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).

  • 3124270400 | +1 312-427-0400 Illinois U.S.A.
  • 3124270401 | +1 312-427-0401 Illinois U.S.A.
  • 3124270402 | +1 312-427-0402 Illinois U.S.A.
  • 3124270403 | +1 312-427-0403 Illinois U.S.A.
  • 3124270404 | +1 312-427-0404 Illinois U.S.A.
  • 3124270405 | +1 312-427-0405 Illinois U.S.A.
  • 3124270406 | +1 312-427-0406 Illinois U.S.A.
  • 3124270407 | +1 312-427-0407 Illinois U.S.A.
  • 3124270408 | +1 312-427-0408 Illinois U.S.A.
  • 3124270409 | +1 312-427-0409 Illinois U.S.A.
  • 3124270410 | +1 312-427-0410 Illinois U.S.A.
  • 3124270411 | +1 312-427-0411 Illinois U.S.A.
  • 3124270412 | +1 312-427-0412 Illinois U.S.A.
  • 3124270413 | +1 312-427-0413 Illinois U.S.A.
  • 3124270414 | +1 312-427-0414 Illinois U.S.A.
  • 3124270415 | +1 312-427-0415 Illinois U.S.A.
  • 3124270416 | +1 312-427-0416 Illinois U.S.A.
  • 3124270417 | +1 312-427-0417 Illinois U.S.A.
  • 3124270418 | +1 312-427-0418 Illinois U.S.A.
  • 3124270419 | +1 312-427-0419 Illinois U.S.A.
  • 3124270420 | +1 312-427-0420 Illinois U.S.A.
  • 3124270421 | +1 312-427-0421 Illinois U.S.A.
  • 3124270422 | +1 312-427-0422 Illinois U.S.A.
  • 3124270423 | +1 312-427-0423 Illinois U.S.A.
  • 3124270424 | +1 312-427-0424 Illinois U.S.A.
  • 3124270425 | +1 312-427-0425 Illinois U.S.A.
  • 3124270426 | +1 312-427-0426 Illinois U.S.A.
  • 3124270427 | +1 312-427-0427 Illinois U.S.A.
  • 3124270428 | +1 312-427-0428 Illinois U.S.A.
  • 3124270429 | +1 312-427-0429 Illinois U.S.A.
  • 3124270430 | +1 312-427-0430 Illinois U.S.A.
  • 3124270431 | +1 312-427-0431 Illinois U.S.A.
  • 3124270432 | +1 312-427-0432 Illinois U.S.A.
  • 3124270433 | +1 312-427-0433 Illinois U.S.A.
  • 3124270434 | +1 312-427-0434 Illinois U.S.A.
  • 3124270435 | +1 312-427-0435 Illinois U.S.A.
  • 3124270436 | +1 312-427-0436 Illinois U.S.A.
  • 3124270437 | +1 312-427-0437 Illinois U.S.A.
  • 3124270438 | +1 312-427-0438 Illinois U.S.A.
  • 3124270439 | +1 312-427-0439 Illinois U.S.A.
  • 3124270440 | +1 312-427-0440 Illinois U.S.A.
  • 3124270441 | +1 312-427-0441 Illinois U.S.A.
  • 3124270442 | +1 312-427-0442 Illinois U.S.A.
  • 3124270443 | +1 312-427-0443 Illinois U.S.A.
  • 3124270444 | +1 312-427-0444 Illinois U.S.A.
  • 3124270445 | +1 312-427-0445 Illinois U.S.A.
  • 3124270446 | +1 312-427-0446 Illinois U.S.A.
  • 3124270447 | +1 312-427-0447 Illinois U.S.A.
  • 3124270448 | +1 312-427-0448 Illinois U.S.A.
  • 3124270449 | +1 312-427-0449 Illinois U.S.A.
  • 3124270450 | +1 312-427-0450 Illinois U.S.A.
  • 3124270451 | +1 312-427-0451 Illinois U.S.A.
  • 3124270452 | +1 312-427-0452 Illinois U.S.A.
  • 3124270453 | +1 312-427-0453 Illinois U.S.A.
  • 3124270454 | +1 312-427-0454 Illinois U.S.A.
  • 3124270455 | +1 312-427-0455 Illinois U.S.A.
  • 3124270456 | +1 312-427-0456 Illinois U.S.A.
  • 3124270457 | +1 312-427-0457 Illinois U.S.A.
  • 3124270458 | +1 312-427-0458 Illinois U.S.A.
  • 3124270459 | +1 312-427-0459 Illinois U.S.A.
  • 3124270460 | +1 312-427-0460 Illinois U.S.A.
  • 3124270461 | +1 312-427-0461 Illinois U.S.A.
  • 3124270462 | +1 312-427-0462 Illinois U.S.A.
  • 3124270463 | +1 312-427-0463 Illinois U.S.A.
  • 3124270464 | +1 312-427-0464 Illinois U.S.A.
  • 3124270465 | +1 312-427-0465 Illinois U.S.A.
  • 3124270466 | +1 312-427-0466 Illinois U.S.A.
  • 3124270467 | +1 312-427-0467 Illinois U.S.A.
  • 3124270468 | +1 312-427-0468 Illinois U.S.A.
  • 3124270469 | +1 312-427-0469 Illinois U.S.A.
  • 3124270470 | +1 312-427-0470 Illinois U.S.A.
  • 3124270471 | +1 312-427-0471 Illinois U.S.A.
  • 3124270472 | +1 312-427-0472 Illinois U.S.A.
  • 3124270473 | +1 312-427-0473 Illinois U.S.A.
  • 3124270474 | +1 312-427-0474 Illinois U.S.A.
  • 3124270475 | +1 312-427-0475 Illinois U.S.A.
  • 3124270476 | +1 312-427-0476 Illinois U.S.A.
  • 3124270477 | +1 312-427-0477 Illinois U.S.A.
  • 3124270478 | +1 312-427-0478 Illinois U.S.A.
  • 3124270479 | +1 312-427-0479 Illinois U.S.A.
  • 3124270480 | +1 312-427-0480 Illinois U.S.A.
  • 3124270481 | +1 312-427-0481 Illinois U.S.A.
  • 3124270482 | +1 312-427-0482 Illinois U.S.A.
  • 3124270483 | +1 312-427-0483 Illinois U.S.A.
  • 3124270484 | +1 312-427-0484 Illinois U.S.A.
  • 3124270485 | +1 312-427-0485 Illinois U.S.A.
  • 3124270486 | +1 312-427-0486 Illinois U.S.A.
  • 3124270487 | +1 312-427-0487 Illinois U.S.A.
  • 3124270488 | +1 312-427-0488 Illinois U.S.A.
  • 3124270489 | +1 312-427-0489 Illinois U.S.A.
  • 3124270490 | +1 312-427-0490 Illinois U.S.A.
  • 3124270491 | +1 312-427-0491 Illinois U.S.A.
  • 3124270492 | +1 312-427-0492 Illinois U.S.A.
  • 3124270493 | +1 312-427-0493 Illinois U.S.A.
  • 3124270494 | +1 312-427-0494 Illinois U.S.A.
  • 3124270495 | +1 312-427-0495 Illinois U.S.A.
  • 3124270496 | +1 312-427-0496 Illinois U.S.A.
  • 3124270497 | +1 312-427-0497 Illinois U.S.A.
  • 3124270498 | +1 312-427-0498 Illinois U.S.A.
  • 3124270499 | +1 312-427-0499 Illinois U.S.A.