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).

  • 3125037800 | +1 312-503-7800 Illinois U.S.A.
  • 3125037801 | +1 312-503-7801 Illinois U.S.A.
  • 3125037802 | +1 312-503-7802 Illinois U.S.A.
  • 3125037803 | +1 312-503-7803 Illinois U.S.A.
  • 3125037804 | +1 312-503-7804 Illinois U.S.A.
  • 3125037805 | +1 312-503-7805 Illinois U.S.A.
  • 3125037806 | +1 312-503-7806 Illinois U.S.A.
  • 3125037807 | +1 312-503-7807 Illinois U.S.A.
  • 3125037808 | +1 312-503-7808 Illinois U.S.A.
  • 3125037809 | +1 312-503-7809 Illinois U.S.A.
  • 3125037810 | +1 312-503-7810 Illinois U.S.A.
  • 3125037811 | +1 312-503-7811 Illinois U.S.A.
  • 3125037812 | +1 312-503-7812 Illinois U.S.A.
  • 3125037813 | +1 312-503-7813 Illinois U.S.A.
  • 3125037814 | +1 312-503-7814 Illinois U.S.A.
  • 3125037815 | +1 312-503-7815 Illinois U.S.A.
  • 3125037816 | +1 312-503-7816 Illinois U.S.A.
  • 3125037817 | +1 312-503-7817 Illinois U.S.A.
  • 3125037818 | +1 312-503-7818 Illinois U.S.A.
  • 3125037819 | +1 312-503-7819 Illinois U.S.A.
  • 3125037820 | +1 312-503-7820 Illinois U.S.A.
  • 3125037821 | +1 312-503-7821 Illinois U.S.A.
  • 3125037822 | +1 312-503-7822 Illinois U.S.A.
  • 3125037823 | +1 312-503-7823 Illinois U.S.A.
  • 3125037824 | +1 312-503-7824 Illinois U.S.A.
  • 3125037825 | +1 312-503-7825 Illinois U.S.A.
  • 3125037826 | +1 312-503-7826 Illinois U.S.A.
  • 3125037827 | +1 312-503-7827 Illinois U.S.A.
  • 3125037828 | +1 312-503-7828 Illinois U.S.A.
  • 3125037829 | +1 312-503-7829 Illinois U.S.A.
  • 3125037830 | +1 312-503-7830 Illinois U.S.A.
  • 3125037831 | +1 312-503-7831 Illinois U.S.A.
  • 3125037832 | +1 312-503-7832 Illinois U.S.A.
  • 3125037833 | +1 312-503-7833 Illinois U.S.A.
  • 3125037834 | +1 312-503-7834 Illinois U.S.A.
  • 3125037835 | +1 312-503-7835 Illinois U.S.A.
  • 3125037836 | +1 312-503-7836 Illinois U.S.A.
  • 3125037837 | +1 312-503-7837 Illinois U.S.A.
  • 3125037838 | +1 312-503-7838 Illinois U.S.A.
  • 3125037839 | +1 312-503-7839 Illinois U.S.A.
  • 3125037840 | +1 312-503-7840 Illinois U.S.A.
  • 3125037841 | +1 312-503-7841 Illinois U.S.A.
  • 3125037842 | +1 312-503-7842 Illinois U.S.A.
  • 3125037843 | +1 312-503-7843 Illinois U.S.A.
  • 3125037844 | +1 312-503-7844 Illinois U.S.A.
  • 3125037845 | +1 312-503-7845 Illinois U.S.A.
  • 3125037846 | +1 312-503-7846 Illinois U.S.A.
  • 3125037847 | +1 312-503-7847 Illinois U.S.A.
  • 3125037848 | +1 312-503-7848 Illinois U.S.A.
  • 3125037849 | +1 312-503-7849 Illinois U.S.A.
  • 3125037850 | +1 312-503-7850 Illinois U.S.A.
  • 3125037851 | +1 312-503-7851 Illinois U.S.A.
  • 3125037852 | +1 312-503-7852 Illinois U.S.A.
  • 3125037853 | +1 312-503-7853 Illinois U.S.A.
  • 3125037854 | +1 312-503-7854 Illinois U.S.A.
  • 3125037855 | +1 312-503-7855 Illinois U.S.A.
  • 3125037856 | +1 312-503-7856 Illinois U.S.A.
  • 3125037857 | +1 312-503-7857 Illinois U.S.A.
  • 3125037858 | +1 312-503-7858 Illinois U.S.A.
  • 3125037859 | +1 312-503-7859 Illinois U.S.A.
  • 3125037860 | +1 312-503-7860 Illinois U.S.A.
  • 3125037861 | +1 312-503-7861 Illinois U.S.A.
  • 3125037862 | +1 312-503-7862 Illinois U.S.A.
  • 3125037863 | +1 312-503-7863 Illinois U.S.A.
  • 3125037864 | +1 312-503-7864 Illinois U.S.A.
  • 3125037865 | +1 312-503-7865 Illinois U.S.A.
  • 3125037866 | +1 312-503-7866 Illinois U.S.A.
  • 3125037867 | +1 312-503-7867 Illinois U.S.A.
  • 3125037868 | +1 312-503-7868 Illinois U.S.A.
  • 3125037869 | +1 312-503-7869 Illinois U.S.A.
  • 3125037870 | +1 312-503-7870 Illinois U.S.A.
  • 3125037871 | +1 312-503-7871 Illinois U.S.A.
  • 3125037872 | +1 312-503-7872 Illinois U.S.A.
  • 3125037873 | +1 312-503-7873 Illinois U.S.A.
  • 3125037874 | +1 312-503-7874 Illinois U.S.A.
  • 3125037875 | +1 312-503-7875 Illinois U.S.A.
  • 3125037876 | +1 312-503-7876 Illinois U.S.A.
  • 3125037877 | +1 312-503-7877 Illinois U.S.A.
  • 3125037878 | +1 312-503-7878 Illinois U.S.A.
  • 3125037879 | +1 312-503-7879 Illinois U.S.A.
  • 3125037880 | +1 312-503-7880 Illinois U.S.A.
  • 3125037881 | +1 312-503-7881 Illinois U.S.A.
  • 3125037882 | +1 312-503-7882 Illinois U.S.A.
  • 3125037883 | +1 312-503-7883 Illinois U.S.A.
  • 3125037884 | +1 312-503-7884 Illinois U.S.A.
  • 3125037885 | +1 312-503-7885 Illinois U.S.A.
  • 3125037886 | +1 312-503-7886 Illinois U.S.A.
  • 3125037887 | +1 312-503-7887 Illinois U.S.A.
  • 3125037888 | +1 312-503-7888 Illinois U.S.A.
  • 3125037889 | +1 312-503-7889 Illinois U.S.A.
  • 3125037890 | +1 312-503-7890 Illinois U.S.A.
  • 3125037891 | +1 312-503-7891 Illinois U.S.A.
  • 3125037892 | +1 312-503-7892 Illinois U.S.A.
  • 3125037893 | +1 312-503-7893 Illinois U.S.A.
  • 3125037894 | +1 312-503-7894 Illinois U.S.A.
  • 3125037895 | +1 312-503-7895 Illinois U.S.A.
  • 3125037896 | +1 312-503-7896 Illinois U.S.A.
  • 3125037897 | +1 312-503-7897 Illinois U.S.A.
  • 3125037898 | +1 312-503-7898 Illinois U.S.A.
  • 3125037899 | +1 312-503-7899 Illinois U.S.A.