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).

  • 3128505800 | +1 312-850-5800 Illinois U.S.A.
  • 3128505801 | +1 312-850-5801 Illinois U.S.A.
  • 3128505802 | +1 312-850-5802 Illinois U.S.A.
  • 3128505803 | +1 312-850-5803 Illinois U.S.A.
  • 3128505804 | +1 312-850-5804 Illinois U.S.A.
  • 3128505805 | +1 312-850-5805 Illinois U.S.A.
  • 3128505806 | +1 312-850-5806 Illinois U.S.A.
  • 3128505807 | +1 312-850-5807 Illinois U.S.A.
  • 3128505808 | +1 312-850-5808 Illinois U.S.A.
  • 3128505809 | +1 312-850-5809 Illinois U.S.A.
  • 3128505810 | +1 312-850-5810 Illinois U.S.A.
  • 3128505811 | +1 312-850-5811 Illinois U.S.A.
  • 3128505812 | +1 312-850-5812 Illinois U.S.A.
  • 3128505813 | +1 312-850-5813 Illinois U.S.A.
  • 3128505814 | +1 312-850-5814 Illinois U.S.A.
  • 3128505815 | +1 312-850-5815 Illinois U.S.A.
  • 3128505816 | +1 312-850-5816 Illinois U.S.A.
  • 3128505817 | +1 312-850-5817 Illinois U.S.A.
  • 3128505818 | +1 312-850-5818 Illinois U.S.A.
  • 3128505819 | +1 312-850-5819 Illinois U.S.A.
  • 3128505820 | +1 312-850-5820 Illinois U.S.A.
  • 3128505821 | +1 312-850-5821 Illinois U.S.A.
  • 3128505822 | +1 312-850-5822 Illinois U.S.A.
  • 3128505823 | +1 312-850-5823 Illinois U.S.A.
  • 3128505824 | +1 312-850-5824 Illinois U.S.A.
  • 3128505825 | +1 312-850-5825 Illinois U.S.A.
  • 3128505826 | +1 312-850-5826 Illinois U.S.A.
  • 3128505827 | +1 312-850-5827 Illinois U.S.A.
  • 3128505828 | +1 312-850-5828 Illinois U.S.A.
  • 3128505829 | +1 312-850-5829 Illinois U.S.A.
  • 3128505830 | +1 312-850-5830 Illinois U.S.A.
  • 3128505831 | +1 312-850-5831 Illinois U.S.A.
  • 3128505832 | +1 312-850-5832 Illinois U.S.A.
  • 3128505833 | +1 312-850-5833 Illinois U.S.A.
  • 3128505834 | +1 312-850-5834 Illinois U.S.A.
  • 3128505835 | +1 312-850-5835 Illinois U.S.A.
  • 3128505836 | +1 312-850-5836 Illinois U.S.A.
  • 3128505837 | +1 312-850-5837 Illinois U.S.A.
  • 3128505838 | +1 312-850-5838 Illinois U.S.A.
  • 3128505839 | +1 312-850-5839 Illinois U.S.A.
  • 3128505840 | +1 312-850-5840 Illinois U.S.A.
  • 3128505841 | +1 312-850-5841 Illinois U.S.A.
  • 3128505842 | +1 312-850-5842 Illinois U.S.A.
  • 3128505843 | +1 312-850-5843 Illinois U.S.A.
  • 3128505844 | +1 312-850-5844 Illinois U.S.A.
  • 3128505845 | +1 312-850-5845 Illinois U.S.A.
  • 3128505846 | +1 312-850-5846 Illinois U.S.A.
  • 3128505847 | +1 312-850-5847 Illinois U.S.A.
  • 3128505848 | +1 312-850-5848 Illinois U.S.A.
  • 3128505849 | +1 312-850-5849 Illinois U.S.A.
  • 3128505850 | +1 312-850-5850 Illinois U.S.A.
  • 3128505851 | +1 312-850-5851 Illinois U.S.A.
  • 3128505852 | +1 312-850-5852 Illinois U.S.A.
  • 3128505853 | +1 312-850-5853 Illinois U.S.A.
  • 3128505854 | +1 312-850-5854 Illinois U.S.A.
  • 3128505855 | +1 312-850-5855 Illinois U.S.A.
  • 3128505856 | +1 312-850-5856 Illinois U.S.A.
  • 3128505857 | +1 312-850-5857 Illinois U.S.A.
  • 3128505858 | +1 312-850-5858 Illinois U.S.A.
  • 3128505859 | +1 312-850-5859 Illinois U.S.A.
  • 3128505860 | +1 312-850-5860 Illinois U.S.A.
  • 3128505861 | +1 312-850-5861 Illinois U.S.A.
  • 3128505862 | +1 312-850-5862 Illinois U.S.A.
  • 3128505863 | +1 312-850-5863 Illinois U.S.A.
  • 3128505864 | +1 312-850-5864 Illinois U.S.A.
  • 3128505865 | +1 312-850-5865 Illinois U.S.A.
  • 3128505866 | +1 312-850-5866 Illinois U.S.A.
  • 3128505867 | +1 312-850-5867 Illinois U.S.A.
  • 3128505868 | +1 312-850-5868 Illinois U.S.A.
  • 3128505869 | +1 312-850-5869 Illinois U.S.A.
  • 3128505870 | +1 312-850-5870 Illinois U.S.A.
  • 3128505871 | +1 312-850-5871 Illinois U.S.A.
  • 3128505872 | +1 312-850-5872 Illinois U.S.A.
  • 3128505873 | +1 312-850-5873 Illinois U.S.A.
  • 3128505874 | +1 312-850-5874 Illinois U.S.A.
  • 3128505875 | +1 312-850-5875 Illinois U.S.A.
  • 3128505876 | +1 312-850-5876 Illinois U.S.A.
  • 3128505877 | +1 312-850-5877 Illinois U.S.A.
  • 3128505878 | +1 312-850-5878 Illinois U.S.A.
  • 3128505879 | +1 312-850-5879 Illinois U.S.A.
  • 3128505880 | +1 312-850-5880 Illinois U.S.A.
  • 3128505881 | +1 312-850-5881 Illinois U.S.A.
  • 3128505882 | +1 312-850-5882 Illinois U.S.A.
  • 3128505883 | +1 312-850-5883 Illinois U.S.A.
  • 3128505884 | +1 312-850-5884 Illinois U.S.A.
  • 3128505885 | +1 312-850-5885 Illinois U.S.A.
  • 3128505886 | +1 312-850-5886 Illinois U.S.A.
  • 3128505887 | +1 312-850-5887 Illinois U.S.A.
  • 3128505888 | +1 312-850-5888 Illinois U.S.A.
  • 3128505889 | +1 312-850-5889 Illinois U.S.A.
  • 3128505890 | +1 312-850-5890 Illinois U.S.A.
  • 3128505891 | +1 312-850-5891 Illinois U.S.A.
  • 3128505892 | +1 312-850-5892 Illinois U.S.A.
  • 3128505893 | +1 312-850-5893 Illinois U.S.A.
  • 3128505894 | +1 312-850-5894 Illinois U.S.A.
  • 3128505895 | +1 312-850-5895 Illinois U.S.A.
  • 3128505896 | +1 312-850-5896 Illinois U.S.A.
  • 3128505897 | +1 312-850-5897 Illinois U.S.A.
  • 3128505898 | +1 312-850-5898 Illinois U.S.A.
  • 3128505899 | +1 312-850-5899 Illinois U.S.A.