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).

  • 3129779600 | +1 312-977-9600 Illinois U.S.A.
  • 3129779601 | +1 312-977-9601 Illinois U.S.A.
  • 3129779602 | +1 312-977-9602 Illinois U.S.A.
  • 3129779603 | +1 312-977-9603 Illinois U.S.A.
  • 3129779604 | +1 312-977-9604 Illinois U.S.A.
  • 3129779605 | +1 312-977-9605 Illinois U.S.A.
  • 3129779606 | +1 312-977-9606 Illinois U.S.A.
  • 3129779607 | +1 312-977-9607 Illinois U.S.A.
  • 3129779608 | +1 312-977-9608 Illinois U.S.A.
  • 3129779609 | +1 312-977-9609 Illinois U.S.A.
  • 3129779610 | +1 312-977-9610 Illinois U.S.A.
  • 3129779611 | +1 312-977-9611 Illinois U.S.A.
  • 3129779612 | +1 312-977-9612 Illinois U.S.A.
  • 3129779613 | +1 312-977-9613 Illinois U.S.A.
  • 3129779614 | +1 312-977-9614 Illinois U.S.A.
  • 3129779615 | +1 312-977-9615 Illinois U.S.A.
  • 3129779616 | +1 312-977-9616 Illinois U.S.A.
  • 3129779617 | +1 312-977-9617 Illinois U.S.A.
  • 3129779618 | +1 312-977-9618 Illinois U.S.A.
  • 3129779619 | +1 312-977-9619 Illinois U.S.A.
  • 3129779620 | +1 312-977-9620 Illinois U.S.A.
  • 3129779621 | +1 312-977-9621 Illinois U.S.A.
  • 3129779622 | +1 312-977-9622 Illinois U.S.A.
  • 3129779623 | +1 312-977-9623 Illinois U.S.A.
  • 3129779624 | +1 312-977-9624 Illinois U.S.A.
  • 3129779625 | +1 312-977-9625 Illinois U.S.A.
  • 3129779626 | +1 312-977-9626 Illinois U.S.A.
  • 3129779627 | +1 312-977-9627 Illinois U.S.A.
  • 3129779628 | +1 312-977-9628 Illinois U.S.A.
  • 3129779629 | +1 312-977-9629 Illinois U.S.A.
  • 3129779630 | +1 312-977-9630 Illinois U.S.A.
  • 3129779631 | +1 312-977-9631 Illinois U.S.A.
  • 3129779632 | +1 312-977-9632 Illinois U.S.A.
  • 3129779633 | +1 312-977-9633 Illinois U.S.A.
  • 3129779634 | +1 312-977-9634 Illinois U.S.A.
  • 3129779635 | +1 312-977-9635 Illinois U.S.A.
  • 3129779636 | +1 312-977-9636 Illinois U.S.A.
  • 3129779637 | +1 312-977-9637 Illinois U.S.A.
  • 3129779638 | +1 312-977-9638 Illinois U.S.A.
  • 3129779639 | +1 312-977-9639 Illinois U.S.A.
  • 3129779640 | +1 312-977-9640 Illinois U.S.A.
  • 3129779641 | +1 312-977-9641 Illinois U.S.A.
  • 3129779642 | +1 312-977-9642 Illinois U.S.A.
  • 3129779643 | +1 312-977-9643 Illinois U.S.A.
  • 3129779644 | +1 312-977-9644 Illinois U.S.A.
  • 3129779645 | +1 312-977-9645 Illinois U.S.A.
  • 3129779646 | +1 312-977-9646 Illinois U.S.A.
  • 3129779647 | +1 312-977-9647 Illinois U.S.A.
  • 3129779648 | +1 312-977-9648 Illinois U.S.A.
  • 3129779649 | +1 312-977-9649 Illinois U.S.A.
  • 3129779650 | +1 312-977-9650 Illinois U.S.A.
  • 3129779651 | +1 312-977-9651 Illinois U.S.A.
  • 3129779652 | +1 312-977-9652 Illinois U.S.A.
  • 3129779653 | +1 312-977-9653 Illinois U.S.A.
  • 3129779654 | +1 312-977-9654 Illinois U.S.A.
  • 3129779655 | +1 312-977-9655 Illinois U.S.A.
  • 3129779656 | +1 312-977-9656 Illinois U.S.A.
  • 3129779657 | +1 312-977-9657 Illinois U.S.A.
  • 3129779658 | +1 312-977-9658 Illinois U.S.A.
  • 3129779659 | +1 312-977-9659 Illinois U.S.A.
  • 3129779660 | +1 312-977-9660 Illinois U.S.A.
  • 3129779661 | +1 312-977-9661 Illinois U.S.A.
  • 3129779662 | +1 312-977-9662 Illinois U.S.A.
  • 3129779663 | +1 312-977-9663 Illinois U.S.A.
  • 3129779664 | +1 312-977-9664 Illinois U.S.A.
  • 3129779665 | +1 312-977-9665 Illinois U.S.A.
  • 3129779666 | +1 312-977-9666 Illinois U.S.A.
  • 3129779667 | +1 312-977-9667 Illinois U.S.A.
  • 3129779668 | +1 312-977-9668 Illinois U.S.A.
  • 3129779669 | +1 312-977-9669 Illinois U.S.A.
  • 3129779670 | +1 312-977-9670 Illinois U.S.A.
  • 3129779671 | +1 312-977-9671 Illinois U.S.A.
  • 3129779672 | +1 312-977-9672 Illinois U.S.A.
  • 3129779673 | +1 312-977-9673 Illinois U.S.A.
  • 3129779674 | +1 312-977-9674 Illinois U.S.A.
  • 3129779675 | +1 312-977-9675 Illinois U.S.A.
  • 3129779676 | +1 312-977-9676 Illinois U.S.A.
  • 3129779677 | +1 312-977-9677 Illinois U.S.A.
  • 3129779678 | +1 312-977-9678 Illinois U.S.A.
  • 3129779679 | +1 312-977-9679 Illinois U.S.A.
  • 3129779680 | +1 312-977-9680 Illinois U.S.A.
  • 3129779681 | +1 312-977-9681 Illinois U.S.A.
  • 3129779682 | +1 312-977-9682 Illinois U.S.A.
  • 3129779683 | +1 312-977-9683 Illinois U.S.A.
  • 3129779684 | +1 312-977-9684 Illinois U.S.A.
  • 3129779685 | +1 312-977-9685 Illinois U.S.A.
  • 3129779686 | +1 312-977-9686 Illinois U.S.A.
  • 3129779687 | +1 312-977-9687 Illinois U.S.A.
  • 3129779688 | +1 312-977-9688 Illinois U.S.A.
  • 3129779689 | +1 312-977-9689 Illinois U.S.A.
  • 3129779690 | +1 312-977-9690 Illinois U.S.A.
  • 3129779691 | +1 312-977-9691 Illinois U.S.A.
  • 3129779692 | +1 312-977-9692 Illinois U.S.A.
  • 3129779693 | +1 312-977-9693 Illinois U.S.A.
  • 3129779694 | +1 312-977-9694 Illinois U.S.A.
  • 3129779695 | +1 312-977-9695 Illinois U.S.A.
  • 3129779696 | +1 312-977-9696 Illinois U.S.A.
  • 3129779697 | +1 312-977-9697 Illinois U.S.A.
  • 3129779698 | +1 312-977-9698 Illinois U.S.A.
  • 3129779699 | +1 312-977-9699 Illinois U.S.A.