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).

  • 3129920400 | +1 312-992-0400 Illinois U.S.A.
  • 3129920401 | +1 312-992-0401 Illinois U.S.A.
  • 3129920402 | +1 312-992-0402 Illinois U.S.A.
  • 3129920403 | +1 312-992-0403 Illinois U.S.A.
  • 3129920404 | +1 312-992-0404 Illinois U.S.A.
  • 3129920405 | +1 312-992-0405 Illinois U.S.A.
  • 3129920406 | +1 312-992-0406 Illinois U.S.A.
  • 3129920407 | +1 312-992-0407 Illinois U.S.A.
  • 3129920408 | +1 312-992-0408 Illinois U.S.A.
  • 3129920409 | +1 312-992-0409 Illinois U.S.A.
  • 3129920410 | +1 312-992-0410 Illinois U.S.A.
  • 3129920411 | +1 312-992-0411 Illinois U.S.A.
  • 3129920412 | +1 312-992-0412 Illinois U.S.A.
  • 3129920413 | +1 312-992-0413 Illinois U.S.A.
  • 3129920414 | +1 312-992-0414 Illinois U.S.A.
  • 3129920415 | +1 312-992-0415 Illinois U.S.A.
  • 3129920416 | +1 312-992-0416 Illinois U.S.A.
  • 3129920417 | +1 312-992-0417 Illinois U.S.A.
  • 3129920418 | +1 312-992-0418 Illinois U.S.A.
  • 3129920419 | +1 312-992-0419 Illinois U.S.A.
  • 3129920420 | +1 312-992-0420 Illinois U.S.A.
  • 3129920421 | +1 312-992-0421 Illinois U.S.A.
  • 3129920422 | +1 312-992-0422 Illinois U.S.A.
  • 3129920423 | +1 312-992-0423 Illinois U.S.A.
  • 3129920424 | +1 312-992-0424 Illinois U.S.A.
  • 3129920425 | +1 312-992-0425 Illinois U.S.A.
  • 3129920426 | +1 312-992-0426 Illinois U.S.A.
  • 3129920427 | +1 312-992-0427 Illinois U.S.A.
  • 3129920428 | +1 312-992-0428 Illinois U.S.A.
  • 3129920429 | +1 312-992-0429 Illinois U.S.A.
  • 3129920430 | +1 312-992-0430 Illinois U.S.A.
  • 3129920431 | +1 312-992-0431 Illinois U.S.A.
  • 3129920432 | +1 312-992-0432 Illinois U.S.A.
  • 3129920433 | +1 312-992-0433 Illinois U.S.A.
  • 3129920434 | +1 312-992-0434 Illinois U.S.A.
  • 3129920435 | +1 312-992-0435 Illinois U.S.A.
  • 3129920436 | +1 312-992-0436 Illinois U.S.A.
  • 3129920437 | +1 312-992-0437 Illinois U.S.A.
  • 3129920438 | +1 312-992-0438 Illinois U.S.A.
  • 3129920439 | +1 312-992-0439 Illinois U.S.A.
  • 3129920440 | +1 312-992-0440 Illinois U.S.A.
  • 3129920441 | +1 312-992-0441 Illinois U.S.A.
  • 3129920442 | +1 312-992-0442 Illinois U.S.A.
  • 3129920443 | +1 312-992-0443 Illinois U.S.A.
  • 3129920444 | +1 312-992-0444 Illinois U.S.A.
  • 3129920445 | +1 312-992-0445 Illinois U.S.A.
  • 3129920446 | +1 312-992-0446 Illinois U.S.A.
  • 3129920447 | +1 312-992-0447 Illinois U.S.A.
  • 3129920448 | +1 312-992-0448 Illinois U.S.A.
  • 3129920449 | +1 312-992-0449 Illinois U.S.A.
  • 3129920450 | +1 312-992-0450 Illinois U.S.A.
  • 3129920451 | +1 312-992-0451 Illinois U.S.A.
  • 3129920452 | +1 312-992-0452 Illinois U.S.A.
  • 3129920453 | +1 312-992-0453 Illinois U.S.A.
  • 3129920454 | +1 312-992-0454 Illinois U.S.A.
  • 3129920455 | +1 312-992-0455 Illinois U.S.A.
  • 3129920456 | +1 312-992-0456 Illinois U.S.A.
  • 3129920457 | +1 312-992-0457 Illinois U.S.A.
  • 3129920458 | +1 312-992-0458 Illinois U.S.A.
  • 3129920459 | +1 312-992-0459 Illinois U.S.A.
  • 3129920460 | +1 312-992-0460 Illinois U.S.A.
  • 3129920461 | +1 312-992-0461 Illinois U.S.A.
  • 3129920462 | +1 312-992-0462 Illinois U.S.A.
  • 3129920463 | +1 312-992-0463 Illinois U.S.A.
  • 3129920464 | +1 312-992-0464 Illinois U.S.A.
  • 3129920465 | +1 312-992-0465 Illinois U.S.A.
  • 3129920466 | +1 312-992-0466 Illinois U.S.A.
  • 3129920467 | +1 312-992-0467 Illinois U.S.A.
  • 3129920468 | +1 312-992-0468 Illinois U.S.A.
  • 3129920469 | +1 312-992-0469 Illinois U.S.A.
  • 3129920470 | +1 312-992-0470 Illinois U.S.A.
  • 3129920471 | +1 312-992-0471 Illinois U.S.A.
  • 3129920472 | +1 312-992-0472 Illinois U.S.A.
  • 3129920473 | +1 312-992-0473 Illinois U.S.A.
  • 3129920474 | +1 312-992-0474 Illinois U.S.A.
  • 3129920475 | +1 312-992-0475 Illinois U.S.A.
  • 3129920476 | +1 312-992-0476 Illinois U.S.A.
  • 3129920477 | +1 312-992-0477 Illinois U.S.A.
  • 3129920478 | +1 312-992-0478 Illinois U.S.A.
  • 3129920479 | +1 312-992-0479 Illinois U.S.A.
  • 3129920480 | +1 312-992-0480 Illinois U.S.A.
  • 3129920481 | +1 312-992-0481 Illinois U.S.A.
  • 3129920482 | +1 312-992-0482 Illinois U.S.A.
  • 3129920483 | +1 312-992-0483 Illinois U.S.A.
  • 3129920484 | +1 312-992-0484 Illinois U.S.A.
  • 3129920485 | +1 312-992-0485 Illinois U.S.A.
  • 3129920486 | +1 312-992-0486 Illinois U.S.A.
  • 3129920487 | +1 312-992-0487 Illinois U.S.A.
  • 3129920488 | +1 312-992-0488 Illinois U.S.A.
  • 3129920489 | +1 312-992-0489 Illinois U.S.A.
  • 3129920490 | +1 312-992-0490 Illinois U.S.A.
  • 3129920491 | +1 312-992-0491 Illinois U.S.A.
  • 3129920492 | +1 312-992-0492 Illinois U.S.A.
  • 3129920493 | +1 312-992-0493 Illinois U.S.A.
  • 3129920494 | +1 312-992-0494 Illinois U.S.A.
  • 3129920495 | +1 312-992-0495 Illinois U.S.A.
  • 3129920496 | +1 312-992-0496 Illinois U.S.A.
  • 3129920497 | +1 312-992-0497 Illinois U.S.A.
  • 3129920498 | +1 312-992-0498 Illinois U.S.A.
  • 3129920499 | +1 312-992-0499 Illinois U.S.A.