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).

  • 3123067800 | +1 312-306-7800 Illinois U.S.A.
  • 3123067801 | +1 312-306-7801 Illinois U.S.A.
  • 3123067802 | +1 312-306-7802 Illinois U.S.A.
  • 3123067803 | +1 312-306-7803 Illinois U.S.A.
  • 3123067804 | +1 312-306-7804 Illinois U.S.A.
  • 3123067805 | +1 312-306-7805 Illinois U.S.A.
  • 3123067806 | +1 312-306-7806 Illinois U.S.A.
  • 3123067807 | +1 312-306-7807 Illinois U.S.A.
  • 3123067808 | +1 312-306-7808 Illinois U.S.A.
  • 3123067809 | +1 312-306-7809 Illinois U.S.A.
  • 3123067810 | +1 312-306-7810 Illinois U.S.A.
  • 3123067811 | +1 312-306-7811 Illinois U.S.A.
  • 3123067812 | +1 312-306-7812 Illinois U.S.A.
  • 3123067813 | +1 312-306-7813 Illinois U.S.A.
  • 3123067814 | +1 312-306-7814 Illinois U.S.A.
  • 3123067815 | +1 312-306-7815 Illinois U.S.A.
  • 3123067816 | +1 312-306-7816 Illinois U.S.A.
  • 3123067817 | +1 312-306-7817 Illinois U.S.A.
  • 3123067818 | +1 312-306-7818 Illinois U.S.A.
  • 3123067819 | +1 312-306-7819 Illinois U.S.A.
  • 3123067820 | +1 312-306-7820 Illinois U.S.A.
  • 3123067821 | +1 312-306-7821 Illinois U.S.A.
  • 3123067822 | +1 312-306-7822 Illinois U.S.A.
  • 3123067823 | +1 312-306-7823 Illinois U.S.A.
  • 3123067824 | +1 312-306-7824 Illinois U.S.A.
  • 3123067825 | +1 312-306-7825 Illinois U.S.A.
  • 3123067826 | +1 312-306-7826 Illinois U.S.A.
  • 3123067827 | +1 312-306-7827 Illinois U.S.A.
  • 3123067828 | +1 312-306-7828 Illinois U.S.A.
  • 3123067829 | +1 312-306-7829 Illinois U.S.A.
  • 3123067830 | +1 312-306-7830 Illinois U.S.A.
  • 3123067831 | +1 312-306-7831 Illinois U.S.A.
  • 3123067832 | +1 312-306-7832 Illinois U.S.A.
  • 3123067833 | +1 312-306-7833 Illinois U.S.A.
  • 3123067834 | +1 312-306-7834 Illinois U.S.A.
  • 3123067835 | +1 312-306-7835 Illinois U.S.A.
  • 3123067836 | +1 312-306-7836 Illinois U.S.A.
  • 3123067837 | +1 312-306-7837 Illinois U.S.A.
  • 3123067838 | +1 312-306-7838 Illinois U.S.A.
  • 3123067839 | +1 312-306-7839 Illinois U.S.A.
  • 3123067840 | +1 312-306-7840 Illinois U.S.A.
  • 3123067841 | +1 312-306-7841 Illinois U.S.A.
  • 3123067842 | +1 312-306-7842 Illinois U.S.A.
  • 3123067843 | +1 312-306-7843 Illinois U.S.A.
  • 3123067844 | +1 312-306-7844 Illinois U.S.A.
  • 3123067845 | +1 312-306-7845 Illinois U.S.A.
  • 3123067846 | +1 312-306-7846 Illinois U.S.A.
  • 3123067847 | +1 312-306-7847 Illinois U.S.A.
  • 3123067848 | +1 312-306-7848 Illinois U.S.A.
  • 3123067849 | +1 312-306-7849 Illinois U.S.A.
  • 3123067850 | +1 312-306-7850 Illinois U.S.A.
  • 3123067851 | +1 312-306-7851 Illinois U.S.A.
  • 3123067852 | +1 312-306-7852 Illinois U.S.A.
  • 3123067853 | +1 312-306-7853 Illinois U.S.A.
  • 3123067854 | +1 312-306-7854 Illinois U.S.A.
  • 3123067855 | +1 312-306-7855 Illinois U.S.A.
  • 3123067856 | +1 312-306-7856 Illinois U.S.A.
  • 3123067857 | +1 312-306-7857 Illinois U.S.A.
  • 3123067858 | +1 312-306-7858 Illinois U.S.A.
  • 3123067859 | +1 312-306-7859 Illinois U.S.A.
  • 3123067860 | +1 312-306-7860 Illinois U.S.A.
  • 3123067861 | +1 312-306-7861 Illinois U.S.A.
  • 3123067862 | +1 312-306-7862 Illinois U.S.A.
  • 3123067863 | +1 312-306-7863 Illinois U.S.A.
  • 3123067864 | +1 312-306-7864 Illinois U.S.A.
  • 3123067865 | +1 312-306-7865 Illinois U.S.A.
  • 3123067866 | +1 312-306-7866 Illinois U.S.A.
  • 3123067867 | +1 312-306-7867 Illinois U.S.A.
  • 3123067868 | +1 312-306-7868 Illinois U.S.A.
  • 3123067869 | +1 312-306-7869 Illinois U.S.A.
  • 3123067870 | +1 312-306-7870 Illinois U.S.A.
  • 3123067871 | +1 312-306-7871 Illinois U.S.A.
  • 3123067872 | +1 312-306-7872 Illinois U.S.A.
  • 3123067873 | +1 312-306-7873 Illinois U.S.A.
  • 3123067874 | +1 312-306-7874 Illinois U.S.A.
  • 3123067875 | +1 312-306-7875 Illinois U.S.A.
  • 3123067876 | +1 312-306-7876 Illinois U.S.A.
  • 3123067877 | +1 312-306-7877 Illinois U.S.A.
  • 3123067878 | +1 312-306-7878 Illinois U.S.A.
  • 3123067879 | +1 312-306-7879 Illinois U.S.A.
  • 3123067880 | +1 312-306-7880 Illinois U.S.A.
  • 3123067881 | +1 312-306-7881 Illinois U.S.A.
  • 3123067882 | +1 312-306-7882 Illinois U.S.A.
  • 3123067883 | +1 312-306-7883 Illinois U.S.A.
  • 3123067884 | +1 312-306-7884 Illinois U.S.A.
  • 3123067885 | +1 312-306-7885 Illinois U.S.A.
  • 3123067886 | +1 312-306-7886 Illinois U.S.A.
  • 3123067887 | +1 312-306-7887 Illinois U.S.A.
  • 3123067888 | +1 312-306-7888 Illinois U.S.A.
  • 3123067889 | +1 312-306-7889 Illinois U.S.A.
  • 3123067890 | +1 312-306-7890 Illinois U.S.A.
  • 3123067891 | +1 312-306-7891 Illinois U.S.A.
  • 3123067892 | +1 312-306-7892 Illinois U.S.A.
  • 3123067893 | +1 312-306-7893 Illinois U.S.A.
  • 3123067894 | +1 312-306-7894 Illinois U.S.A.
  • 3123067895 | +1 312-306-7895 Illinois U.S.A.
  • 3123067896 | +1 312-306-7896 Illinois U.S.A.
  • 3123067897 | +1 312-306-7897 Illinois U.S.A.
  • 3123067898 | +1 312-306-7898 Illinois U.S.A.
  • 3123067899 | +1 312-306-7899 Illinois U.S.A.