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).

  • 3124920400 | +1 312-492-0400 Illinois U.S.A.
  • 3124920401 | +1 312-492-0401 Illinois U.S.A.
  • 3124920402 | +1 312-492-0402 Illinois U.S.A.
  • 3124920403 | +1 312-492-0403 Illinois U.S.A.
  • 3124920404 | +1 312-492-0404 Illinois U.S.A.
  • 3124920405 | +1 312-492-0405 Illinois U.S.A.
  • 3124920406 | +1 312-492-0406 Illinois U.S.A.
  • 3124920407 | +1 312-492-0407 Illinois U.S.A.
  • 3124920408 | +1 312-492-0408 Illinois U.S.A.
  • 3124920409 | +1 312-492-0409 Illinois U.S.A.
  • 3124920410 | +1 312-492-0410 Illinois U.S.A.
  • 3124920411 | +1 312-492-0411 Illinois U.S.A.
  • 3124920412 | +1 312-492-0412 Illinois U.S.A.
  • 3124920413 | +1 312-492-0413 Illinois U.S.A.
  • 3124920414 | +1 312-492-0414 Illinois U.S.A.
  • 3124920415 | +1 312-492-0415 Illinois U.S.A.
  • 3124920416 | +1 312-492-0416 Illinois U.S.A.
  • 3124920417 | +1 312-492-0417 Illinois U.S.A.
  • 3124920418 | +1 312-492-0418 Illinois U.S.A.
  • 3124920419 | +1 312-492-0419 Illinois U.S.A.
  • 3124920420 | +1 312-492-0420 Illinois U.S.A.
  • 3124920421 | +1 312-492-0421 Illinois U.S.A.
  • 3124920422 | +1 312-492-0422 Illinois U.S.A.
  • 3124920423 | +1 312-492-0423 Illinois U.S.A.
  • 3124920424 | +1 312-492-0424 Illinois U.S.A.
  • 3124920425 | +1 312-492-0425 Illinois U.S.A.
  • 3124920426 | +1 312-492-0426 Illinois U.S.A.
  • 3124920427 | +1 312-492-0427 Illinois U.S.A.
  • 3124920428 | +1 312-492-0428 Illinois U.S.A.
  • 3124920429 | +1 312-492-0429 Illinois U.S.A.
  • 3124920430 | +1 312-492-0430 Illinois U.S.A.
  • 3124920431 | +1 312-492-0431 Illinois U.S.A.
  • 3124920432 | +1 312-492-0432 Illinois U.S.A.
  • 3124920433 | +1 312-492-0433 Illinois U.S.A.
  • 3124920434 | +1 312-492-0434 Illinois U.S.A.
  • 3124920435 | +1 312-492-0435 Illinois U.S.A.
  • 3124920436 | +1 312-492-0436 Illinois U.S.A.
  • 3124920437 | +1 312-492-0437 Illinois U.S.A.
  • 3124920438 | +1 312-492-0438 Illinois U.S.A.
  • 3124920439 | +1 312-492-0439 Illinois U.S.A.
  • 3124920440 | +1 312-492-0440 Illinois U.S.A.
  • 3124920441 | +1 312-492-0441 Illinois U.S.A.
  • 3124920442 | +1 312-492-0442 Illinois U.S.A.
  • 3124920443 | +1 312-492-0443 Illinois U.S.A.
  • 3124920444 | +1 312-492-0444 Illinois U.S.A.
  • 3124920445 | +1 312-492-0445 Illinois U.S.A.
  • 3124920446 | +1 312-492-0446 Illinois U.S.A.
  • 3124920447 | +1 312-492-0447 Illinois U.S.A.
  • 3124920448 | +1 312-492-0448 Illinois U.S.A.
  • 3124920449 | +1 312-492-0449 Illinois U.S.A.
  • 3124920450 | +1 312-492-0450 Illinois U.S.A.
  • 3124920451 | +1 312-492-0451 Illinois U.S.A.
  • 3124920452 | +1 312-492-0452 Illinois U.S.A.
  • 3124920453 | +1 312-492-0453 Illinois U.S.A.
  • 3124920454 | +1 312-492-0454 Illinois U.S.A.
  • 3124920455 | +1 312-492-0455 Illinois U.S.A.
  • 3124920456 | +1 312-492-0456 Illinois U.S.A.
  • 3124920457 | +1 312-492-0457 Illinois U.S.A.
  • 3124920458 | +1 312-492-0458 Illinois U.S.A.
  • 3124920459 | +1 312-492-0459 Illinois U.S.A.
  • 3124920460 | +1 312-492-0460 Illinois U.S.A.
  • 3124920461 | +1 312-492-0461 Illinois U.S.A.
  • 3124920462 | +1 312-492-0462 Illinois U.S.A.
  • 3124920463 | +1 312-492-0463 Illinois U.S.A.
  • 3124920464 | +1 312-492-0464 Illinois U.S.A.
  • 3124920465 | +1 312-492-0465 Illinois U.S.A.
  • 3124920466 | +1 312-492-0466 Illinois U.S.A.
  • 3124920467 | +1 312-492-0467 Illinois U.S.A.
  • 3124920468 | +1 312-492-0468 Illinois U.S.A.
  • 3124920469 | +1 312-492-0469 Illinois U.S.A.
  • 3124920470 | +1 312-492-0470 Illinois U.S.A.
  • 3124920471 | +1 312-492-0471 Illinois U.S.A.
  • 3124920472 | +1 312-492-0472 Illinois U.S.A.
  • 3124920473 | +1 312-492-0473 Illinois U.S.A.
  • 3124920474 | +1 312-492-0474 Illinois U.S.A.
  • 3124920475 | +1 312-492-0475 Illinois U.S.A.
  • 3124920476 | +1 312-492-0476 Illinois U.S.A.
  • 3124920477 | +1 312-492-0477 Illinois U.S.A.
  • 3124920478 | +1 312-492-0478 Illinois U.S.A.
  • 3124920479 | +1 312-492-0479 Illinois U.S.A.
  • 3124920480 | +1 312-492-0480 Illinois U.S.A.
  • 3124920481 | +1 312-492-0481 Illinois U.S.A.
  • 3124920482 | +1 312-492-0482 Illinois U.S.A.
  • 3124920483 | +1 312-492-0483 Illinois U.S.A.
  • 3124920484 | +1 312-492-0484 Illinois U.S.A.
  • 3124920485 | +1 312-492-0485 Illinois U.S.A.
  • 3124920486 | +1 312-492-0486 Illinois U.S.A.
  • 3124920487 | +1 312-492-0487 Illinois U.S.A.
  • 3124920488 | +1 312-492-0488 Illinois U.S.A.
  • 3124920489 | +1 312-492-0489 Illinois U.S.A.
  • 3124920490 | +1 312-492-0490 Illinois U.S.A.
  • 3124920491 | +1 312-492-0491 Illinois U.S.A.
  • 3124920492 | +1 312-492-0492 Illinois U.S.A.
  • 3124920493 | +1 312-492-0493 Illinois U.S.A.
  • 3124920494 | +1 312-492-0494 Illinois U.S.A.
  • 3124920495 | +1 312-492-0495 Illinois U.S.A.
  • 3124920496 | +1 312-492-0496 Illinois U.S.A.
  • 3124920497 | +1 312-492-0497 Illinois U.S.A.
  • 3124920498 | +1 312-492-0498 Illinois U.S.A.
  • 3124920499 | +1 312-492-0499 Illinois U.S.A.