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).

  • 3122340400 | +1 312-234-0400 Illinois U.S.A.
  • 3122340401 | +1 312-234-0401 Illinois U.S.A.
  • 3122340402 | +1 312-234-0402 Illinois U.S.A.
  • 3122340403 | +1 312-234-0403 Illinois U.S.A.
  • 3122340404 | +1 312-234-0404 Illinois U.S.A.
  • 3122340405 | +1 312-234-0405 Illinois U.S.A.
  • 3122340406 | +1 312-234-0406 Illinois U.S.A.
  • 3122340407 | +1 312-234-0407 Illinois U.S.A.
  • 3122340408 | +1 312-234-0408 Illinois U.S.A.
  • 3122340409 | +1 312-234-0409 Illinois U.S.A.
  • 3122340410 | +1 312-234-0410 Illinois U.S.A.
  • 3122340411 | +1 312-234-0411 Illinois U.S.A.
  • 3122340412 | +1 312-234-0412 Illinois U.S.A.
  • 3122340413 | +1 312-234-0413 Illinois U.S.A.
  • 3122340414 | +1 312-234-0414 Illinois U.S.A.
  • 3122340415 | +1 312-234-0415 Illinois U.S.A.
  • 3122340416 | +1 312-234-0416 Illinois U.S.A.
  • 3122340417 | +1 312-234-0417 Illinois U.S.A.
  • 3122340418 | +1 312-234-0418 Illinois U.S.A.
  • 3122340419 | +1 312-234-0419 Illinois U.S.A.
  • 3122340420 | +1 312-234-0420 Illinois U.S.A.
  • 3122340421 | +1 312-234-0421 Illinois U.S.A.
  • 3122340422 | +1 312-234-0422 Illinois U.S.A.
  • 3122340423 | +1 312-234-0423 Illinois U.S.A.
  • 3122340424 | +1 312-234-0424 Illinois U.S.A.
  • 3122340425 | +1 312-234-0425 Illinois U.S.A.
  • 3122340426 | +1 312-234-0426 Illinois U.S.A.
  • 3122340427 | +1 312-234-0427 Illinois U.S.A.
  • 3122340428 | +1 312-234-0428 Illinois U.S.A.
  • 3122340429 | +1 312-234-0429 Illinois U.S.A.
  • 3122340430 | +1 312-234-0430 Illinois U.S.A.
  • 3122340431 | +1 312-234-0431 Illinois U.S.A.
  • 3122340432 | +1 312-234-0432 Illinois U.S.A.
  • 3122340433 | +1 312-234-0433 Illinois U.S.A.
  • 3122340434 | +1 312-234-0434 Illinois U.S.A.
  • 3122340435 | +1 312-234-0435 Illinois U.S.A.
  • 3122340436 | +1 312-234-0436 Illinois U.S.A.
  • 3122340437 | +1 312-234-0437 Illinois U.S.A.
  • 3122340438 | +1 312-234-0438 Illinois U.S.A.
  • 3122340439 | +1 312-234-0439 Illinois U.S.A.
  • 3122340440 | +1 312-234-0440 Illinois U.S.A.
  • 3122340441 | +1 312-234-0441 Illinois U.S.A.
  • 3122340442 | +1 312-234-0442 Illinois U.S.A.
  • 3122340443 | +1 312-234-0443 Illinois U.S.A.
  • 3122340444 | +1 312-234-0444 Illinois U.S.A.
  • 3122340445 | +1 312-234-0445 Illinois U.S.A.
  • 3122340446 | +1 312-234-0446 Illinois U.S.A.
  • 3122340447 | +1 312-234-0447 Illinois U.S.A.
  • 3122340448 | +1 312-234-0448 Illinois U.S.A.
  • 3122340449 | +1 312-234-0449 Illinois U.S.A.
  • 3122340450 | +1 312-234-0450 Illinois U.S.A.
  • 3122340451 | +1 312-234-0451 Illinois U.S.A.
  • 3122340452 | +1 312-234-0452 Illinois U.S.A.
  • 3122340453 | +1 312-234-0453 Illinois U.S.A.
  • 3122340454 | +1 312-234-0454 Illinois U.S.A.
  • 3122340455 | +1 312-234-0455 Illinois U.S.A.
  • 3122340456 | +1 312-234-0456 Illinois U.S.A.
  • 3122340457 | +1 312-234-0457 Illinois U.S.A.
  • 3122340458 | +1 312-234-0458 Illinois U.S.A.
  • 3122340459 | +1 312-234-0459 Illinois U.S.A.
  • 3122340460 | +1 312-234-0460 Illinois U.S.A.
  • 3122340461 | +1 312-234-0461 Illinois U.S.A.
  • 3122340462 | +1 312-234-0462 Illinois U.S.A.
  • 3122340463 | +1 312-234-0463 Illinois U.S.A.
  • 3122340464 | +1 312-234-0464 Illinois U.S.A.
  • 3122340465 | +1 312-234-0465 Illinois U.S.A.
  • 3122340466 | +1 312-234-0466 Illinois U.S.A.
  • 3122340467 | +1 312-234-0467 Illinois U.S.A.
  • 3122340468 | +1 312-234-0468 Illinois U.S.A.
  • 3122340469 | +1 312-234-0469 Illinois U.S.A.
  • 3122340470 | +1 312-234-0470 Illinois U.S.A.
  • 3122340471 | +1 312-234-0471 Illinois U.S.A.
  • 3122340472 | +1 312-234-0472 Illinois U.S.A.
  • 3122340473 | +1 312-234-0473 Illinois U.S.A.
  • 3122340474 | +1 312-234-0474 Illinois U.S.A.
  • 3122340475 | +1 312-234-0475 Illinois U.S.A.
  • 3122340476 | +1 312-234-0476 Illinois U.S.A.
  • 3122340477 | +1 312-234-0477 Illinois U.S.A.
  • 3122340478 | +1 312-234-0478 Illinois U.S.A.
  • 3122340479 | +1 312-234-0479 Illinois U.S.A.
  • 3122340480 | +1 312-234-0480 Illinois U.S.A.
  • 3122340481 | +1 312-234-0481 Illinois U.S.A.
  • 3122340482 | +1 312-234-0482 Illinois U.S.A.
  • 3122340483 | +1 312-234-0483 Illinois U.S.A.
  • 3122340484 | +1 312-234-0484 Illinois U.S.A.
  • 3122340485 | +1 312-234-0485 Illinois U.S.A.
  • 3122340486 | +1 312-234-0486 Illinois U.S.A.
  • 3122340487 | +1 312-234-0487 Illinois U.S.A.
  • 3122340488 | +1 312-234-0488 Illinois U.S.A.
  • 3122340489 | +1 312-234-0489 Illinois U.S.A.
  • 3122340490 | +1 312-234-0490 Illinois U.S.A.
  • 3122340491 | +1 312-234-0491 Illinois U.S.A.
  • 3122340492 | +1 312-234-0492 Illinois U.S.A.
  • 3122340493 | +1 312-234-0493 Illinois U.S.A.
  • 3122340494 | +1 312-234-0494 Illinois U.S.A.
  • 3122340495 | +1 312-234-0495 Illinois U.S.A.
  • 3122340496 | +1 312-234-0496 Illinois U.S.A.
  • 3122340497 | +1 312-234-0497 Illinois U.S.A.
  • 3122340498 | +1 312-234-0498 Illinois U.S.A.
  • 3122340499 | +1 312-234-0499 Illinois U.S.A.