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).

  • 3127970800 | +1 312-797-0800 Illinois U.S.A.
  • 3127970801 | +1 312-797-0801 Illinois U.S.A.
  • 3127970802 | +1 312-797-0802 Illinois U.S.A.
  • 3127970803 | +1 312-797-0803 Illinois U.S.A.
  • 3127970804 | +1 312-797-0804 Illinois U.S.A.
  • 3127970805 | +1 312-797-0805 Illinois U.S.A.
  • 3127970806 | +1 312-797-0806 Illinois U.S.A.
  • 3127970807 | +1 312-797-0807 Illinois U.S.A.
  • 3127970808 | +1 312-797-0808 Illinois U.S.A.
  • 3127970809 | +1 312-797-0809 Illinois U.S.A.
  • 3127970810 | +1 312-797-0810 Illinois U.S.A.
  • 3127970811 | +1 312-797-0811 Illinois U.S.A.
  • 3127970812 | +1 312-797-0812 Illinois U.S.A.
  • 3127970813 | +1 312-797-0813 Illinois U.S.A.
  • 3127970814 | +1 312-797-0814 Illinois U.S.A.
  • 3127970815 | +1 312-797-0815 Illinois U.S.A.
  • 3127970816 | +1 312-797-0816 Illinois U.S.A.
  • 3127970817 | +1 312-797-0817 Illinois U.S.A.
  • 3127970818 | +1 312-797-0818 Illinois U.S.A.
  • 3127970819 | +1 312-797-0819 Illinois U.S.A.
  • 3127970820 | +1 312-797-0820 Illinois U.S.A.
  • 3127970821 | +1 312-797-0821 Illinois U.S.A.
  • 3127970822 | +1 312-797-0822 Illinois U.S.A.
  • 3127970823 | +1 312-797-0823 Illinois U.S.A.
  • 3127970824 | +1 312-797-0824 Illinois U.S.A.
  • 3127970825 | +1 312-797-0825 Illinois U.S.A.
  • 3127970826 | +1 312-797-0826 Illinois U.S.A.
  • 3127970827 | +1 312-797-0827 Illinois U.S.A.
  • 3127970828 | +1 312-797-0828 Illinois U.S.A.
  • 3127970829 | +1 312-797-0829 Illinois U.S.A.
  • 3127970830 | +1 312-797-0830 Illinois U.S.A.
  • 3127970831 | +1 312-797-0831 Illinois U.S.A.
  • 3127970832 | +1 312-797-0832 Illinois U.S.A.
  • 3127970833 | +1 312-797-0833 Illinois U.S.A.
  • 3127970834 | +1 312-797-0834 Illinois U.S.A.
  • 3127970835 | +1 312-797-0835 Illinois U.S.A.
  • 3127970836 | +1 312-797-0836 Illinois U.S.A.
  • 3127970837 | +1 312-797-0837 Illinois U.S.A.
  • 3127970838 | +1 312-797-0838 Illinois U.S.A.
  • 3127970839 | +1 312-797-0839 Illinois U.S.A.
  • 3127970840 | +1 312-797-0840 Illinois U.S.A.
  • 3127970841 | +1 312-797-0841 Illinois U.S.A.
  • 3127970842 | +1 312-797-0842 Illinois U.S.A.
  • 3127970843 | +1 312-797-0843 Illinois U.S.A.
  • 3127970844 | +1 312-797-0844 Illinois U.S.A.
  • 3127970845 | +1 312-797-0845 Illinois U.S.A.
  • 3127970846 | +1 312-797-0846 Illinois U.S.A.
  • 3127970847 | +1 312-797-0847 Illinois U.S.A.
  • 3127970848 | +1 312-797-0848 Illinois U.S.A.
  • 3127970849 | +1 312-797-0849 Illinois U.S.A.
  • 3127970850 | +1 312-797-0850 Illinois U.S.A.
  • 3127970851 | +1 312-797-0851 Illinois U.S.A.
  • 3127970852 | +1 312-797-0852 Illinois U.S.A.
  • 3127970853 | +1 312-797-0853 Illinois U.S.A.
  • 3127970854 | +1 312-797-0854 Illinois U.S.A.
  • 3127970855 | +1 312-797-0855 Illinois U.S.A.
  • 3127970856 | +1 312-797-0856 Illinois U.S.A.
  • 3127970857 | +1 312-797-0857 Illinois U.S.A.
  • 3127970858 | +1 312-797-0858 Illinois U.S.A.
  • 3127970859 | +1 312-797-0859 Illinois U.S.A.
  • 3127970860 | +1 312-797-0860 Illinois U.S.A.
  • 3127970861 | +1 312-797-0861 Illinois U.S.A.
  • 3127970862 | +1 312-797-0862 Illinois U.S.A.
  • 3127970863 | +1 312-797-0863 Illinois U.S.A.
  • 3127970864 | +1 312-797-0864 Illinois U.S.A.
  • 3127970865 | +1 312-797-0865 Illinois U.S.A.
  • 3127970866 | +1 312-797-0866 Illinois U.S.A.
  • 3127970867 | +1 312-797-0867 Illinois U.S.A.
  • 3127970868 | +1 312-797-0868 Illinois U.S.A.
  • 3127970869 | +1 312-797-0869 Illinois U.S.A.
  • 3127970870 | +1 312-797-0870 Illinois U.S.A.
  • 3127970871 | +1 312-797-0871 Illinois U.S.A.
  • 3127970872 | +1 312-797-0872 Illinois U.S.A.
  • 3127970873 | +1 312-797-0873 Illinois U.S.A.
  • 3127970874 | +1 312-797-0874 Illinois U.S.A.
  • 3127970875 | +1 312-797-0875 Illinois U.S.A.
  • 3127970876 | +1 312-797-0876 Illinois U.S.A.
  • 3127970877 | +1 312-797-0877 Illinois U.S.A.
  • 3127970878 | +1 312-797-0878 Illinois U.S.A.
  • 3127970879 | +1 312-797-0879 Illinois U.S.A.
  • 3127970880 | +1 312-797-0880 Illinois U.S.A.
  • 3127970881 | +1 312-797-0881 Illinois U.S.A.
  • 3127970882 | +1 312-797-0882 Illinois U.S.A.
  • 3127970883 | +1 312-797-0883 Illinois U.S.A.
  • 3127970884 | +1 312-797-0884 Illinois U.S.A.
  • 3127970885 | +1 312-797-0885 Illinois U.S.A.
  • 3127970886 | +1 312-797-0886 Illinois U.S.A.
  • 3127970887 | +1 312-797-0887 Illinois U.S.A.
  • 3127970888 | +1 312-797-0888 Illinois U.S.A.
  • 3127970889 | +1 312-797-0889 Illinois U.S.A.
  • 3127970890 | +1 312-797-0890 Illinois U.S.A.
  • 3127970891 | +1 312-797-0891 Illinois U.S.A.
  • 3127970892 | +1 312-797-0892 Illinois U.S.A.
  • 3127970893 | +1 312-797-0893 Illinois U.S.A.
  • 3127970894 | +1 312-797-0894 Illinois U.S.A.
  • 3127970895 | +1 312-797-0895 Illinois U.S.A.
  • 3127970896 | +1 312-797-0896 Illinois U.S.A.
  • 3127970897 | +1 312-797-0897 Illinois U.S.A.
  • 3127970898 | +1 312-797-0898 Illinois U.S.A.
  • 3127970899 | +1 312-797-0899 Illinois U.S.A.