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).

  • 3122450400 | +1 312-245-0400 Illinois U.S.A.
  • 3122450401 | +1 312-245-0401 Illinois U.S.A.
  • 3122450402 | +1 312-245-0402 Illinois U.S.A.
  • 3122450403 | +1 312-245-0403 Illinois U.S.A.
  • 3122450404 | +1 312-245-0404 Illinois U.S.A.
  • 3122450405 | +1 312-245-0405 Illinois U.S.A.
  • 3122450406 | +1 312-245-0406 Illinois U.S.A.
  • 3122450407 | +1 312-245-0407 Illinois U.S.A.
  • 3122450408 | +1 312-245-0408 Illinois U.S.A.
  • 3122450409 | +1 312-245-0409 Illinois U.S.A.
  • 3122450410 | +1 312-245-0410 Illinois U.S.A.
  • 3122450411 | +1 312-245-0411 Illinois U.S.A.
  • 3122450412 | +1 312-245-0412 Illinois U.S.A.
  • 3122450413 | +1 312-245-0413 Illinois U.S.A.
  • 3122450414 | +1 312-245-0414 Illinois U.S.A.
  • 3122450415 | +1 312-245-0415 Illinois U.S.A.
  • 3122450416 | +1 312-245-0416 Illinois U.S.A.
  • 3122450417 | +1 312-245-0417 Illinois U.S.A.
  • 3122450418 | +1 312-245-0418 Illinois U.S.A.
  • 3122450419 | +1 312-245-0419 Illinois U.S.A.
  • 3122450420 | +1 312-245-0420 Illinois U.S.A.
  • 3122450421 | +1 312-245-0421 Illinois U.S.A.
  • 3122450422 | +1 312-245-0422 Illinois U.S.A.
  • 3122450423 | +1 312-245-0423 Illinois U.S.A.
  • 3122450424 | +1 312-245-0424 Illinois U.S.A.
  • 3122450425 | +1 312-245-0425 Illinois U.S.A.
  • 3122450426 | +1 312-245-0426 Illinois U.S.A.
  • 3122450427 | +1 312-245-0427 Illinois U.S.A.
  • 3122450428 | +1 312-245-0428 Illinois U.S.A.
  • 3122450429 | +1 312-245-0429 Illinois U.S.A.
  • 3122450430 | +1 312-245-0430 Illinois U.S.A.
  • 3122450431 | +1 312-245-0431 Illinois U.S.A.
  • 3122450432 | +1 312-245-0432 Illinois U.S.A.
  • 3122450433 | +1 312-245-0433 Illinois U.S.A.
  • 3122450434 | +1 312-245-0434 Illinois U.S.A.
  • 3122450435 | +1 312-245-0435 Illinois U.S.A.
  • 3122450436 | +1 312-245-0436 Illinois U.S.A.
  • 3122450437 | +1 312-245-0437 Illinois U.S.A.
  • 3122450438 | +1 312-245-0438 Illinois U.S.A.
  • 3122450439 | +1 312-245-0439 Illinois U.S.A.
  • 3122450440 | +1 312-245-0440 Illinois U.S.A.
  • 3122450441 | +1 312-245-0441 Illinois U.S.A.
  • 3122450442 | +1 312-245-0442 Illinois U.S.A.
  • 3122450443 | +1 312-245-0443 Illinois U.S.A.
  • 3122450444 | +1 312-245-0444 Illinois U.S.A.
  • 3122450445 | +1 312-245-0445 Illinois U.S.A.
  • 3122450446 | +1 312-245-0446 Illinois U.S.A.
  • 3122450447 | +1 312-245-0447 Illinois U.S.A.
  • 3122450448 | +1 312-245-0448 Illinois U.S.A.
  • 3122450449 | +1 312-245-0449 Illinois U.S.A.
  • 3122450450 | +1 312-245-0450 Illinois U.S.A.
  • 3122450451 | +1 312-245-0451 Illinois U.S.A.
  • 3122450452 | +1 312-245-0452 Illinois U.S.A.
  • 3122450453 | +1 312-245-0453 Illinois U.S.A.
  • 3122450454 | +1 312-245-0454 Illinois U.S.A.
  • 3122450455 | +1 312-245-0455 Illinois U.S.A.
  • 3122450456 | +1 312-245-0456 Illinois U.S.A.
  • 3122450457 | +1 312-245-0457 Illinois U.S.A.
  • 3122450458 | +1 312-245-0458 Illinois U.S.A.
  • 3122450459 | +1 312-245-0459 Illinois U.S.A.
  • 3122450460 | +1 312-245-0460 Illinois U.S.A.
  • 3122450461 | +1 312-245-0461 Illinois U.S.A.
  • 3122450462 | +1 312-245-0462 Illinois U.S.A.
  • 3122450463 | +1 312-245-0463 Illinois U.S.A.
  • 3122450464 | +1 312-245-0464 Illinois U.S.A.
  • 3122450465 | +1 312-245-0465 Illinois U.S.A.
  • 3122450466 | +1 312-245-0466 Illinois U.S.A.
  • 3122450467 | +1 312-245-0467 Illinois U.S.A.
  • 3122450468 | +1 312-245-0468 Illinois U.S.A.
  • 3122450469 | +1 312-245-0469 Illinois U.S.A.
  • 3122450470 | +1 312-245-0470 Illinois U.S.A.
  • 3122450471 | +1 312-245-0471 Illinois U.S.A.
  • 3122450472 | +1 312-245-0472 Illinois U.S.A.
  • 3122450473 | +1 312-245-0473 Illinois U.S.A.
  • 3122450474 | +1 312-245-0474 Illinois U.S.A.
  • 3122450475 | +1 312-245-0475 Illinois U.S.A.
  • 3122450476 | +1 312-245-0476 Illinois U.S.A.
  • 3122450477 | +1 312-245-0477 Illinois U.S.A.
  • 3122450478 | +1 312-245-0478 Illinois U.S.A.
  • 3122450479 | +1 312-245-0479 Illinois U.S.A.
  • 3122450480 | +1 312-245-0480 Illinois U.S.A.
  • 3122450481 | +1 312-245-0481 Illinois U.S.A.
  • 3122450482 | +1 312-245-0482 Illinois U.S.A.
  • 3122450483 | +1 312-245-0483 Illinois U.S.A.
  • 3122450484 | +1 312-245-0484 Illinois U.S.A.
  • 3122450485 | +1 312-245-0485 Illinois U.S.A.
  • 3122450486 | +1 312-245-0486 Illinois U.S.A.
  • 3122450487 | +1 312-245-0487 Illinois U.S.A.
  • 3122450488 | +1 312-245-0488 Illinois U.S.A.
  • 3122450489 | +1 312-245-0489 Illinois U.S.A.
  • 3122450490 | +1 312-245-0490 Illinois U.S.A.
  • 3122450491 | +1 312-245-0491 Illinois U.S.A.
  • 3122450492 | +1 312-245-0492 Illinois U.S.A.
  • 3122450493 | +1 312-245-0493 Illinois U.S.A.
  • 3122450494 | +1 312-245-0494 Illinois U.S.A.
  • 3122450495 | +1 312-245-0495 Illinois U.S.A.
  • 3122450496 | +1 312-245-0496 Illinois U.S.A.
  • 3122450497 | +1 312-245-0497 Illinois U.S.A.
  • 3122450498 | +1 312-245-0498 Illinois U.S.A.
  • 3122450499 | +1 312-245-0499 Illinois U.S.A.