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).

  • 3122040400 | +1 312-204-0400 Illinois U.S.A.
  • 3122040401 | +1 312-204-0401 Illinois U.S.A.
  • 3122040402 | +1 312-204-0402 Illinois U.S.A.
  • 3122040403 | +1 312-204-0403 Illinois U.S.A.
  • 3122040404 | +1 312-204-0404 Illinois U.S.A.
  • 3122040405 | +1 312-204-0405 Illinois U.S.A.
  • 3122040406 | +1 312-204-0406 Illinois U.S.A.
  • 3122040407 | +1 312-204-0407 Illinois U.S.A.
  • 3122040408 | +1 312-204-0408 Illinois U.S.A.
  • 3122040409 | +1 312-204-0409 Illinois U.S.A.
  • 3122040410 | +1 312-204-0410 Illinois U.S.A.
  • 3122040411 | +1 312-204-0411 Illinois U.S.A.
  • 3122040412 | +1 312-204-0412 Illinois U.S.A.
  • 3122040413 | +1 312-204-0413 Illinois U.S.A.
  • 3122040414 | +1 312-204-0414 Illinois U.S.A.
  • 3122040415 | +1 312-204-0415 Illinois U.S.A.
  • 3122040416 | +1 312-204-0416 Illinois U.S.A.
  • 3122040417 | +1 312-204-0417 Illinois U.S.A.
  • 3122040418 | +1 312-204-0418 Illinois U.S.A.
  • 3122040419 | +1 312-204-0419 Illinois U.S.A.
  • 3122040420 | +1 312-204-0420 Illinois U.S.A.
  • 3122040421 | +1 312-204-0421 Illinois U.S.A.
  • 3122040422 | +1 312-204-0422 Illinois U.S.A.
  • 3122040423 | +1 312-204-0423 Illinois U.S.A.
  • 3122040424 | +1 312-204-0424 Illinois U.S.A.
  • 3122040425 | +1 312-204-0425 Illinois U.S.A.
  • 3122040426 | +1 312-204-0426 Illinois U.S.A.
  • 3122040427 | +1 312-204-0427 Illinois U.S.A.
  • 3122040428 | +1 312-204-0428 Illinois U.S.A.
  • 3122040429 | +1 312-204-0429 Illinois U.S.A.
  • 3122040430 | +1 312-204-0430 Illinois U.S.A.
  • 3122040431 | +1 312-204-0431 Illinois U.S.A.
  • 3122040432 | +1 312-204-0432 Illinois U.S.A.
  • 3122040433 | +1 312-204-0433 Illinois U.S.A.
  • 3122040434 | +1 312-204-0434 Illinois U.S.A.
  • 3122040435 | +1 312-204-0435 Illinois U.S.A.
  • 3122040436 | +1 312-204-0436 Illinois U.S.A.
  • 3122040437 | +1 312-204-0437 Illinois U.S.A.
  • 3122040438 | +1 312-204-0438 Illinois U.S.A.
  • 3122040439 | +1 312-204-0439 Illinois U.S.A.
  • 3122040440 | +1 312-204-0440 Illinois U.S.A.
  • 3122040441 | +1 312-204-0441 Illinois U.S.A.
  • 3122040442 | +1 312-204-0442 Illinois U.S.A.
  • 3122040443 | +1 312-204-0443 Illinois U.S.A.
  • 3122040444 | +1 312-204-0444 Illinois U.S.A.
  • 3122040445 | +1 312-204-0445 Illinois U.S.A.
  • 3122040446 | +1 312-204-0446 Illinois U.S.A.
  • 3122040447 | +1 312-204-0447 Illinois U.S.A.
  • 3122040448 | +1 312-204-0448 Illinois U.S.A.
  • 3122040449 | +1 312-204-0449 Illinois U.S.A.
  • 3122040450 | +1 312-204-0450 Illinois U.S.A.
  • 3122040451 | +1 312-204-0451 Illinois U.S.A.
  • 3122040452 | +1 312-204-0452 Illinois U.S.A.
  • 3122040453 | +1 312-204-0453 Illinois U.S.A.
  • 3122040454 | +1 312-204-0454 Illinois U.S.A.
  • 3122040455 | +1 312-204-0455 Illinois U.S.A.
  • 3122040456 | +1 312-204-0456 Illinois U.S.A.
  • 3122040457 | +1 312-204-0457 Illinois U.S.A.
  • 3122040458 | +1 312-204-0458 Illinois U.S.A.
  • 3122040459 | +1 312-204-0459 Illinois U.S.A.
  • 3122040460 | +1 312-204-0460 Illinois U.S.A.
  • 3122040461 | +1 312-204-0461 Illinois U.S.A.
  • 3122040462 | +1 312-204-0462 Illinois U.S.A.
  • 3122040463 | +1 312-204-0463 Illinois U.S.A.
  • 3122040464 | +1 312-204-0464 Illinois U.S.A.
  • 3122040465 | +1 312-204-0465 Illinois U.S.A.
  • 3122040466 | +1 312-204-0466 Illinois U.S.A.
  • 3122040467 | +1 312-204-0467 Illinois U.S.A.
  • 3122040468 | +1 312-204-0468 Illinois U.S.A.
  • 3122040469 | +1 312-204-0469 Illinois U.S.A.
  • 3122040470 | +1 312-204-0470 Illinois U.S.A.
  • 3122040471 | +1 312-204-0471 Illinois U.S.A.
  • 3122040472 | +1 312-204-0472 Illinois U.S.A.
  • 3122040473 | +1 312-204-0473 Illinois U.S.A.
  • 3122040474 | +1 312-204-0474 Illinois U.S.A.
  • 3122040475 | +1 312-204-0475 Illinois U.S.A.
  • 3122040476 | +1 312-204-0476 Illinois U.S.A.
  • 3122040477 | +1 312-204-0477 Illinois U.S.A.
  • 3122040478 | +1 312-204-0478 Illinois U.S.A.
  • 3122040479 | +1 312-204-0479 Illinois U.S.A.
  • 3122040480 | +1 312-204-0480 Illinois U.S.A.
  • 3122040481 | +1 312-204-0481 Illinois U.S.A.
  • 3122040482 | +1 312-204-0482 Illinois U.S.A.
  • 3122040483 | +1 312-204-0483 Illinois U.S.A.
  • 3122040484 | +1 312-204-0484 Illinois U.S.A.
  • 3122040485 | +1 312-204-0485 Illinois U.S.A.
  • 3122040486 | +1 312-204-0486 Illinois U.S.A.
  • 3122040487 | +1 312-204-0487 Illinois U.S.A.
  • 3122040488 | +1 312-204-0488 Illinois U.S.A.
  • 3122040489 | +1 312-204-0489 Illinois U.S.A.
  • 3122040490 | +1 312-204-0490 Illinois U.S.A.
  • 3122040491 | +1 312-204-0491 Illinois U.S.A.
  • 3122040492 | +1 312-204-0492 Illinois U.S.A.
  • 3122040493 | +1 312-204-0493 Illinois U.S.A.
  • 3122040494 | +1 312-204-0494 Illinois U.S.A.
  • 3122040495 | +1 312-204-0495 Illinois U.S.A.
  • 3122040496 | +1 312-204-0496 Illinois U.S.A.
  • 3122040497 | +1 312-204-0497 Illinois U.S.A.
  • 3122040498 | +1 312-204-0498 Illinois U.S.A.
  • 3122040499 | +1 312-204-0499 Illinois U.S.A.