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).

  • 3123728400 | +1 312-372-8400 Illinois U.S.A.
  • 3123728401 | +1 312-372-8401 Illinois U.S.A.
  • 3123728402 | +1 312-372-8402 Illinois U.S.A.
  • 3123728403 | +1 312-372-8403 Illinois U.S.A.
  • 3123728404 | +1 312-372-8404 Illinois U.S.A.
  • 3123728405 | +1 312-372-8405 Illinois U.S.A.
  • 3123728406 | +1 312-372-8406 Illinois U.S.A.
  • 3123728407 | +1 312-372-8407 Illinois U.S.A.
  • 3123728408 | +1 312-372-8408 Illinois U.S.A.
  • 3123728409 | +1 312-372-8409 Illinois U.S.A.
  • 3123728410 | +1 312-372-8410 Illinois U.S.A.
  • 3123728411 | +1 312-372-8411 Illinois U.S.A.
  • 3123728412 | +1 312-372-8412 Illinois U.S.A.
  • 3123728413 | +1 312-372-8413 Illinois U.S.A.
  • 3123728414 | +1 312-372-8414 Illinois U.S.A.
  • 3123728415 | +1 312-372-8415 Illinois U.S.A.
  • 3123728416 | +1 312-372-8416 Illinois U.S.A.
  • 3123728417 | +1 312-372-8417 Illinois U.S.A.
  • 3123728418 | +1 312-372-8418 Illinois U.S.A.
  • 3123728419 | +1 312-372-8419 Illinois U.S.A.
  • 3123728420 | +1 312-372-8420 Illinois U.S.A.
  • 3123728421 | +1 312-372-8421 Illinois U.S.A.
  • 3123728422 | +1 312-372-8422 Illinois U.S.A.
  • 3123728423 | +1 312-372-8423 Illinois U.S.A.
  • 3123728424 | +1 312-372-8424 Illinois U.S.A.
  • 3123728425 | +1 312-372-8425 Illinois U.S.A.
  • 3123728426 | +1 312-372-8426 Illinois U.S.A.
  • 3123728427 | +1 312-372-8427 Illinois U.S.A.
  • 3123728428 | +1 312-372-8428 Illinois U.S.A.
  • 3123728429 | +1 312-372-8429 Illinois U.S.A.
  • 3123728430 | +1 312-372-8430 Illinois U.S.A.
  • 3123728431 | +1 312-372-8431 Illinois U.S.A.
  • 3123728432 | +1 312-372-8432 Illinois U.S.A.
  • 3123728433 | +1 312-372-8433 Illinois U.S.A.
  • 3123728434 | +1 312-372-8434 Illinois U.S.A.
  • 3123728435 | +1 312-372-8435 Illinois U.S.A.
  • 3123728436 | +1 312-372-8436 Illinois U.S.A.
  • 3123728437 | +1 312-372-8437 Illinois U.S.A.
  • 3123728438 | +1 312-372-8438 Illinois U.S.A.
  • 3123728439 | +1 312-372-8439 Illinois U.S.A.
  • 3123728440 | +1 312-372-8440 Illinois U.S.A.
  • 3123728441 | +1 312-372-8441 Illinois U.S.A.
  • 3123728442 | +1 312-372-8442 Illinois U.S.A.
  • 3123728443 | +1 312-372-8443 Illinois U.S.A.
  • 3123728444 | +1 312-372-8444 Illinois U.S.A.
  • 3123728445 | +1 312-372-8445 Illinois U.S.A.
  • 3123728446 | +1 312-372-8446 Illinois U.S.A.
  • 3123728447 | +1 312-372-8447 Illinois U.S.A.
  • 3123728448 | +1 312-372-8448 Illinois U.S.A.
  • 3123728449 | +1 312-372-8449 Illinois U.S.A.
  • 3123728450 | +1 312-372-8450 Illinois U.S.A.
  • 3123728451 | +1 312-372-8451 Illinois U.S.A.
  • 3123728452 | +1 312-372-8452 Illinois U.S.A.
  • 3123728453 | +1 312-372-8453 Illinois U.S.A.
  • 3123728454 | +1 312-372-8454 Illinois U.S.A.
  • 3123728455 | +1 312-372-8455 Illinois U.S.A.
  • 3123728456 | +1 312-372-8456 Illinois U.S.A.
  • 3123728457 | +1 312-372-8457 Illinois U.S.A.
  • 3123728458 | +1 312-372-8458 Illinois U.S.A.
  • 3123728459 | +1 312-372-8459 Illinois U.S.A.
  • 3123728460 | +1 312-372-8460 Illinois U.S.A.
  • 3123728461 | +1 312-372-8461 Illinois U.S.A.
  • 3123728462 | +1 312-372-8462 Illinois U.S.A.
  • 3123728463 | +1 312-372-8463 Illinois U.S.A.
  • 3123728464 | +1 312-372-8464 Illinois U.S.A.
  • 3123728465 | +1 312-372-8465 Illinois U.S.A.
  • 3123728466 | +1 312-372-8466 Illinois U.S.A.
  • 3123728467 | +1 312-372-8467 Illinois U.S.A.
  • 3123728468 | +1 312-372-8468 Illinois U.S.A.
  • 3123728469 | +1 312-372-8469 Illinois U.S.A.
  • 3123728470 | +1 312-372-8470 Illinois U.S.A.
  • 3123728471 | +1 312-372-8471 Illinois U.S.A.
  • 3123728472 | +1 312-372-8472 Illinois U.S.A.
  • 3123728473 | +1 312-372-8473 Illinois U.S.A.
  • 3123728474 | +1 312-372-8474 Illinois U.S.A.
  • 3123728475 | +1 312-372-8475 Illinois U.S.A.
  • 3123728476 | +1 312-372-8476 Illinois U.S.A.
  • 3123728477 | +1 312-372-8477 Illinois U.S.A.
  • 3123728478 | +1 312-372-8478 Illinois U.S.A.
  • 3123728479 | +1 312-372-8479 Illinois U.S.A.
  • 3123728480 | +1 312-372-8480 Illinois U.S.A.
  • 3123728481 | +1 312-372-8481 Illinois U.S.A.
  • 3123728482 | +1 312-372-8482 Illinois U.S.A.
  • 3123728483 | +1 312-372-8483 Illinois U.S.A.
  • 3123728484 | +1 312-372-8484 Illinois U.S.A.
  • 3123728485 | +1 312-372-8485 Illinois U.S.A.
  • 3123728486 | +1 312-372-8486 Illinois U.S.A.
  • 3123728487 | +1 312-372-8487 Illinois U.S.A.
  • 3123728488 | +1 312-372-8488 Illinois U.S.A.
  • 3123728489 | +1 312-372-8489 Illinois U.S.A.
  • 3123728490 | +1 312-372-8490 Illinois U.S.A.
  • 3123728491 | +1 312-372-8491 Illinois U.S.A.
  • 3123728492 | +1 312-372-8492 Illinois U.S.A.
  • 3123728493 | +1 312-372-8493 Illinois U.S.A.
  • 3123728494 | +1 312-372-8494 Illinois U.S.A.
  • 3123728495 | +1 312-372-8495 Illinois U.S.A.
  • 3123728496 | +1 312-372-8496 Illinois U.S.A.
  • 3123728497 | +1 312-372-8497 Illinois U.S.A.
  • 3123728498 | +1 312-372-8498 Illinois U.S.A.
  • 3123728499 | +1 312-372-8499 Illinois U.S.A.