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).

  • 3123412700 | +1 312-341-2700 Illinois U.S.A.
  • 3123412701 | +1 312-341-2701 Illinois U.S.A.
  • 3123412702 | +1 312-341-2702 Illinois U.S.A.
  • 3123412703 | +1 312-341-2703 Illinois U.S.A.
  • 3123412704 | +1 312-341-2704 Illinois U.S.A.
  • 3123412705 | +1 312-341-2705 Illinois U.S.A.
  • 3123412706 | +1 312-341-2706 Illinois U.S.A.
  • 3123412707 | +1 312-341-2707 Illinois U.S.A.
  • 3123412708 | +1 312-341-2708 Illinois U.S.A.
  • 3123412709 | +1 312-341-2709 Illinois U.S.A.
  • 3123412710 | +1 312-341-2710 Illinois U.S.A.
  • 3123412711 | +1 312-341-2711 Illinois U.S.A.
  • 3123412712 | +1 312-341-2712 Illinois U.S.A.
  • 3123412713 | +1 312-341-2713 Illinois U.S.A.
  • 3123412714 | +1 312-341-2714 Illinois U.S.A.
  • 3123412715 | +1 312-341-2715 Illinois U.S.A.
  • 3123412716 | +1 312-341-2716 Illinois U.S.A.
  • 3123412717 | +1 312-341-2717 Illinois U.S.A.
  • 3123412718 | +1 312-341-2718 Illinois U.S.A.
  • 3123412719 | +1 312-341-2719 Illinois U.S.A.
  • 3123412720 | +1 312-341-2720 Illinois U.S.A.
  • 3123412721 | +1 312-341-2721 Illinois U.S.A.
  • 3123412722 | +1 312-341-2722 Illinois U.S.A.
  • 3123412723 | +1 312-341-2723 Illinois U.S.A.
  • 3123412724 | +1 312-341-2724 Illinois U.S.A.
  • 3123412725 | +1 312-341-2725 Illinois U.S.A.
  • 3123412726 | +1 312-341-2726 Illinois U.S.A.
  • 3123412727 | +1 312-341-2727 Illinois U.S.A.
  • 3123412728 | +1 312-341-2728 Illinois U.S.A.
  • 3123412729 | +1 312-341-2729 Illinois U.S.A.
  • 3123412730 | +1 312-341-2730 Illinois U.S.A.
  • 3123412731 | +1 312-341-2731 Illinois U.S.A.
  • 3123412732 | +1 312-341-2732 Illinois U.S.A.
  • 3123412733 | +1 312-341-2733 Illinois U.S.A.
  • 3123412734 | +1 312-341-2734 Illinois U.S.A.
  • 3123412735 | +1 312-341-2735 Illinois U.S.A.
  • 3123412736 | +1 312-341-2736 Illinois U.S.A.
  • 3123412737 | +1 312-341-2737 Illinois U.S.A.
  • 3123412738 | +1 312-341-2738 Illinois U.S.A.
  • 3123412739 | +1 312-341-2739 Illinois U.S.A.
  • 3123412740 | +1 312-341-2740 Illinois U.S.A.
  • 3123412741 | +1 312-341-2741 Illinois U.S.A.
  • 3123412742 | +1 312-341-2742 Illinois U.S.A.
  • 3123412743 | +1 312-341-2743 Illinois U.S.A.
  • 3123412744 | +1 312-341-2744 Illinois U.S.A.
  • 3123412745 | +1 312-341-2745 Illinois U.S.A.
  • 3123412746 | +1 312-341-2746 Illinois U.S.A.
  • 3123412747 | +1 312-341-2747 Illinois U.S.A.
  • 3123412748 | +1 312-341-2748 Illinois U.S.A.
  • 3123412749 | +1 312-341-2749 Illinois U.S.A.
  • 3123412750 | +1 312-341-2750 Illinois U.S.A.
  • 3123412751 | +1 312-341-2751 Illinois U.S.A.
  • 3123412752 | +1 312-341-2752 Illinois U.S.A.
  • 3123412753 | +1 312-341-2753 Illinois U.S.A.
  • 3123412754 | +1 312-341-2754 Illinois U.S.A.
  • 3123412755 | +1 312-341-2755 Illinois U.S.A.
  • 3123412756 | +1 312-341-2756 Illinois U.S.A.
  • 3123412757 | +1 312-341-2757 Illinois U.S.A.
  • 3123412758 | +1 312-341-2758 Illinois U.S.A.
  • 3123412759 | +1 312-341-2759 Illinois U.S.A.
  • 3123412760 | +1 312-341-2760 Illinois U.S.A.
  • 3123412761 | +1 312-341-2761 Illinois U.S.A.
  • 3123412762 | +1 312-341-2762 Illinois U.S.A.
  • 3123412763 | +1 312-341-2763 Illinois U.S.A.
  • 3123412764 | +1 312-341-2764 Illinois U.S.A.
  • 3123412765 | +1 312-341-2765 Illinois U.S.A.
  • 3123412766 | +1 312-341-2766 Illinois U.S.A.
  • 3123412767 | +1 312-341-2767 Illinois U.S.A.
  • 3123412768 | +1 312-341-2768 Illinois U.S.A.
  • 3123412769 | +1 312-341-2769 Illinois U.S.A.
  • 3123412770 | +1 312-341-2770 Illinois U.S.A.
  • 3123412771 | +1 312-341-2771 Illinois U.S.A.
  • 3123412772 | +1 312-341-2772 Illinois U.S.A.
  • 3123412773 | +1 312-341-2773 Illinois U.S.A.
  • 3123412774 | +1 312-341-2774 Illinois U.S.A.
  • 3123412775 | +1 312-341-2775 Illinois U.S.A.
  • 3123412776 | +1 312-341-2776 Illinois U.S.A.
  • 3123412777 | +1 312-341-2777 Illinois U.S.A.
  • 3123412778 | +1 312-341-2778 Illinois U.S.A.
  • 3123412779 | +1 312-341-2779 Illinois U.S.A.
  • 3123412780 | +1 312-341-2780 Illinois U.S.A.
  • 3123412781 | +1 312-341-2781 Illinois U.S.A.
  • 3123412782 | +1 312-341-2782 Illinois U.S.A.
  • 3123412783 | +1 312-341-2783 Illinois U.S.A.
  • 3123412784 | +1 312-341-2784 Illinois U.S.A.
  • 3123412785 | +1 312-341-2785 Illinois U.S.A.
  • 3123412786 | +1 312-341-2786 Illinois U.S.A.
  • 3123412787 | +1 312-341-2787 Illinois U.S.A.
  • 3123412788 | +1 312-341-2788 Illinois U.S.A.
  • 3123412789 | +1 312-341-2789 Illinois U.S.A.
  • 3123412790 | +1 312-341-2790 Illinois U.S.A.
  • 3123412791 | +1 312-341-2791 Illinois U.S.A.
  • 3123412792 | +1 312-341-2792 Illinois U.S.A.
  • 3123412793 | +1 312-341-2793 Illinois U.S.A.
  • 3123412794 | +1 312-341-2794 Illinois U.S.A.
  • 3123412795 | +1 312-341-2795 Illinois U.S.A.
  • 3123412796 | +1 312-341-2796 Illinois U.S.A.
  • 3123412797 | +1 312-341-2797 Illinois U.S.A.
  • 3123412798 | +1 312-341-2798 Illinois U.S.A.
  • 3123412799 | +1 312-341-2799 Illinois U.S.A.