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).

  • 3129216600 | +1 312-921-6600 Illinois U.S.A.
  • 3129216601 | +1 312-921-6601 Illinois U.S.A.
  • 3129216602 | +1 312-921-6602 Illinois U.S.A.
  • 3129216603 | +1 312-921-6603 Illinois U.S.A.
  • 3129216604 | +1 312-921-6604 Illinois U.S.A.
  • 3129216605 | +1 312-921-6605 Illinois U.S.A.
  • 3129216606 | +1 312-921-6606 Illinois U.S.A.
  • 3129216607 | +1 312-921-6607 Illinois U.S.A.
  • 3129216608 | +1 312-921-6608 Illinois U.S.A.
  • 3129216609 | +1 312-921-6609 Illinois U.S.A.
  • 3129216610 | +1 312-921-6610 Illinois U.S.A.
  • 3129216611 | +1 312-921-6611 Illinois U.S.A.
  • 3129216612 | +1 312-921-6612 Illinois U.S.A.
  • 3129216613 | +1 312-921-6613 Illinois U.S.A.
  • 3129216614 | +1 312-921-6614 Illinois U.S.A.
  • 3129216615 | +1 312-921-6615 Illinois U.S.A.
  • 3129216616 | +1 312-921-6616 Illinois U.S.A.
  • 3129216617 | +1 312-921-6617 Illinois U.S.A.
  • 3129216618 | +1 312-921-6618 Illinois U.S.A.
  • 3129216619 | +1 312-921-6619 Illinois U.S.A.
  • 3129216620 | +1 312-921-6620 Illinois U.S.A.
  • 3129216621 | +1 312-921-6621 Illinois U.S.A.
  • 3129216622 | +1 312-921-6622 Illinois U.S.A.
  • 3129216623 | +1 312-921-6623 Illinois U.S.A.
  • 3129216624 | +1 312-921-6624 Illinois U.S.A.
  • 3129216625 | +1 312-921-6625 Illinois U.S.A.
  • 3129216626 | +1 312-921-6626 Illinois U.S.A.
  • 3129216627 | +1 312-921-6627 Illinois U.S.A.
  • 3129216628 | +1 312-921-6628 Illinois U.S.A.
  • 3129216629 | +1 312-921-6629 Illinois U.S.A.
  • 3129216630 | +1 312-921-6630 Illinois U.S.A.
  • 3129216631 | +1 312-921-6631 Illinois U.S.A.
  • 3129216632 | +1 312-921-6632 Illinois U.S.A.
  • 3129216633 | +1 312-921-6633 Illinois U.S.A.
  • 3129216634 | +1 312-921-6634 Illinois U.S.A.
  • 3129216635 | +1 312-921-6635 Illinois U.S.A.
  • 3129216636 | +1 312-921-6636 Illinois U.S.A.
  • 3129216637 | +1 312-921-6637 Illinois U.S.A.
  • 3129216638 | +1 312-921-6638 Illinois U.S.A.
  • 3129216639 | +1 312-921-6639 Illinois U.S.A.
  • 3129216640 | +1 312-921-6640 Illinois U.S.A.
  • 3129216641 | +1 312-921-6641 Illinois U.S.A.
  • 3129216642 | +1 312-921-6642 Illinois U.S.A.
  • 3129216643 | +1 312-921-6643 Illinois U.S.A.
  • 3129216644 | +1 312-921-6644 Illinois U.S.A.
  • 3129216645 | +1 312-921-6645 Illinois U.S.A.
  • 3129216646 | +1 312-921-6646 Illinois U.S.A.
  • 3129216647 | +1 312-921-6647 Illinois U.S.A.
  • 3129216648 | +1 312-921-6648 Illinois U.S.A.
  • 3129216649 | +1 312-921-6649 Illinois U.S.A.
  • 3129216650 | +1 312-921-6650 Illinois U.S.A.
  • 3129216651 | +1 312-921-6651 Illinois U.S.A.
  • 3129216652 | +1 312-921-6652 Illinois U.S.A.
  • 3129216653 | +1 312-921-6653 Illinois U.S.A.
  • 3129216654 | +1 312-921-6654 Illinois U.S.A.
  • 3129216655 | +1 312-921-6655 Illinois U.S.A.
  • 3129216656 | +1 312-921-6656 Illinois U.S.A.
  • 3129216657 | +1 312-921-6657 Illinois U.S.A.
  • 3129216658 | +1 312-921-6658 Illinois U.S.A.
  • 3129216659 | +1 312-921-6659 Illinois U.S.A.
  • 3129216660 | +1 312-921-6660 Illinois U.S.A.
  • 3129216661 | +1 312-921-6661 Illinois U.S.A.
  • 3129216662 | +1 312-921-6662 Illinois U.S.A.
  • 3129216663 | +1 312-921-6663 Illinois U.S.A.
  • 3129216664 | +1 312-921-6664 Illinois U.S.A.
  • 3129216665 | +1 312-921-6665 Illinois U.S.A.
  • 3129216666 | +1 312-921-6666 Illinois U.S.A.
  • 3129216667 | +1 312-921-6667 Illinois U.S.A.
  • 3129216668 | +1 312-921-6668 Illinois U.S.A.
  • 3129216669 | +1 312-921-6669 Illinois U.S.A.
  • 3129216670 | +1 312-921-6670 Illinois U.S.A.
  • 3129216671 | +1 312-921-6671 Illinois U.S.A.
  • 3129216672 | +1 312-921-6672 Illinois U.S.A.
  • 3129216673 | +1 312-921-6673 Illinois U.S.A.
  • 3129216674 | +1 312-921-6674 Illinois U.S.A.
  • 3129216675 | +1 312-921-6675 Illinois U.S.A.
  • 3129216676 | +1 312-921-6676 Illinois U.S.A.
  • 3129216677 | +1 312-921-6677 Illinois U.S.A.
  • 3129216678 | +1 312-921-6678 Illinois U.S.A.
  • 3129216679 | +1 312-921-6679 Illinois U.S.A.
  • 3129216680 | +1 312-921-6680 Illinois U.S.A.
  • 3129216681 | +1 312-921-6681 Illinois U.S.A.
  • 3129216682 | +1 312-921-6682 Illinois U.S.A.
  • 3129216683 | +1 312-921-6683 Illinois U.S.A.
  • 3129216684 | +1 312-921-6684 Illinois U.S.A.
  • 3129216685 | +1 312-921-6685 Illinois U.S.A.
  • 3129216686 | +1 312-921-6686 Illinois U.S.A.
  • 3129216687 | +1 312-921-6687 Illinois U.S.A.
  • 3129216688 | +1 312-921-6688 Illinois U.S.A.
  • 3129216689 | +1 312-921-6689 Illinois U.S.A.
  • 3129216690 | +1 312-921-6690 Illinois U.S.A.
  • 3129216691 | +1 312-921-6691 Illinois U.S.A.
  • 3129216692 | +1 312-921-6692 Illinois U.S.A.
  • 3129216693 | +1 312-921-6693 Illinois U.S.A.
  • 3129216694 | +1 312-921-6694 Illinois U.S.A.
  • 3129216695 | +1 312-921-6695 Illinois U.S.A.
  • 3129216696 | +1 312-921-6696 Illinois U.S.A.
  • 3129216697 | +1 312-921-6697 Illinois U.S.A.
  • 3129216698 | +1 312-921-6698 Illinois U.S.A.
  • 3129216699 | +1 312-921-6699 Illinois U.S.A.