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).

  • 3123338400 | +1 312-333-8400 Illinois U.S.A.
  • 3123338401 | +1 312-333-8401 Illinois U.S.A.
  • 3123338402 | +1 312-333-8402 Illinois U.S.A.
  • 3123338403 | +1 312-333-8403 Illinois U.S.A.
  • 3123338404 | +1 312-333-8404 Illinois U.S.A.
  • 3123338405 | +1 312-333-8405 Illinois U.S.A.
  • 3123338406 | +1 312-333-8406 Illinois U.S.A.
  • 3123338407 | +1 312-333-8407 Illinois U.S.A.
  • 3123338408 | +1 312-333-8408 Illinois U.S.A.
  • 3123338409 | +1 312-333-8409 Illinois U.S.A.
  • 3123338410 | +1 312-333-8410 Illinois U.S.A.
  • 3123338411 | +1 312-333-8411 Illinois U.S.A.
  • 3123338412 | +1 312-333-8412 Illinois U.S.A.
  • 3123338413 | +1 312-333-8413 Illinois U.S.A.
  • 3123338414 | +1 312-333-8414 Illinois U.S.A.
  • 3123338415 | +1 312-333-8415 Illinois U.S.A.
  • 3123338416 | +1 312-333-8416 Illinois U.S.A.
  • 3123338417 | +1 312-333-8417 Illinois U.S.A.
  • 3123338418 | +1 312-333-8418 Illinois U.S.A.
  • 3123338419 | +1 312-333-8419 Illinois U.S.A.
  • 3123338420 | +1 312-333-8420 Illinois U.S.A.
  • 3123338421 | +1 312-333-8421 Illinois U.S.A.
  • 3123338422 | +1 312-333-8422 Illinois U.S.A.
  • 3123338423 | +1 312-333-8423 Illinois U.S.A.
  • 3123338424 | +1 312-333-8424 Illinois U.S.A.
  • 3123338425 | +1 312-333-8425 Illinois U.S.A.
  • 3123338426 | +1 312-333-8426 Illinois U.S.A.
  • 3123338427 | +1 312-333-8427 Illinois U.S.A.
  • 3123338428 | +1 312-333-8428 Illinois U.S.A.
  • 3123338429 | +1 312-333-8429 Illinois U.S.A.
  • 3123338430 | +1 312-333-8430 Illinois U.S.A.
  • 3123338431 | +1 312-333-8431 Illinois U.S.A.
  • 3123338432 | +1 312-333-8432 Illinois U.S.A.
  • 3123338433 | +1 312-333-8433 Illinois U.S.A.
  • 3123338434 | +1 312-333-8434 Illinois U.S.A.
  • 3123338435 | +1 312-333-8435 Illinois U.S.A.
  • 3123338436 | +1 312-333-8436 Illinois U.S.A.
  • 3123338437 | +1 312-333-8437 Illinois U.S.A.
  • 3123338438 | +1 312-333-8438 Illinois U.S.A.
  • 3123338439 | +1 312-333-8439 Illinois U.S.A.
  • 3123338440 | +1 312-333-8440 Illinois U.S.A.
  • 3123338441 | +1 312-333-8441 Illinois U.S.A.
  • 3123338442 | +1 312-333-8442 Illinois U.S.A.
  • 3123338443 | +1 312-333-8443 Illinois U.S.A.
  • 3123338444 | +1 312-333-8444 Illinois U.S.A.
  • 3123338445 | +1 312-333-8445 Illinois U.S.A.
  • 3123338446 | +1 312-333-8446 Illinois U.S.A.
  • 3123338447 | +1 312-333-8447 Illinois U.S.A.
  • 3123338448 | +1 312-333-8448 Illinois U.S.A.
  • 3123338449 | +1 312-333-8449 Illinois U.S.A.
  • 3123338450 | +1 312-333-8450 Illinois U.S.A.
  • 3123338451 | +1 312-333-8451 Illinois U.S.A.
  • 3123338452 | +1 312-333-8452 Illinois U.S.A.
  • 3123338453 | +1 312-333-8453 Illinois U.S.A.
  • 3123338454 | +1 312-333-8454 Illinois U.S.A.
  • 3123338455 | +1 312-333-8455 Illinois U.S.A.
  • 3123338456 | +1 312-333-8456 Illinois U.S.A.
  • 3123338457 | +1 312-333-8457 Illinois U.S.A.
  • 3123338458 | +1 312-333-8458 Illinois U.S.A.
  • 3123338459 | +1 312-333-8459 Illinois U.S.A.
  • 3123338460 | +1 312-333-8460 Illinois U.S.A.
  • 3123338461 | +1 312-333-8461 Illinois U.S.A.
  • 3123338462 | +1 312-333-8462 Illinois U.S.A.
  • 3123338463 | +1 312-333-8463 Illinois U.S.A.
  • 3123338464 | +1 312-333-8464 Illinois U.S.A.
  • 3123338465 | +1 312-333-8465 Illinois U.S.A.
  • 3123338466 | +1 312-333-8466 Illinois U.S.A.
  • 3123338467 | +1 312-333-8467 Illinois U.S.A.
  • 3123338468 | +1 312-333-8468 Illinois U.S.A.
  • 3123338469 | +1 312-333-8469 Illinois U.S.A.
  • 3123338470 | +1 312-333-8470 Illinois U.S.A.
  • 3123338471 | +1 312-333-8471 Illinois U.S.A.
  • 3123338472 | +1 312-333-8472 Illinois U.S.A.
  • 3123338473 | +1 312-333-8473 Illinois U.S.A.
  • 3123338474 | +1 312-333-8474 Illinois U.S.A.
  • 3123338475 | +1 312-333-8475 Illinois U.S.A.
  • 3123338476 | +1 312-333-8476 Illinois U.S.A.
  • 3123338477 | +1 312-333-8477 Illinois U.S.A.
  • 3123338478 | +1 312-333-8478 Illinois U.S.A.
  • 3123338479 | +1 312-333-8479 Illinois U.S.A.
  • 3123338480 | +1 312-333-8480 Illinois U.S.A.
  • 3123338481 | +1 312-333-8481 Illinois U.S.A.
  • 3123338482 | +1 312-333-8482 Illinois U.S.A.
  • 3123338483 | +1 312-333-8483 Illinois U.S.A.
  • 3123338484 | +1 312-333-8484 Illinois U.S.A.
  • 3123338485 | +1 312-333-8485 Illinois U.S.A.
  • 3123338486 | +1 312-333-8486 Illinois U.S.A.
  • 3123338487 | +1 312-333-8487 Illinois U.S.A.
  • 3123338488 | +1 312-333-8488 Illinois U.S.A.
  • 3123338489 | +1 312-333-8489 Illinois U.S.A.
  • 3123338490 | +1 312-333-8490 Illinois U.S.A.
  • 3123338491 | +1 312-333-8491 Illinois U.S.A.
  • 3123338492 | +1 312-333-8492 Illinois U.S.A.
  • 3123338493 | +1 312-333-8493 Illinois U.S.A.
  • 3123338494 | +1 312-333-8494 Illinois U.S.A.
  • 3123338495 | +1 312-333-8495 Illinois U.S.A.
  • 3123338496 | +1 312-333-8496 Illinois U.S.A.
  • 3123338497 | +1 312-333-8497 Illinois U.S.A.
  • 3123338498 | +1 312-333-8498 Illinois U.S.A.
  • 3123338499 | +1 312-333-8499 Illinois U.S.A.