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).

  • 3123370800 | +1 312-337-0800 Illinois U.S.A.
  • 3123370801 | +1 312-337-0801 Illinois U.S.A.
  • 3123370802 | +1 312-337-0802 Illinois U.S.A.
  • 3123370803 | +1 312-337-0803 Illinois U.S.A.
  • 3123370804 | +1 312-337-0804 Illinois U.S.A.
  • 3123370805 | +1 312-337-0805 Illinois U.S.A.
  • 3123370806 | +1 312-337-0806 Illinois U.S.A.
  • 3123370807 | +1 312-337-0807 Illinois U.S.A.
  • 3123370808 | +1 312-337-0808 Illinois U.S.A.
  • 3123370809 | +1 312-337-0809 Illinois U.S.A.
  • 3123370810 | +1 312-337-0810 Illinois U.S.A.
  • 3123370811 | +1 312-337-0811 Illinois U.S.A.
  • 3123370812 | +1 312-337-0812 Illinois U.S.A.
  • 3123370813 | +1 312-337-0813 Illinois U.S.A.
  • 3123370814 | +1 312-337-0814 Illinois U.S.A.
  • 3123370815 | +1 312-337-0815 Illinois U.S.A.
  • 3123370816 | +1 312-337-0816 Illinois U.S.A.
  • 3123370817 | +1 312-337-0817 Illinois U.S.A.
  • 3123370818 | +1 312-337-0818 Illinois U.S.A.
  • 3123370819 | +1 312-337-0819 Illinois U.S.A.
  • 3123370820 | +1 312-337-0820 Illinois U.S.A.
  • 3123370821 | +1 312-337-0821 Illinois U.S.A.
  • 3123370822 | +1 312-337-0822 Illinois U.S.A.
  • 3123370823 | +1 312-337-0823 Illinois U.S.A.
  • 3123370824 | +1 312-337-0824 Illinois U.S.A.
  • 3123370825 | +1 312-337-0825 Illinois U.S.A.
  • 3123370826 | +1 312-337-0826 Illinois U.S.A.
  • 3123370827 | +1 312-337-0827 Illinois U.S.A.
  • 3123370828 | +1 312-337-0828 Illinois U.S.A.
  • 3123370829 | +1 312-337-0829 Illinois U.S.A.
  • 3123370830 | +1 312-337-0830 Illinois U.S.A.
  • 3123370831 | +1 312-337-0831 Illinois U.S.A.
  • 3123370832 | +1 312-337-0832 Illinois U.S.A.
  • 3123370833 | +1 312-337-0833 Illinois U.S.A.
  • 3123370834 | +1 312-337-0834 Illinois U.S.A.
  • 3123370835 | +1 312-337-0835 Illinois U.S.A.
  • 3123370836 | +1 312-337-0836 Illinois U.S.A.
  • 3123370837 | +1 312-337-0837 Illinois U.S.A.
  • 3123370838 | +1 312-337-0838 Illinois U.S.A.
  • 3123370839 | +1 312-337-0839 Illinois U.S.A.
  • 3123370840 | +1 312-337-0840 Illinois U.S.A.
  • 3123370841 | +1 312-337-0841 Illinois U.S.A.
  • 3123370842 | +1 312-337-0842 Illinois U.S.A.
  • 3123370843 | +1 312-337-0843 Illinois U.S.A.
  • 3123370844 | +1 312-337-0844 Illinois U.S.A.
  • 3123370845 | +1 312-337-0845 Illinois U.S.A.
  • 3123370846 | +1 312-337-0846 Illinois U.S.A.
  • 3123370847 | +1 312-337-0847 Illinois U.S.A.
  • 3123370848 | +1 312-337-0848 Illinois U.S.A.
  • 3123370849 | +1 312-337-0849 Illinois U.S.A.
  • 3123370850 | +1 312-337-0850 Illinois U.S.A.
  • 3123370851 | +1 312-337-0851 Illinois U.S.A.
  • 3123370852 | +1 312-337-0852 Illinois U.S.A.
  • 3123370853 | +1 312-337-0853 Illinois U.S.A.
  • 3123370854 | +1 312-337-0854 Illinois U.S.A.
  • 3123370855 | +1 312-337-0855 Illinois U.S.A.
  • 3123370856 | +1 312-337-0856 Illinois U.S.A.
  • 3123370857 | +1 312-337-0857 Illinois U.S.A.
  • 3123370858 | +1 312-337-0858 Illinois U.S.A.
  • 3123370859 | +1 312-337-0859 Illinois U.S.A.
  • 3123370860 | +1 312-337-0860 Illinois U.S.A.
  • 3123370861 | +1 312-337-0861 Illinois U.S.A.
  • 3123370862 | +1 312-337-0862 Illinois U.S.A.
  • 3123370863 | +1 312-337-0863 Illinois U.S.A.
  • 3123370864 | +1 312-337-0864 Illinois U.S.A.
  • 3123370865 | +1 312-337-0865 Illinois U.S.A.
  • 3123370866 | +1 312-337-0866 Illinois U.S.A.
  • 3123370867 | +1 312-337-0867 Illinois U.S.A.
  • 3123370868 | +1 312-337-0868 Illinois U.S.A.
  • 3123370869 | +1 312-337-0869 Illinois U.S.A.
  • 3123370870 | +1 312-337-0870 Illinois U.S.A.
  • 3123370871 | +1 312-337-0871 Illinois U.S.A.
  • 3123370872 | +1 312-337-0872 Illinois U.S.A.
  • 3123370873 | +1 312-337-0873 Illinois U.S.A.
  • 3123370874 | +1 312-337-0874 Illinois U.S.A.
  • 3123370875 | +1 312-337-0875 Illinois U.S.A.
  • 3123370876 | +1 312-337-0876 Illinois U.S.A.
  • 3123370877 | +1 312-337-0877 Illinois U.S.A.
  • 3123370878 | +1 312-337-0878 Illinois U.S.A.
  • 3123370879 | +1 312-337-0879 Illinois U.S.A.
  • 3123370880 | +1 312-337-0880 Illinois U.S.A.
  • 3123370881 | +1 312-337-0881 Illinois U.S.A.
  • 3123370882 | +1 312-337-0882 Illinois U.S.A.
  • 3123370883 | +1 312-337-0883 Illinois U.S.A.
  • 3123370884 | +1 312-337-0884 Illinois U.S.A.
  • 3123370885 | +1 312-337-0885 Illinois U.S.A.
  • 3123370886 | +1 312-337-0886 Illinois U.S.A.
  • 3123370887 | +1 312-337-0887 Illinois U.S.A.
  • 3123370888 | +1 312-337-0888 Illinois U.S.A.
  • 3123370889 | +1 312-337-0889 Illinois U.S.A.
  • 3123370890 | +1 312-337-0890 Illinois U.S.A.
  • 3123370891 | +1 312-337-0891 Illinois U.S.A.
  • 3123370892 | +1 312-337-0892 Illinois U.S.A.
  • 3123370893 | +1 312-337-0893 Illinois U.S.A.
  • 3123370894 | +1 312-337-0894 Illinois U.S.A.
  • 3123370895 | +1 312-337-0895 Illinois U.S.A.
  • 3123370896 | +1 312-337-0896 Illinois U.S.A.
  • 3123370897 | +1 312-337-0897 Illinois U.S.A.
  • 3123370898 | +1 312-337-0898 Illinois U.S.A.
  • 3123370899 | +1 312-337-0899 Illinois U.S.A.