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).

  • 3122320400 | +1 312-232-0400 Illinois U.S.A.
  • 3122320401 | +1 312-232-0401 Illinois U.S.A.
  • 3122320402 | +1 312-232-0402 Illinois U.S.A.
  • 3122320403 | +1 312-232-0403 Illinois U.S.A.
  • 3122320404 | +1 312-232-0404 Illinois U.S.A.
  • 3122320405 | +1 312-232-0405 Illinois U.S.A.
  • 3122320406 | +1 312-232-0406 Illinois U.S.A.
  • 3122320407 | +1 312-232-0407 Illinois U.S.A.
  • 3122320408 | +1 312-232-0408 Illinois U.S.A.
  • 3122320409 | +1 312-232-0409 Illinois U.S.A.
  • 3122320410 | +1 312-232-0410 Illinois U.S.A.
  • 3122320411 | +1 312-232-0411 Illinois U.S.A.
  • 3122320412 | +1 312-232-0412 Illinois U.S.A.
  • 3122320413 | +1 312-232-0413 Illinois U.S.A.
  • 3122320414 | +1 312-232-0414 Illinois U.S.A.
  • 3122320415 | +1 312-232-0415 Illinois U.S.A.
  • 3122320416 | +1 312-232-0416 Illinois U.S.A.
  • 3122320417 | +1 312-232-0417 Illinois U.S.A.
  • 3122320418 | +1 312-232-0418 Illinois U.S.A.
  • 3122320419 | +1 312-232-0419 Illinois U.S.A.
  • 3122320420 | +1 312-232-0420 Illinois U.S.A.
  • 3122320421 | +1 312-232-0421 Illinois U.S.A.
  • 3122320422 | +1 312-232-0422 Illinois U.S.A.
  • 3122320423 | +1 312-232-0423 Illinois U.S.A.
  • 3122320424 | +1 312-232-0424 Illinois U.S.A.
  • 3122320425 | +1 312-232-0425 Illinois U.S.A.
  • 3122320426 | +1 312-232-0426 Illinois U.S.A.
  • 3122320427 | +1 312-232-0427 Illinois U.S.A.
  • 3122320428 | +1 312-232-0428 Illinois U.S.A.
  • 3122320429 | +1 312-232-0429 Illinois U.S.A.
  • 3122320430 | +1 312-232-0430 Illinois U.S.A.
  • 3122320431 | +1 312-232-0431 Illinois U.S.A.
  • 3122320432 | +1 312-232-0432 Illinois U.S.A.
  • 3122320433 | +1 312-232-0433 Illinois U.S.A.
  • 3122320434 | +1 312-232-0434 Illinois U.S.A.
  • 3122320435 | +1 312-232-0435 Illinois U.S.A.
  • 3122320436 | +1 312-232-0436 Illinois U.S.A.
  • 3122320437 | +1 312-232-0437 Illinois U.S.A.
  • 3122320438 | +1 312-232-0438 Illinois U.S.A.
  • 3122320439 | +1 312-232-0439 Illinois U.S.A.
  • 3122320440 | +1 312-232-0440 Illinois U.S.A.
  • 3122320441 | +1 312-232-0441 Illinois U.S.A.
  • 3122320442 | +1 312-232-0442 Illinois U.S.A.
  • 3122320443 | +1 312-232-0443 Illinois U.S.A.
  • 3122320444 | +1 312-232-0444 Illinois U.S.A.
  • 3122320445 | +1 312-232-0445 Illinois U.S.A.
  • 3122320446 | +1 312-232-0446 Illinois U.S.A.
  • 3122320447 | +1 312-232-0447 Illinois U.S.A.
  • 3122320448 | +1 312-232-0448 Illinois U.S.A.
  • 3122320449 | +1 312-232-0449 Illinois U.S.A.
  • 3122320450 | +1 312-232-0450 Illinois U.S.A.
  • 3122320451 | +1 312-232-0451 Illinois U.S.A.
  • 3122320452 | +1 312-232-0452 Illinois U.S.A.
  • 3122320453 | +1 312-232-0453 Illinois U.S.A.
  • 3122320454 | +1 312-232-0454 Illinois U.S.A.
  • 3122320455 | +1 312-232-0455 Illinois U.S.A.
  • 3122320456 | +1 312-232-0456 Illinois U.S.A.
  • 3122320457 | +1 312-232-0457 Illinois U.S.A.
  • 3122320458 | +1 312-232-0458 Illinois U.S.A.
  • 3122320459 | +1 312-232-0459 Illinois U.S.A.
  • 3122320460 | +1 312-232-0460 Illinois U.S.A.
  • 3122320461 | +1 312-232-0461 Illinois U.S.A.
  • 3122320462 | +1 312-232-0462 Illinois U.S.A.
  • 3122320463 | +1 312-232-0463 Illinois U.S.A.
  • 3122320464 | +1 312-232-0464 Illinois U.S.A.
  • 3122320465 | +1 312-232-0465 Illinois U.S.A.
  • 3122320466 | +1 312-232-0466 Illinois U.S.A.
  • 3122320467 | +1 312-232-0467 Illinois U.S.A.
  • 3122320468 | +1 312-232-0468 Illinois U.S.A.
  • 3122320469 | +1 312-232-0469 Illinois U.S.A.
  • 3122320470 | +1 312-232-0470 Illinois U.S.A.
  • 3122320471 | +1 312-232-0471 Illinois U.S.A.
  • 3122320472 | +1 312-232-0472 Illinois U.S.A.
  • 3122320473 | +1 312-232-0473 Illinois U.S.A.
  • 3122320474 | +1 312-232-0474 Illinois U.S.A.
  • 3122320475 | +1 312-232-0475 Illinois U.S.A.
  • 3122320476 | +1 312-232-0476 Illinois U.S.A.
  • 3122320477 | +1 312-232-0477 Illinois U.S.A.
  • 3122320478 | +1 312-232-0478 Illinois U.S.A.
  • 3122320479 | +1 312-232-0479 Illinois U.S.A.
  • 3122320480 | +1 312-232-0480 Illinois U.S.A.
  • 3122320481 | +1 312-232-0481 Illinois U.S.A.
  • 3122320482 | +1 312-232-0482 Illinois U.S.A.
  • 3122320483 | +1 312-232-0483 Illinois U.S.A.
  • 3122320484 | +1 312-232-0484 Illinois U.S.A.
  • 3122320485 | +1 312-232-0485 Illinois U.S.A.
  • 3122320486 | +1 312-232-0486 Illinois U.S.A.
  • 3122320487 | +1 312-232-0487 Illinois U.S.A.
  • 3122320488 | +1 312-232-0488 Illinois U.S.A.
  • 3122320489 | +1 312-232-0489 Illinois U.S.A.
  • 3122320490 | +1 312-232-0490 Illinois U.S.A.
  • 3122320491 | +1 312-232-0491 Illinois U.S.A.
  • 3122320492 | +1 312-232-0492 Illinois U.S.A.
  • 3122320493 | +1 312-232-0493 Illinois U.S.A.
  • 3122320494 | +1 312-232-0494 Illinois U.S.A.
  • 3122320495 | +1 312-232-0495 Illinois U.S.A.
  • 3122320496 | +1 312-232-0496 Illinois U.S.A.
  • 3122320497 | +1 312-232-0497 Illinois U.S.A.
  • 3122320498 | +1 312-232-0498 Illinois U.S.A.
  • 3122320499 | +1 312-232-0499 Illinois U.S.A.