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).

  • 3124270500 | +1 312-427-0500 Illinois U.S.A.
  • 3124270501 | +1 312-427-0501 Illinois U.S.A.
  • 3124270502 | +1 312-427-0502 Illinois U.S.A.
  • 3124270503 | +1 312-427-0503 Illinois U.S.A.
  • 3124270504 | +1 312-427-0504 Illinois U.S.A.
  • 3124270505 | +1 312-427-0505 Illinois U.S.A.
  • 3124270506 | +1 312-427-0506 Illinois U.S.A.
  • 3124270507 | +1 312-427-0507 Illinois U.S.A.
  • 3124270508 | +1 312-427-0508 Illinois U.S.A.
  • 3124270509 | +1 312-427-0509 Illinois U.S.A.
  • 3124270510 | +1 312-427-0510 Illinois U.S.A.
  • 3124270511 | +1 312-427-0511 Illinois U.S.A.
  • 3124270512 | +1 312-427-0512 Illinois U.S.A.
  • 3124270513 | +1 312-427-0513 Illinois U.S.A.
  • 3124270514 | +1 312-427-0514 Illinois U.S.A.
  • 3124270515 | +1 312-427-0515 Illinois U.S.A.
  • 3124270516 | +1 312-427-0516 Illinois U.S.A.
  • 3124270517 | +1 312-427-0517 Illinois U.S.A.
  • 3124270518 | +1 312-427-0518 Illinois U.S.A.
  • 3124270519 | +1 312-427-0519 Illinois U.S.A.
  • 3124270520 | +1 312-427-0520 Illinois U.S.A.
  • 3124270521 | +1 312-427-0521 Illinois U.S.A.
  • 3124270522 | +1 312-427-0522 Illinois U.S.A.
  • 3124270523 | +1 312-427-0523 Illinois U.S.A.
  • 3124270524 | +1 312-427-0524 Illinois U.S.A.
  • 3124270525 | +1 312-427-0525 Illinois U.S.A.
  • 3124270526 | +1 312-427-0526 Illinois U.S.A.
  • 3124270527 | +1 312-427-0527 Illinois U.S.A.
  • 3124270528 | +1 312-427-0528 Illinois U.S.A.
  • 3124270529 | +1 312-427-0529 Illinois U.S.A.
  • 3124270530 | +1 312-427-0530 Illinois U.S.A.
  • 3124270531 | +1 312-427-0531 Illinois U.S.A.
  • 3124270532 | +1 312-427-0532 Illinois U.S.A.
  • 3124270533 | +1 312-427-0533 Illinois U.S.A.
  • 3124270534 | +1 312-427-0534 Illinois U.S.A.
  • 3124270535 | +1 312-427-0535 Illinois U.S.A.
  • 3124270536 | +1 312-427-0536 Illinois U.S.A.
  • 3124270537 | +1 312-427-0537 Illinois U.S.A.
  • 3124270538 | +1 312-427-0538 Illinois U.S.A.
  • 3124270539 | +1 312-427-0539 Illinois U.S.A.
  • 3124270540 | +1 312-427-0540 Illinois U.S.A.
  • 3124270541 | +1 312-427-0541 Illinois U.S.A.
  • 3124270542 | +1 312-427-0542 Illinois U.S.A.
  • 3124270543 | +1 312-427-0543 Illinois U.S.A.
  • 3124270544 | +1 312-427-0544 Illinois U.S.A.
  • 3124270545 | +1 312-427-0545 Illinois U.S.A.
  • 3124270546 | +1 312-427-0546 Illinois U.S.A.
  • 3124270547 | +1 312-427-0547 Illinois U.S.A.
  • 3124270548 | +1 312-427-0548 Illinois U.S.A.
  • 3124270549 | +1 312-427-0549 Illinois U.S.A.
  • 3124270550 | +1 312-427-0550 Illinois U.S.A.
  • 3124270551 | +1 312-427-0551 Illinois U.S.A.
  • 3124270552 | +1 312-427-0552 Illinois U.S.A.
  • 3124270553 | +1 312-427-0553 Illinois U.S.A.
  • 3124270554 | +1 312-427-0554 Illinois U.S.A.
  • 3124270555 | +1 312-427-0555 Illinois U.S.A.
  • 3124270556 | +1 312-427-0556 Illinois U.S.A.
  • 3124270557 | +1 312-427-0557 Illinois U.S.A.
  • 3124270558 | +1 312-427-0558 Illinois U.S.A.
  • 3124270559 | +1 312-427-0559 Illinois U.S.A.
  • 3124270560 | +1 312-427-0560 Illinois U.S.A.
  • 3124270561 | +1 312-427-0561 Illinois U.S.A.
  • 3124270562 | +1 312-427-0562 Illinois U.S.A.
  • 3124270563 | +1 312-427-0563 Illinois U.S.A.
  • 3124270564 | +1 312-427-0564 Illinois U.S.A.
  • 3124270565 | +1 312-427-0565 Illinois U.S.A.
  • 3124270566 | +1 312-427-0566 Illinois U.S.A.
  • 3124270567 | +1 312-427-0567 Illinois U.S.A.
  • 3124270568 | +1 312-427-0568 Illinois U.S.A.
  • 3124270569 | +1 312-427-0569 Illinois U.S.A.
  • 3124270570 | +1 312-427-0570 Illinois U.S.A.
  • 3124270571 | +1 312-427-0571 Illinois U.S.A.
  • 3124270572 | +1 312-427-0572 Illinois U.S.A.
  • 3124270573 | +1 312-427-0573 Illinois U.S.A.
  • 3124270574 | +1 312-427-0574 Illinois U.S.A.
  • 3124270575 | +1 312-427-0575 Illinois U.S.A.
  • 3124270576 | +1 312-427-0576 Illinois U.S.A.
  • 3124270577 | +1 312-427-0577 Illinois U.S.A.
  • 3124270578 | +1 312-427-0578 Illinois U.S.A.
  • 3124270579 | +1 312-427-0579 Illinois U.S.A.
  • 3124270580 | +1 312-427-0580 Illinois U.S.A.
  • 3124270581 | +1 312-427-0581 Illinois U.S.A.
  • 3124270582 | +1 312-427-0582 Illinois U.S.A.
  • 3124270583 | +1 312-427-0583 Illinois U.S.A.
  • 3124270584 | +1 312-427-0584 Illinois U.S.A.
  • 3124270585 | +1 312-427-0585 Illinois U.S.A.
  • 3124270586 | +1 312-427-0586 Illinois U.S.A.
  • 3124270587 | +1 312-427-0587 Illinois U.S.A.
  • 3124270588 | +1 312-427-0588 Illinois U.S.A.
  • 3124270589 | +1 312-427-0589 Illinois U.S.A.
  • 3124270590 | +1 312-427-0590 Illinois U.S.A.
  • 3124270591 | +1 312-427-0591 Illinois U.S.A.
  • 3124270592 | +1 312-427-0592 Illinois U.S.A.
  • 3124270593 | +1 312-427-0593 Illinois U.S.A.
  • 3124270594 | +1 312-427-0594 Illinois U.S.A.
  • 3124270595 | +1 312-427-0595 Illinois U.S.A.
  • 3124270596 | +1 312-427-0596 Illinois U.S.A.
  • 3124270597 | +1 312-427-0597 Illinois U.S.A.
  • 3124270598 | +1 312-427-0598 Illinois U.S.A.
  • 3124270599 | +1 312-427-0599 Illinois U.S.A.