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).

  • 3123800800 | +1 312-380-0800 Illinois U.S.A.
  • 3123800801 | +1 312-380-0801 Illinois U.S.A.
  • 3123800802 | +1 312-380-0802 Illinois U.S.A.
  • 3123800803 | +1 312-380-0803 Illinois U.S.A.
  • 3123800804 | +1 312-380-0804 Illinois U.S.A.
  • 3123800805 | +1 312-380-0805 Illinois U.S.A.
  • 3123800806 | +1 312-380-0806 Illinois U.S.A.
  • 3123800807 | +1 312-380-0807 Illinois U.S.A.
  • 3123800808 | +1 312-380-0808 Illinois U.S.A.
  • 3123800809 | +1 312-380-0809 Illinois U.S.A.
  • 3123800810 | +1 312-380-0810 Illinois U.S.A.
  • 3123800811 | +1 312-380-0811 Illinois U.S.A.
  • 3123800812 | +1 312-380-0812 Illinois U.S.A.
  • 3123800813 | +1 312-380-0813 Illinois U.S.A.
  • 3123800814 | +1 312-380-0814 Illinois U.S.A.
  • 3123800815 | +1 312-380-0815 Illinois U.S.A.
  • 3123800816 | +1 312-380-0816 Illinois U.S.A.
  • 3123800817 | +1 312-380-0817 Illinois U.S.A.
  • 3123800818 | +1 312-380-0818 Illinois U.S.A.
  • 3123800819 | +1 312-380-0819 Illinois U.S.A.
  • 3123800820 | +1 312-380-0820 Illinois U.S.A.
  • 3123800821 | +1 312-380-0821 Illinois U.S.A.
  • 3123800822 | +1 312-380-0822 Illinois U.S.A.
  • 3123800823 | +1 312-380-0823 Illinois U.S.A.
  • 3123800824 | +1 312-380-0824 Illinois U.S.A.
  • 3123800825 | +1 312-380-0825 Illinois U.S.A.
  • 3123800826 | +1 312-380-0826 Illinois U.S.A.
  • 3123800827 | +1 312-380-0827 Illinois U.S.A.
  • 3123800828 | +1 312-380-0828 Illinois U.S.A.
  • 3123800829 | +1 312-380-0829 Illinois U.S.A.
  • 3123800830 | +1 312-380-0830 Illinois U.S.A.
  • 3123800831 | +1 312-380-0831 Illinois U.S.A.
  • 3123800832 | +1 312-380-0832 Illinois U.S.A.
  • 3123800833 | +1 312-380-0833 Illinois U.S.A.
  • 3123800834 | +1 312-380-0834 Illinois U.S.A.
  • 3123800835 | +1 312-380-0835 Illinois U.S.A.
  • 3123800836 | +1 312-380-0836 Illinois U.S.A.
  • 3123800837 | +1 312-380-0837 Illinois U.S.A.
  • 3123800838 | +1 312-380-0838 Illinois U.S.A.
  • 3123800839 | +1 312-380-0839 Illinois U.S.A.
  • 3123800840 | +1 312-380-0840 Illinois U.S.A.
  • 3123800841 | +1 312-380-0841 Illinois U.S.A.
  • 3123800842 | +1 312-380-0842 Illinois U.S.A.
  • 3123800843 | +1 312-380-0843 Illinois U.S.A.
  • 3123800844 | +1 312-380-0844 Illinois U.S.A.
  • 3123800845 | +1 312-380-0845 Illinois U.S.A.
  • 3123800846 | +1 312-380-0846 Illinois U.S.A.
  • 3123800847 | +1 312-380-0847 Illinois U.S.A.
  • 3123800848 | +1 312-380-0848 Illinois U.S.A.
  • 3123800849 | +1 312-380-0849 Illinois U.S.A.
  • 3123800850 | +1 312-380-0850 Illinois U.S.A.
  • 3123800851 | +1 312-380-0851 Illinois U.S.A.
  • 3123800852 | +1 312-380-0852 Illinois U.S.A.
  • 3123800853 | +1 312-380-0853 Illinois U.S.A.
  • 3123800854 | +1 312-380-0854 Illinois U.S.A.
  • 3123800855 | +1 312-380-0855 Illinois U.S.A.
  • 3123800856 | +1 312-380-0856 Illinois U.S.A.
  • 3123800857 | +1 312-380-0857 Illinois U.S.A.
  • 3123800858 | +1 312-380-0858 Illinois U.S.A.
  • 3123800859 | +1 312-380-0859 Illinois U.S.A.
  • 3123800860 | +1 312-380-0860 Illinois U.S.A.
  • 3123800861 | +1 312-380-0861 Illinois U.S.A.
  • 3123800862 | +1 312-380-0862 Illinois U.S.A.
  • 3123800863 | +1 312-380-0863 Illinois U.S.A.
  • 3123800864 | +1 312-380-0864 Illinois U.S.A.
  • 3123800865 | +1 312-380-0865 Illinois U.S.A.
  • 3123800866 | +1 312-380-0866 Illinois U.S.A.
  • 3123800867 | +1 312-380-0867 Illinois U.S.A.
  • 3123800868 | +1 312-380-0868 Illinois U.S.A.
  • 3123800869 | +1 312-380-0869 Illinois U.S.A.
  • 3123800870 | +1 312-380-0870 Illinois U.S.A.
  • 3123800871 | +1 312-380-0871 Illinois U.S.A.
  • 3123800872 | +1 312-380-0872 Illinois U.S.A.
  • 3123800873 | +1 312-380-0873 Illinois U.S.A.
  • 3123800874 | +1 312-380-0874 Illinois U.S.A.
  • 3123800875 | +1 312-380-0875 Illinois U.S.A.
  • 3123800876 | +1 312-380-0876 Illinois U.S.A.
  • 3123800877 | +1 312-380-0877 Illinois U.S.A.
  • 3123800878 | +1 312-380-0878 Illinois U.S.A.
  • 3123800879 | +1 312-380-0879 Illinois U.S.A.
  • 3123800880 | +1 312-380-0880 Illinois U.S.A.
  • 3123800881 | +1 312-380-0881 Illinois U.S.A.
  • 3123800882 | +1 312-380-0882 Illinois U.S.A.
  • 3123800883 | +1 312-380-0883 Illinois U.S.A.
  • 3123800884 | +1 312-380-0884 Illinois U.S.A.
  • 3123800885 | +1 312-380-0885 Illinois U.S.A.
  • 3123800886 | +1 312-380-0886 Illinois U.S.A.
  • 3123800887 | +1 312-380-0887 Illinois U.S.A.
  • 3123800888 | +1 312-380-0888 Illinois U.S.A.
  • 3123800889 | +1 312-380-0889 Illinois U.S.A.
  • 3123800890 | +1 312-380-0890 Illinois U.S.A.
  • 3123800891 | +1 312-380-0891 Illinois U.S.A.
  • 3123800892 | +1 312-380-0892 Illinois U.S.A.
  • 3123800893 | +1 312-380-0893 Illinois U.S.A.
  • 3123800894 | +1 312-380-0894 Illinois U.S.A.
  • 3123800895 | +1 312-380-0895 Illinois U.S.A.
  • 3123800896 | +1 312-380-0896 Illinois U.S.A.
  • 3123800897 | +1 312-380-0897 Illinois U.S.A.
  • 3123800898 | +1 312-380-0898 Illinois U.S.A.
  • 3123800899 | +1 312-380-0899 Illinois U.S.A.