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).

  • 3128170800 | +1 312-817-0800 Illinois U.S.A.
  • 3128170801 | +1 312-817-0801 Illinois U.S.A.
  • 3128170802 | +1 312-817-0802 Illinois U.S.A.
  • 3128170803 | +1 312-817-0803 Illinois U.S.A.
  • 3128170804 | +1 312-817-0804 Illinois U.S.A.
  • 3128170805 | +1 312-817-0805 Illinois U.S.A.
  • 3128170806 | +1 312-817-0806 Illinois U.S.A.
  • 3128170807 | +1 312-817-0807 Illinois U.S.A.
  • 3128170808 | +1 312-817-0808 Illinois U.S.A.
  • 3128170809 | +1 312-817-0809 Illinois U.S.A.
  • 3128170810 | +1 312-817-0810 Illinois U.S.A.
  • 3128170811 | +1 312-817-0811 Illinois U.S.A.
  • 3128170812 | +1 312-817-0812 Illinois U.S.A.
  • 3128170813 | +1 312-817-0813 Illinois U.S.A.
  • 3128170814 | +1 312-817-0814 Illinois U.S.A.
  • 3128170815 | +1 312-817-0815 Illinois U.S.A.
  • 3128170816 | +1 312-817-0816 Illinois U.S.A.
  • 3128170817 | +1 312-817-0817 Illinois U.S.A.
  • 3128170818 | +1 312-817-0818 Illinois U.S.A.
  • 3128170819 | +1 312-817-0819 Illinois U.S.A.
  • 3128170820 | +1 312-817-0820 Illinois U.S.A.
  • 3128170821 | +1 312-817-0821 Illinois U.S.A.
  • 3128170822 | +1 312-817-0822 Illinois U.S.A.
  • 3128170823 | +1 312-817-0823 Illinois U.S.A.
  • 3128170824 | +1 312-817-0824 Illinois U.S.A.
  • 3128170825 | +1 312-817-0825 Illinois U.S.A.
  • 3128170826 | +1 312-817-0826 Illinois U.S.A.
  • 3128170827 | +1 312-817-0827 Illinois U.S.A.
  • 3128170828 | +1 312-817-0828 Illinois U.S.A.
  • 3128170829 | +1 312-817-0829 Illinois U.S.A.
  • 3128170830 | +1 312-817-0830 Illinois U.S.A.
  • 3128170831 | +1 312-817-0831 Illinois U.S.A.
  • 3128170832 | +1 312-817-0832 Illinois U.S.A.
  • 3128170833 | +1 312-817-0833 Illinois U.S.A.
  • 3128170834 | +1 312-817-0834 Illinois U.S.A.
  • 3128170835 | +1 312-817-0835 Illinois U.S.A.
  • 3128170836 | +1 312-817-0836 Illinois U.S.A.
  • 3128170837 | +1 312-817-0837 Illinois U.S.A.
  • 3128170838 | +1 312-817-0838 Illinois U.S.A.
  • 3128170839 | +1 312-817-0839 Illinois U.S.A.
  • 3128170840 | +1 312-817-0840 Illinois U.S.A.
  • 3128170841 | +1 312-817-0841 Illinois U.S.A.
  • 3128170842 | +1 312-817-0842 Illinois U.S.A.
  • 3128170843 | +1 312-817-0843 Illinois U.S.A.
  • 3128170844 | +1 312-817-0844 Illinois U.S.A.
  • 3128170845 | +1 312-817-0845 Illinois U.S.A.
  • 3128170846 | +1 312-817-0846 Illinois U.S.A.
  • 3128170847 | +1 312-817-0847 Illinois U.S.A.
  • 3128170848 | +1 312-817-0848 Illinois U.S.A.
  • 3128170849 | +1 312-817-0849 Illinois U.S.A.
  • 3128170850 | +1 312-817-0850 Illinois U.S.A.
  • 3128170851 | +1 312-817-0851 Illinois U.S.A.
  • 3128170852 | +1 312-817-0852 Illinois U.S.A.
  • 3128170853 | +1 312-817-0853 Illinois U.S.A.
  • 3128170854 | +1 312-817-0854 Illinois U.S.A.
  • 3128170855 | +1 312-817-0855 Illinois U.S.A.
  • 3128170856 | +1 312-817-0856 Illinois U.S.A.
  • 3128170857 | +1 312-817-0857 Illinois U.S.A.
  • 3128170858 | +1 312-817-0858 Illinois U.S.A.
  • 3128170859 | +1 312-817-0859 Illinois U.S.A.
  • 3128170860 | +1 312-817-0860 Illinois U.S.A.
  • 3128170861 | +1 312-817-0861 Illinois U.S.A.
  • 3128170862 | +1 312-817-0862 Illinois U.S.A.
  • 3128170863 | +1 312-817-0863 Illinois U.S.A.
  • 3128170864 | +1 312-817-0864 Illinois U.S.A.
  • 3128170865 | +1 312-817-0865 Illinois U.S.A.
  • 3128170866 | +1 312-817-0866 Illinois U.S.A.
  • 3128170867 | +1 312-817-0867 Illinois U.S.A.
  • 3128170868 | +1 312-817-0868 Illinois U.S.A.
  • 3128170869 | +1 312-817-0869 Illinois U.S.A.
  • 3128170870 | +1 312-817-0870 Illinois U.S.A.
  • 3128170871 | +1 312-817-0871 Illinois U.S.A.
  • 3128170872 | +1 312-817-0872 Illinois U.S.A.
  • 3128170873 | +1 312-817-0873 Illinois U.S.A.
  • 3128170874 | +1 312-817-0874 Illinois U.S.A.
  • 3128170875 | +1 312-817-0875 Illinois U.S.A.
  • 3128170876 | +1 312-817-0876 Illinois U.S.A.
  • 3128170877 | +1 312-817-0877 Illinois U.S.A.
  • 3128170878 | +1 312-817-0878 Illinois U.S.A.
  • 3128170879 | +1 312-817-0879 Illinois U.S.A.
  • 3128170880 | +1 312-817-0880 Illinois U.S.A.
  • 3128170881 | +1 312-817-0881 Illinois U.S.A.
  • 3128170882 | +1 312-817-0882 Illinois U.S.A.
  • 3128170883 | +1 312-817-0883 Illinois U.S.A.
  • 3128170884 | +1 312-817-0884 Illinois U.S.A.
  • 3128170885 | +1 312-817-0885 Illinois U.S.A.
  • 3128170886 | +1 312-817-0886 Illinois U.S.A.
  • 3128170887 | +1 312-817-0887 Illinois U.S.A.
  • 3128170888 | +1 312-817-0888 Illinois U.S.A.
  • 3128170889 | +1 312-817-0889 Illinois U.S.A.
  • 3128170890 | +1 312-817-0890 Illinois U.S.A.
  • 3128170891 | +1 312-817-0891 Illinois U.S.A.
  • 3128170892 | +1 312-817-0892 Illinois U.S.A.
  • 3128170893 | +1 312-817-0893 Illinois U.S.A.
  • 3128170894 | +1 312-817-0894 Illinois U.S.A.
  • 3128170895 | +1 312-817-0895 Illinois U.S.A.
  • 3128170896 | +1 312-817-0896 Illinois U.S.A.
  • 3128170897 | +1 312-817-0897 Illinois U.S.A.
  • 3128170898 | +1 312-817-0898 Illinois U.S.A.
  • 3128170899 | +1 312-817-0899 Illinois U.S.A.