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).

  • 3123550800 | +1 312-355-0800 Illinois U.S.A.
  • 3123550801 | +1 312-355-0801 Illinois U.S.A.
  • 3123550802 | +1 312-355-0802 Illinois U.S.A.
  • 3123550803 | +1 312-355-0803 Illinois U.S.A.
  • 3123550804 | +1 312-355-0804 Illinois U.S.A.
  • 3123550805 | +1 312-355-0805 Illinois U.S.A.
  • 3123550806 | +1 312-355-0806 Illinois U.S.A.
  • 3123550807 | +1 312-355-0807 Illinois U.S.A.
  • 3123550808 | +1 312-355-0808 Illinois U.S.A.
  • 3123550809 | +1 312-355-0809 Illinois U.S.A.
  • 3123550810 | +1 312-355-0810 Illinois U.S.A.
  • 3123550811 | +1 312-355-0811 Illinois U.S.A.
  • 3123550812 | +1 312-355-0812 Illinois U.S.A.
  • 3123550813 | +1 312-355-0813 Illinois U.S.A.
  • 3123550814 | +1 312-355-0814 Illinois U.S.A.
  • 3123550815 | +1 312-355-0815 Illinois U.S.A.
  • 3123550816 | +1 312-355-0816 Illinois U.S.A.
  • 3123550817 | +1 312-355-0817 Illinois U.S.A.
  • 3123550818 | +1 312-355-0818 Illinois U.S.A.
  • 3123550819 | +1 312-355-0819 Illinois U.S.A.
  • 3123550820 | +1 312-355-0820 Illinois U.S.A.
  • 3123550821 | +1 312-355-0821 Illinois U.S.A.
  • 3123550822 | +1 312-355-0822 Illinois U.S.A.
  • 3123550823 | +1 312-355-0823 Illinois U.S.A.
  • 3123550824 | +1 312-355-0824 Illinois U.S.A.
  • 3123550825 | +1 312-355-0825 Illinois U.S.A.
  • 3123550826 | +1 312-355-0826 Illinois U.S.A.
  • 3123550827 | +1 312-355-0827 Illinois U.S.A.
  • 3123550828 | +1 312-355-0828 Illinois U.S.A.
  • 3123550829 | +1 312-355-0829 Illinois U.S.A.
  • 3123550830 | +1 312-355-0830 Illinois U.S.A.
  • 3123550831 | +1 312-355-0831 Illinois U.S.A.
  • 3123550832 | +1 312-355-0832 Illinois U.S.A.
  • 3123550833 | +1 312-355-0833 Illinois U.S.A.
  • 3123550834 | +1 312-355-0834 Illinois U.S.A.
  • 3123550835 | +1 312-355-0835 Illinois U.S.A.
  • 3123550836 | +1 312-355-0836 Illinois U.S.A.
  • 3123550837 | +1 312-355-0837 Illinois U.S.A.
  • 3123550838 | +1 312-355-0838 Illinois U.S.A.
  • 3123550839 | +1 312-355-0839 Illinois U.S.A.
  • 3123550840 | +1 312-355-0840 Illinois U.S.A.
  • 3123550841 | +1 312-355-0841 Illinois U.S.A.
  • 3123550842 | +1 312-355-0842 Illinois U.S.A.
  • 3123550843 | +1 312-355-0843 Illinois U.S.A.
  • 3123550844 | +1 312-355-0844 Illinois U.S.A.
  • 3123550845 | +1 312-355-0845 Illinois U.S.A.
  • 3123550846 | +1 312-355-0846 Illinois U.S.A.
  • 3123550847 | +1 312-355-0847 Illinois U.S.A.
  • 3123550848 | +1 312-355-0848 Illinois U.S.A.
  • 3123550849 | +1 312-355-0849 Illinois U.S.A.
  • 3123550850 | +1 312-355-0850 Illinois U.S.A.
  • 3123550851 | +1 312-355-0851 Illinois U.S.A.
  • 3123550852 | +1 312-355-0852 Illinois U.S.A.
  • 3123550853 | +1 312-355-0853 Illinois U.S.A.
  • 3123550854 | +1 312-355-0854 Illinois U.S.A.
  • 3123550855 | +1 312-355-0855 Illinois U.S.A.
  • 3123550856 | +1 312-355-0856 Illinois U.S.A.
  • 3123550857 | +1 312-355-0857 Illinois U.S.A.
  • 3123550858 | +1 312-355-0858 Illinois U.S.A.
  • 3123550859 | +1 312-355-0859 Illinois U.S.A.
  • 3123550860 | +1 312-355-0860 Illinois U.S.A.
  • 3123550861 | +1 312-355-0861 Illinois U.S.A.
  • 3123550862 | +1 312-355-0862 Illinois U.S.A.
  • 3123550863 | +1 312-355-0863 Illinois U.S.A.
  • 3123550864 | +1 312-355-0864 Illinois U.S.A.
  • 3123550865 | +1 312-355-0865 Illinois U.S.A.
  • 3123550866 | +1 312-355-0866 Illinois U.S.A.
  • 3123550867 | +1 312-355-0867 Illinois U.S.A.
  • 3123550868 | +1 312-355-0868 Illinois U.S.A.
  • 3123550869 | +1 312-355-0869 Illinois U.S.A.
  • 3123550870 | +1 312-355-0870 Illinois U.S.A.
  • 3123550871 | +1 312-355-0871 Illinois U.S.A.
  • 3123550872 | +1 312-355-0872 Illinois U.S.A.
  • 3123550873 | +1 312-355-0873 Illinois U.S.A.
  • 3123550874 | +1 312-355-0874 Illinois U.S.A.
  • 3123550875 | +1 312-355-0875 Illinois U.S.A.
  • 3123550876 | +1 312-355-0876 Illinois U.S.A.
  • 3123550877 | +1 312-355-0877 Illinois U.S.A.
  • 3123550878 | +1 312-355-0878 Illinois U.S.A.
  • 3123550879 | +1 312-355-0879 Illinois U.S.A.
  • 3123550880 | +1 312-355-0880 Illinois U.S.A.
  • 3123550881 | +1 312-355-0881 Illinois U.S.A.
  • 3123550882 | +1 312-355-0882 Illinois U.S.A.
  • 3123550883 | +1 312-355-0883 Illinois U.S.A.
  • 3123550884 | +1 312-355-0884 Illinois U.S.A.
  • 3123550885 | +1 312-355-0885 Illinois U.S.A.
  • 3123550886 | +1 312-355-0886 Illinois U.S.A.
  • 3123550887 | +1 312-355-0887 Illinois U.S.A.
  • 3123550888 | +1 312-355-0888 Illinois U.S.A.
  • 3123550889 | +1 312-355-0889 Illinois U.S.A.
  • 3123550890 | +1 312-355-0890 Illinois U.S.A.
  • 3123550891 | +1 312-355-0891 Illinois U.S.A.
  • 3123550892 | +1 312-355-0892 Illinois U.S.A.
  • 3123550893 | +1 312-355-0893 Illinois U.S.A.
  • 3123550894 | +1 312-355-0894 Illinois U.S.A.
  • 3123550895 | +1 312-355-0895 Illinois U.S.A.
  • 3123550896 | +1 312-355-0896 Illinois U.S.A.
  • 3123550897 | +1 312-355-0897 Illinois U.S.A.
  • 3123550898 | +1 312-355-0898 Illinois U.S.A.
  • 3123550899 | +1 312-355-0899 Illinois U.S.A.