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).

  • 3129920800 | +1 312-992-0800 Illinois U.S.A.
  • 3129920801 | +1 312-992-0801 Illinois U.S.A.
  • 3129920802 | +1 312-992-0802 Illinois U.S.A.
  • 3129920803 | +1 312-992-0803 Illinois U.S.A.
  • 3129920804 | +1 312-992-0804 Illinois U.S.A.
  • 3129920805 | +1 312-992-0805 Illinois U.S.A.
  • 3129920806 | +1 312-992-0806 Illinois U.S.A.
  • 3129920807 | +1 312-992-0807 Illinois U.S.A.
  • 3129920808 | +1 312-992-0808 Illinois U.S.A.
  • 3129920809 | +1 312-992-0809 Illinois U.S.A.
  • 3129920810 | +1 312-992-0810 Illinois U.S.A.
  • 3129920811 | +1 312-992-0811 Illinois U.S.A.
  • 3129920812 | +1 312-992-0812 Illinois U.S.A.
  • 3129920813 | +1 312-992-0813 Illinois U.S.A.
  • 3129920814 | +1 312-992-0814 Illinois U.S.A.
  • 3129920815 | +1 312-992-0815 Illinois U.S.A.
  • 3129920816 | +1 312-992-0816 Illinois U.S.A.
  • 3129920817 | +1 312-992-0817 Illinois U.S.A.
  • 3129920818 | +1 312-992-0818 Illinois U.S.A.
  • 3129920819 | +1 312-992-0819 Illinois U.S.A.
  • 3129920820 | +1 312-992-0820 Illinois U.S.A.
  • 3129920821 | +1 312-992-0821 Illinois U.S.A.
  • 3129920822 | +1 312-992-0822 Illinois U.S.A.
  • 3129920823 | +1 312-992-0823 Illinois U.S.A.
  • 3129920824 | +1 312-992-0824 Illinois U.S.A.
  • 3129920825 | +1 312-992-0825 Illinois U.S.A.
  • 3129920826 | +1 312-992-0826 Illinois U.S.A.
  • 3129920827 | +1 312-992-0827 Illinois U.S.A.
  • 3129920828 | +1 312-992-0828 Illinois U.S.A.
  • 3129920829 | +1 312-992-0829 Illinois U.S.A.
  • 3129920830 | +1 312-992-0830 Illinois U.S.A.
  • 3129920831 | +1 312-992-0831 Illinois U.S.A.
  • 3129920832 | +1 312-992-0832 Illinois U.S.A.
  • 3129920833 | +1 312-992-0833 Illinois U.S.A.
  • 3129920834 | +1 312-992-0834 Illinois U.S.A.
  • 3129920835 | +1 312-992-0835 Illinois U.S.A.
  • 3129920836 | +1 312-992-0836 Illinois U.S.A.
  • 3129920837 | +1 312-992-0837 Illinois U.S.A.
  • 3129920838 | +1 312-992-0838 Illinois U.S.A.
  • 3129920839 | +1 312-992-0839 Illinois U.S.A.
  • 3129920840 | +1 312-992-0840 Illinois U.S.A.
  • 3129920841 | +1 312-992-0841 Illinois U.S.A.
  • 3129920842 | +1 312-992-0842 Illinois U.S.A.
  • 3129920843 | +1 312-992-0843 Illinois U.S.A.
  • 3129920844 | +1 312-992-0844 Illinois U.S.A.
  • 3129920845 | +1 312-992-0845 Illinois U.S.A.
  • 3129920846 | +1 312-992-0846 Illinois U.S.A.
  • 3129920847 | +1 312-992-0847 Illinois U.S.A.
  • 3129920848 | +1 312-992-0848 Illinois U.S.A.
  • 3129920849 | +1 312-992-0849 Illinois U.S.A.
  • 3129920850 | +1 312-992-0850 Illinois U.S.A.
  • 3129920851 | +1 312-992-0851 Illinois U.S.A.
  • 3129920852 | +1 312-992-0852 Illinois U.S.A.
  • 3129920853 | +1 312-992-0853 Illinois U.S.A.
  • 3129920854 | +1 312-992-0854 Illinois U.S.A.
  • 3129920855 | +1 312-992-0855 Illinois U.S.A.
  • 3129920856 | +1 312-992-0856 Illinois U.S.A.
  • 3129920857 | +1 312-992-0857 Illinois U.S.A.
  • 3129920858 | +1 312-992-0858 Illinois U.S.A.
  • 3129920859 | +1 312-992-0859 Illinois U.S.A.
  • 3129920860 | +1 312-992-0860 Illinois U.S.A.
  • 3129920861 | +1 312-992-0861 Illinois U.S.A.
  • 3129920862 | +1 312-992-0862 Illinois U.S.A.
  • 3129920863 | +1 312-992-0863 Illinois U.S.A.
  • 3129920864 | +1 312-992-0864 Illinois U.S.A.
  • 3129920865 | +1 312-992-0865 Illinois U.S.A.
  • 3129920866 | +1 312-992-0866 Illinois U.S.A.
  • 3129920867 | +1 312-992-0867 Illinois U.S.A.
  • 3129920868 | +1 312-992-0868 Illinois U.S.A.
  • 3129920869 | +1 312-992-0869 Illinois U.S.A.
  • 3129920870 | +1 312-992-0870 Illinois U.S.A.
  • 3129920871 | +1 312-992-0871 Illinois U.S.A.
  • 3129920872 | +1 312-992-0872 Illinois U.S.A.
  • 3129920873 | +1 312-992-0873 Illinois U.S.A.
  • 3129920874 | +1 312-992-0874 Illinois U.S.A.
  • 3129920875 | +1 312-992-0875 Illinois U.S.A.
  • 3129920876 | +1 312-992-0876 Illinois U.S.A.
  • 3129920877 | +1 312-992-0877 Illinois U.S.A.
  • 3129920878 | +1 312-992-0878 Illinois U.S.A.
  • 3129920879 | +1 312-992-0879 Illinois U.S.A.
  • 3129920880 | +1 312-992-0880 Illinois U.S.A.
  • 3129920881 | +1 312-992-0881 Illinois U.S.A.
  • 3129920882 | +1 312-992-0882 Illinois U.S.A.
  • 3129920883 | +1 312-992-0883 Illinois U.S.A.
  • 3129920884 | +1 312-992-0884 Illinois U.S.A.
  • 3129920885 | +1 312-992-0885 Illinois U.S.A.
  • 3129920886 | +1 312-992-0886 Illinois U.S.A.
  • 3129920887 | +1 312-992-0887 Illinois U.S.A.
  • 3129920888 | +1 312-992-0888 Illinois U.S.A.
  • 3129920889 | +1 312-992-0889 Illinois U.S.A.
  • 3129920890 | +1 312-992-0890 Illinois U.S.A.
  • 3129920891 | +1 312-992-0891 Illinois U.S.A.
  • 3129920892 | +1 312-992-0892 Illinois U.S.A.
  • 3129920893 | +1 312-992-0893 Illinois U.S.A.
  • 3129920894 | +1 312-992-0894 Illinois U.S.A.
  • 3129920895 | +1 312-992-0895 Illinois U.S.A.
  • 3129920896 | +1 312-992-0896 Illinois U.S.A.
  • 3129920897 | +1 312-992-0897 Illinois U.S.A.
  • 3129920898 | +1 312-992-0898 Illinois U.S.A.
  • 3129920899 | +1 312-992-0899 Illinois U.S.A.