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).

  • 3128507800 | +1 312-850-7800 Illinois U.S.A.
  • 3128507801 | +1 312-850-7801 Illinois U.S.A.
  • 3128507802 | +1 312-850-7802 Illinois U.S.A.
  • 3128507803 | +1 312-850-7803 Illinois U.S.A.
  • 3128507804 | +1 312-850-7804 Illinois U.S.A.
  • 3128507805 | +1 312-850-7805 Illinois U.S.A.
  • 3128507806 | +1 312-850-7806 Illinois U.S.A.
  • 3128507807 | +1 312-850-7807 Illinois U.S.A.
  • 3128507808 | +1 312-850-7808 Illinois U.S.A.
  • 3128507809 | +1 312-850-7809 Illinois U.S.A.
  • 3128507810 | +1 312-850-7810 Illinois U.S.A.
  • 3128507811 | +1 312-850-7811 Illinois U.S.A.
  • 3128507812 | +1 312-850-7812 Illinois U.S.A.
  • 3128507813 | +1 312-850-7813 Illinois U.S.A.
  • 3128507814 | +1 312-850-7814 Illinois U.S.A.
  • 3128507815 | +1 312-850-7815 Illinois U.S.A.
  • 3128507816 | +1 312-850-7816 Illinois U.S.A.
  • 3128507817 | +1 312-850-7817 Illinois U.S.A.
  • 3128507818 | +1 312-850-7818 Illinois U.S.A.
  • 3128507819 | +1 312-850-7819 Illinois U.S.A.
  • 3128507820 | +1 312-850-7820 Illinois U.S.A.
  • 3128507821 | +1 312-850-7821 Illinois U.S.A.
  • 3128507822 | +1 312-850-7822 Illinois U.S.A.
  • 3128507823 | +1 312-850-7823 Illinois U.S.A.
  • 3128507824 | +1 312-850-7824 Illinois U.S.A.
  • 3128507825 | +1 312-850-7825 Illinois U.S.A.
  • 3128507826 | +1 312-850-7826 Illinois U.S.A.
  • 3128507827 | +1 312-850-7827 Illinois U.S.A.
  • 3128507828 | +1 312-850-7828 Illinois U.S.A.
  • 3128507829 | +1 312-850-7829 Illinois U.S.A.
  • 3128507830 | +1 312-850-7830 Illinois U.S.A.
  • 3128507831 | +1 312-850-7831 Illinois U.S.A.
  • 3128507832 | +1 312-850-7832 Illinois U.S.A.
  • 3128507833 | +1 312-850-7833 Illinois U.S.A.
  • 3128507834 | +1 312-850-7834 Illinois U.S.A.
  • 3128507835 | +1 312-850-7835 Illinois U.S.A.
  • 3128507836 | +1 312-850-7836 Illinois U.S.A.
  • 3128507837 | +1 312-850-7837 Illinois U.S.A.
  • 3128507838 | +1 312-850-7838 Illinois U.S.A.
  • 3128507839 | +1 312-850-7839 Illinois U.S.A.
  • 3128507840 | +1 312-850-7840 Illinois U.S.A.
  • 3128507841 | +1 312-850-7841 Illinois U.S.A.
  • 3128507842 | +1 312-850-7842 Illinois U.S.A.
  • 3128507843 | +1 312-850-7843 Illinois U.S.A.
  • 3128507844 | +1 312-850-7844 Illinois U.S.A.
  • 3128507845 | +1 312-850-7845 Illinois U.S.A.
  • 3128507846 | +1 312-850-7846 Illinois U.S.A.
  • 3128507847 | +1 312-850-7847 Illinois U.S.A.
  • 3128507848 | +1 312-850-7848 Illinois U.S.A.
  • 3128507849 | +1 312-850-7849 Illinois U.S.A.
  • 3128507850 | +1 312-850-7850 Illinois U.S.A.
  • 3128507851 | +1 312-850-7851 Illinois U.S.A.
  • 3128507852 | +1 312-850-7852 Illinois U.S.A.
  • 3128507853 | +1 312-850-7853 Illinois U.S.A.
  • 3128507854 | +1 312-850-7854 Illinois U.S.A.
  • 3128507855 | +1 312-850-7855 Illinois U.S.A.
  • 3128507856 | +1 312-850-7856 Illinois U.S.A.
  • 3128507857 | +1 312-850-7857 Illinois U.S.A.
  • 3128507858 | +1 312-850-7858 Illinois U.S.A.
  • 3128507859 | +1 312-850-7859 Illinois U.S.A.
  • 3128507860 | +1 312-850-7860 Illinois U.S.A.
  • 3128507861 | +1 312-850-7861 Illinois U.S.A.
  • 3128507862 | +1 312-850-7862 Illinois U.S.A.
  • 3128507863 | +1 312-850-7863 Illinois U.S.A.
  • 3128507864 | +1 312-850-7864 Illinois U.S.A.
  • 3128507865 | +1 312-850-7865 Illinois U.S.A.
  • 3128507866 | +1 312-850-7866 Illinois U.S.A.
  • 3128507867 | +1 312-850-7867 Illinois U.S.A.
  • 3128507868 | +1 312-850-7868 Illinois U.S.A.
  • 3128507869 | +1 312-850-7869 Illinois U.S.A.
  • 3128507870 | +1 312-850-7870 Illinois U.S.A.
  • 3128507871 | +1 312-850-7871 Illinois U.S.A.
  • 3128507872 | +1 312-850-7872 Illinois U.S.A.
  • 3128507873 | +1 312-850-7873 Illinois U.S.A.
  • 3128507874 | +1 312-850-7874 Illinois U.S.A.
  • 3128507875 | +1 312-850-7875 Illinois U.S.A.
  • 3128507876 | +1 312-850-7876 Illinois U.S.A.
  • 3128507877 | +1 312-850-7877 Illinois U.S.A.
  • 3128507878 | +1 312-850-7878 Illinois U.S.A.
  • 3128507879 | +1 312-850-7879 Illinois U.S.A.
  • 3128507880 | +1 312-850-7880 Illinois U.S.A.
  • 3128507881 | +1 312-850-7881 Illinois U.S.A.
  • 3128507882 | +1 312-850-7882 Illinois U.S.A.
  • 3128507883 | +1 312-850-7883 Illinois U.S.A.
  • 3128507884 | +1 312-850-7884 Illinois U.S.A.
  • 3128507885 | +1 312-850-7885 Illinois U.S.A.
  • 3128507886 | +1 312-850-7886 Illinois U.S.A.
  • 3128507887 | +1 312-850-7887 Illinois U.S.A.
  • 3128507888 | +1 312-850-7888 Illinois U.S.A.
  • 3128507889 | +1 312-850-7889 Illinois U.S.A.
  • 3128507890 | +1 312-850-7890 Illinois U.S.A.
  • 3128507891 | +1 312-850-7891 Illinois U.S.A.
  • 3128507892 | +1 312-850-7892 Illinois U.S.A.
  • 3128507893 | +1 312-850-7893 Illinois U.S.A.
  • 3128507894 | +1 312-850-7894 Illinois U.S.A.
  • 3128507895 | +1 312-850-7895 Illinois U.S.A.
  • 3128507896 | +1 312-850-7896 Illinois U.S.A.
  • 3128507897 | +1 312-850-7897 Illinois U.S.A.
  • 3128507898 | +1 312-850-7898 Illinois U.S.A.
  • 3128507899 | +1 312-850-7899 Illinois U.S.A.