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).

  • 3127558400 | +1 312-755-8400 Illinois U.S.A.
  • 3127558401 | +1 312-755-8401 Illinois U.S.A.
  • 3127558402 | +1 312-755-8402 Illinois U.S.A.
  • 3127558403 | +1 312-755-8403 Illinois U.S.A.
  • 3127558404 | +1 312-755-8404 Illinois U.S.A.
  • 3127558405 | +1 312-755-8405 Illinois U.S.A.
  • 3127558406 | +1 312-755-8406 Illinois U.S.A.
  • 3127558407 | +1 312-755-8407 Illinois U.S.A.
  • 3127558408 | +1 312-755-8408 Illinois U.S.A.
  • 3127558409 | +1 312-755-8409 Illinois U.S.A.
  • 3127558410 | +1 312-755-8410 Illinois U.S.A.
  • 3127558411 | +1 312-755-8411 Illinois U.S.A.
  • 3127558412 | +1 312-755-8412 Illinois U.S.A.
  • 3127558413 | +1 312-755-8413 Illinois U.S.A.
  • 3127558414 | +1 312-755-8414 Illinois U.S.A.
  • 3127558415 | +1 312-755-8415 Illinois U.S.A.
  • 3127558416 | +1 312-755-8416 Illinois U.S.A.
  • 3127558417 | +1 312-755-8417 Illinois U.S.A.
  • 3127558418 | +1 312-755-8418 Illinois U.S.A.
  • 3127558419 | +1 312-755-8419 Illinois U.S.A.
  • 3127558420 | +1 312-755-8420 Illinois U.S.A.
  • 3127558421 | +1 312-755-8421 Illinois U.S.A.
  • 3127558422 | +1 312-755-8422 Illinois U.S.A.
  • 3127558423 | +1 312-755-8423 Illinois U.S.A.
  • 3127558424 | +1 312-755-8424 Illinois U.S.A.
  • 3127558425 | +1 312-755-8425 Illinois U.S.A.
  • 3127558426 | +1 312-755-8426 Illinois U.S.A.
  • 3127558427 | +1 312-755-8427 Illinois U.S.A.
  • 3127558428 | +1 312-755-8428 Illinois U.S.A.
  • 3127558429 | +1 312-755-8429 Illinois U.S.A.
  • 3127558430 | +1 312-755-8430 Illinois U.S.A.
  • 3127558431 | +1 312-755-8431 Illinois U.S.A.
  • 3127558432 | +1 312-755-8432 Illinois U.S.A.
  • 3127558433 | +1 312-755-8433 Illinois U.S.A.
  • 3127558434 | +1 312-755-8434 Illinois U.S.A.
  • 3127558435 | +1 312-755-8435 Illinois U.S.A.
  • 3127558436 | +1 312-755-8436 Illinois U.S.A.
  • 3127558437 | +1 312-755-8437 Illinois U.S.A.
  • 3127558438 | +1 312-755-8438 Illinois U.S.A.
  • 3127558439 | +1 312-755-8439 Illinois U.S.A.
  • 3127558440 | +1 312-755-8440 Illinois U.S.A.
  • 3127558441 | +1 312-755-8441 Illinois U.S.A.
  • 3127558442 | +1 312-755-8442 Illinois U.S.A.
  • 3127558443 | +1 312-755-8443 Illinois U.S.A.
  • 3127558444 | +1 312-755-8444 Illinois U.S.A.
  • 3127558445 | +1 312-755-8445 Illinois U.S.A.
  • 3127558446 | +1 312-755-8446 Illinois U.S.A.
  • 3127558447 | +1 312-755-8447 Illinois U.S.A.
  • 3127558448 | +1 312-755-8448 Illinois U.S.A.
  • 3127558449 | +1 312-755-8449 Illinois U.S.A.
  • 3127558450 | +1 312-755-8450 Illinois U.S.A.
  • 3127558451 | +1 312-755-8451 Illinois U.S.A.
  • 3127558452 | +1 312-755-8452 Illinois U.S.A.
  • 3127558453 | +1 312-755-8453 Illinois U.S.A.
  • 3127558454 | +1 312-755-8454 Illinois U.S.A.
  • 3127558455 | +1 312-755-8455 Illinois U.S.A.
  • 3127558456 | +1 312-755-8456 Illinois U.S.A.
  • 3127558457 | +1 312-755-8457 Illinois U.S.A.
  • 3127558458 | +1 312-755-8458 Illinois U.S.A.
  • 3127558459 | +1 312-755-8459 Illinois U.S.A.
  • 3127558460 | +1 312-755-8460 Illinois U.S.A.
  • 3127558461 | +1 312-755-8461 Illinois U.S.A.
  • 3127558462 | +1 312-755-8462 Illinois U.S.A.
  • 3127558463 | +1 312-755-8463 Illinois U.S.A.
  • 3127558464 | +1 312-755-8464 Illinois U.S.A.
  • 3127558465 | +1 312-755-8465 Illinois U.S.A.
  • 3127558466 | +1 312-755-8466 Illinois U.S.A.
  • 3127558467 | +1 312-755-8467 Illinois U.S.A.
  • 3127558468 | +1 312-755-8468 Illinois U.S.A.
  • 3127558469 | +1 312-755-8469 Illinois U.S.A.
  • 3127558470 | +1 312-755-8470 Illinois U.S.A.
  • 3127558471 | +1 312-755-8471 Illinois U.S.A.
  • 3127558472 | +1 312-755-8472 Illinois U.S.A.
  • 3127558473 | +1 312-755-8473 Illinois U.S.A.
  • 3127558474 | +1 312-755-8474 Illinois U.S.A.
  • 3127558475 | +1 312-755-8475 Illinois U.S.A.
  • 3127558476 | +1 312-755-8476 Illinois U.S.A.
  • 3127558477 | +1 312-755-8477 Illinois U.S.A.
  • 3127558478 | +1 312-755-8478 Illinois U.S.A.
  • 3127558479 | +1 312-755-8479 Illinois U.S.A.
  • 3127558480 | +1 312-755-8480 Illinois U.S.A.
  • 3127558481 | +1 312-755-8481 Illinois U.S.A.
  • 3127558482 | +1 312-755-8482 Illinois U.S.A.
  • 3127558483 | +1 312-755-8483 Illinois U.S.A.
  • 3127558484 | +1 312-755-8484 Illinois U.S.A.
  • 3127558485 | +1 312-755-8485 Illinois U.S.A.
  • 3127558486 | +1 312-755-8486 Illinois U.S.A.
  • 3127558487 | +1 312-755-8487 Illinois U.S.A.
  • 3127558488 | +1 312-755-8488 Illinois U.S.A.
  • 3127558489 | +1 312-755-8489 Illinois U.S.A.
  • 3127558490 | +1 312-755-8490 Illinois U.S.A.
  • 3127558491 | +1 312-755-8491 Illinois U.S.A.
  • 3127558492 | +1 312-755-8492 Illinois U.S.A.
  • 3127558493 | +1 312-755-8493 Illinois U.S.A.
  • 3127558494 | +1 312-755-8494 Illinois U.S.A.
  • 3127558495 | +1 312-755-8495 Illinois U.S.A.
  • 3127558496 | +1 312-755-8496 Illinois U.S.A.
  • 3127558497 | +1 312-755-8497 Illinois U.S.A.
  • 3127558498 | +1 312-755-8498 Illinois U.S.A.
  • 3127558499 | +1 312-755-8499 Illinois U.S.A.