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).

  • 3128920400 | +1 312-892-0400 Illinois U.S.A.
  • 3128920401 | +1 312-892-0401 Illinois U.S.A.
  • 3128920402 | +1 312-892-0402 Illinois U.S.A.
  • 3128920403 | +1 312-892-0403 Illinois U.S.A.
  • 3128920404 | +1 312-892-0404 Illinois U.S.A.
  • 3128920405 | +1 312-892-0405 Illinois U.S.A.
  • 3128920406 | +1 312-892-0406 Illinois U.S.A.
  • 3128920407 | +1 312-892-0407 Illinois U.S.A.
  • 3128920408 | +1 312-892-0408 Illinois U.S.A.
  • 3128920409 | +1 312-892-0409 Illinois U.S.A.
  • 3128920410 | +1 312-892-0410 Illinois U.S.A.
  • 3128920411 | +1 312-892-0411 Illinois U.S.A.
  • 3128920412 | +1 312-892-0412 Illinois U.S.A.
  • 3128920413 | +1 312-892-0413 Illinois U.S.A.
  • 3128920414 | +1 312-892-0414 Illinois U.S.A.
  • 3128920415 | +1 312-892-0415 Illinois U.S.A.
  • 3128920416 | +1 312-892-0416 Illinois U.S.A.
  • 3128920417 | +1 312-892-0417 Illinois U.S.A.
  • 3128920418 | +1 312-892-0418 Illinois U.S.A.
  • 3128920419 | +1 312-892-0419 Illinois U.S.A.
  • 3128920420 | +1 312-892-0420 Illinois U.S.A.
  • 3128920421 | +1 312-892-0421 Illinois U.S.A.
  • 3128920422 | +1 312-892-0422 Illinois U.S.A.
  • 3128920423 | +1 312-892-0423 Illinois U.S.A.
  • 3128920424 | +1 312-892-0424 Illinois U.S.A.
  • 3128920425 | +1 312-892-0425 Illinois U.S.A.
  • 3128920426 | +1 312-892-0426 Illinois U.S.A.
  • 3128920427 | +1 312-892-0427 Illinois U.S.A.
  • 3128920428 | +1 312-892-0428 Illinois U.S.A.
  • 3128920429 | +1 312-892-0429 Illinois U.S.A.
  • 3128920430 | +1 312-892-0430 Illinois U.S.A.
  • 3128920431 | +1 312-892-0431 Illinois U.S.A.
  • 3128920432 | +1 312-892-0432 Illinois U.S.A.
  • 3128920433 | +1 312-892-0433 Illinois U.S.A.
  • 3128920434 | +1 312-892-0434 Illinois U.S.A.
  • 3128920435 | +1 312-892-0435 Illinois U.S.A.
  • 3128920436 | +1 312-892-0436 Illinois U.S.A.
  • 3128920437 | +1 312-892-0437 Illinois U.S.A.
  • 3128920438 | +1 312-892-0438 Illinois U.S.A.
  • 3128920439 | +1 312-892-0439 Illinois U.S.A.
  • 3128920440 | +1 312-892-0440 Illinois U.S.A.
  • 3128920441 | +1 312-892-0441 Illinois U.S.A.
  • 3128920442 | +1 312-892-0442 Illinois U.S.A.
  • 3128920443 | +1 312-892-0443 Illinois U.S.A.
  • 3128920444 | +1 312-892-0444 Illinois U.S.A.
  • 3128920445 | +1 312-892-0445 Illinois U.S.A.
  • 3128920446 | +1 312-892-0446 Illinois U.S.A.
  • 3128920447 | +1 312-892-0447 Illinois U.S.A.
  • 3128920448 | +1 312-892-0448 Illinois U.S.A.
  • 3128920449 | +1 312-892-0449 Illinois U.S.A.
  • 3128920450 | +1 312-892-0450 Illinois U.S.A.
  • 3128920451 | +1 312-892-0451 Illinois U.S.A.
  • 3128920452 | +1 312-892-0452 Illinois U.S.A.
  • 3128920453 | +1 312-892-0453 Illinois U.S.A.
  • 3128920454 | +1 312-892-0454 Illinois U.S.A.
  • 3128920455 | +1 312-892-0455 Illinois U.S.A.
  • 3128920456 | +1 312-892-0456 Illinois U.S.A.
  • 3128920457 | +1 312-892-0457 Illinois U.S.A.
  • 3128920458 | +1 312-892-0458 Illinois U.S.A.
  • 3128920459 | +1 312-892-0459 Illinois U.S.A.
  • 3128920460 | +1 312-892-0460 Illinois U.S.A.
  • 3128920461 | +1 312-892-0461 Illinois U.S.A.
  • 3128920462 | +1 312-892-0462 Illinois U.S.A.
  • 3128920463 | +1 312-892-0463 Illinois U.S.A.
  • 3128920464 | +1 312-892-0464 Illinois U.S.A.
  • 3128920465 | +1 312-892-0465 Illinois U.S.A.
  • 3128920466 | +1 312-892-0466 Illinois U.S.A.
  • 3128920467 | +1 312-892-0467 Illinois U.S.A.
  • 3128920468 | +1 312-892-0468 Illinois U.S.A.
  • 3128920469 | +1 312-892-0469 Illinois U.S.A.
  • 3128920470 | +1 312-892-0470 Illinois U.S.A.
  • 3128920471 | +1 312-892-0471 Illinois U.S.A.
  • 3128920472 | +1 312-892-0472 Illinois U.S.A.
  • 3128920473 | +1 312-892-0473 Illinois U.S.A.
  • 3128920474 | +1 312-892-0474 Illinois U.S.A.
  • 3128920475 | +1 312-892-0475 Illinois U.S.A.
  • 3128920476 | +1 312-892-0476 Illinois U.S.A.
  • 3128920477 | +1 312-892-0477 Illinois U.S.A.
  • 3128920478 | +1 312-892-0478 Illinois U.S.A.
  • 3128920479 | +1 312-892-0479 Illinois U.S.A.
  • 3128920480 | +1 312-892-0480 Illinois U.S.A.
  • 3128920481 | +1 312-892-0481 Illinois U.S.A.
  • 3128920482 | +1 312-892-0482 Illinois U.S.A.
  • 3128920483 | +1 312-892-0483 Illinois U.S.A.
  • 3128920484 | +1 312-892-0484 Illinois U.S.A.
  • 3128920485 | +1 312-892-0485 Illinois U.S.A.
  • 3128920486 | +1 312-892-0486 Illinois U.S.A.
  • 3128920487 | +1 312-892-0487 Illinois U.S.A.
  • 3128920488 | +1 312-892-0488 Illinois U.S.A.
  • 3128920489 | +1 312-892-0489 Illinois U.S.A.
  • 3128920490 | +1 312-892-0490 Illinois U.S.A.
  • 3128920491 | +1 312-892-0491 Illinois U.S.A.
  • 3128920492 | +1 312-892-0492 Illinois U.S.A.
  • 3128920493 | +1 312-892-0493 Illinois U.S.A.
  • 3128920494 | +1 312-892-0494 Illinois U.S.A.
  • 3128920495 | +1 312-892-0495 Illinois U.S.A.
  • 3128920496 | +1 312-892-0496 Illinois U.S.A.
  • 3128920497 | +1 312-892-0497 Illinois U.S.A.
  • 3128920498 | +1 312-892-0498 Illinois U.S.A.
  • 3128920499 | +1 312-892-0499 Illinois U.S.A.