illinois U.S.A.
  • 3129219453 | +1 312-921-9453 Illinois U.S.A.
  • 3129219454 | +1 312-921-9454 Illinois U.S.A.
  • 3129219455 | +1 312-921-9455 Illinois U.S.A.
  • 3129219456 | +1 312-921-9456 Illinois U.S.A.
  • 3129219457 | +1 312-921-9457 Illinois U.S.A.
  • 3129219458 | +1 312-921-9458 Illinois U.S.A.
  • 3129219459 | +1 312-921-9459 Illinois U.S.A.
  • 3129219460 | +1 312-921-9460 Illinois U.S.A.
  • 3129219461 | +1 312-921-9461 Illinois U.S.A.
  • 3129219462 | +1 312-921-9462 Illinois U.S.A.
  • 3129219463 | +1 312-921-9463 Illinois U.S.A.
  • 3129219464 | +1 312-921-9464 Illinois U.S.A.
  • 3129219465 | +1 312-921-9465 Illinois U.S.A.
  • 3129219466 | +1 312-921-9466 Illinois U.S.A.
  • 3129219467 | +1 312-921-9467 Illinois U.S.A.
  • 3129219468 | +1 312-921-9468 Illinois U.S.A.
  • 3129219469 | +1 312-921-9469 Illinois U.S.A.
  • 3129219470 | +1 312-921-9470 Illinois U.S.A.
  • 3129219471 | +1 312-921-9471 Illinois U.S.A.
  • 3129219472 | +1 312-921-9472 Illinois U.S.A.
  • 3129219473 | +1 312-921-9473 Illinois U.S.A.
  • 3129219474 | +1 312-921-9474 Illinois U.S.A.
  • 3129219475 | +1 312-921-9475 Illinois U.S.A.
  • 3129219476 | +1 312-921-9476 Illinois U.S.A.
  • 3129219477 | +1 312-921-9477 Illinois U.S.A.
  • 3129219478 | +1 312-921-9478 Illinois U.S.A.
  • 3129219479 | +1 312-921-9479 Illinois U.S.A.
  • 3129219480 | +1 312-921-9480 Illinois U.S.A.
  • 3129219481 | +1 312-921-9481 Illinois U.S.A.
  • 3129219482 | +1 312-921-9482 Illinois U.S.A.
  • 3129219483 | +1 312-921-9483 Illinois U.S.A.
  • 3129219484 | +1 312-921-9484 Illinois U.S.A.
  • 3129219485 | +1 312-921-9485 Illinois U.S.A.
  • 3129219486 | +1 312-921-9486 Illinois U.S.A.
  • 3129219487 | +1 312-921-9487 Illinois U.S.A.
  • 3129219488 | +1 312-921-9488 Illinois U.S.A.
  • 3129219489 | +1 312-921-9489 Illinois U.S.A.
  • 3129219490 | +1 312-921-9490 Illinois U.S.A.
  • 3129219491 | +1 312-921-9491 Illinois U.S.A.
  • 3129219492 | +1 312-921-9492 Illinois U.S.A.
  • 3129219493 | +1 312-921-9493 Illinois U.S.A.
  • 3129219494 | +1 312-921-9494 Illinois U.S.A.
  • 3129219495 | +1 312-921-9495 Illinois U.S.A.
  • 3129219496 | +1 312-921-9496 Illinois U.S.A.
  • 3129219497 | +1 312-921-9497 Illinois U.S.A.
  • 3129219498 | +1 312-921-9498 Illinois U.S.A.
  • 3129219499 | +1 312-921-9499 Illinois U.S.A.