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).

  • 3129218800 | +1 312-921-8800 Illinois U.S.A.
  • 3129218801 | +1 312-921-8801 Illinois U.S.A.
  • 3129218802 | +1 312-921-8802 Illinois U.S.A.
  • 3129218803 | +1 312-921-8803 Illinois U.S.A.
  • 3129218804 | +1 312-921-8804 Illinois U.S.A.
  • 3129218805 | +1 312-921-8805 Illinois U.S.A.
  • 3129218806 | +1 312-921-8806 Illinois U.S.A.
  • 3129218807 | +1 312-921-8807 Illinois U.S.A.
  • 3129218808 | +1 312-921-8808 Illinois U.S.A.
  • 3129218809 | +1 312-921-8809 Illinois U.S.A.
  • 3129218810 | +1 312-921-8810 Illinois U.S.A.
  • 3129218811 | +1 312-921-8811 Illinois U.S.A.
  • 3129218812 | +1 312-921-8812 Illinois U.S.A.
  • 3129218813 | +1 312-921-8813 Illinois U.S.A.
  • 3129218814 | +1 312-921-8814 Illinois U.S.A.
  • 3129218815 | +1 312-921-8815 Illinois U.S.A.
  • 3129218816 | +1 312-921-8816 Illinois U.S.A.
  • 3129218817 | +1 312-921-8817 Illinois U.S.A.
  • 3129218818 | +1 312-921-8818 Illinois U.S.A.
  • 3129218819 | +1 312-921-8819 Illinois U.S.A.
  • 3129218820 | +1 312-921-8820 Illinois U.S.A.
  • 3129218821 | +1 312-921-8821 Illinois U.S.A.
  • 3129218822 | +1 312-921-8822 Illinois U.S.A.
  • 3129218823 | +1 312-921-8823 Illinois U.S.A.
  • 3129218824 | +1 312-921-8824 Illinois U.S.A.
  • 3129218825 | +1 312-921-8825 Illinois U.S.A.
  • 3129218826 | +1 312-921-8826 Illinois U.S.A.
  • 3129218827 | +1 312-921-8827 Illinois U.S.A.
  • 3129218828 | +1 312-921-8828 Illinois U.S.A.
  • 3129218829 | +1 312-921-8829 Illinois U.S.A.
  • 3129218830 | +1 312-921-8830 Illinois U.S.A.
  • 3129218831 | +1 312-921-8831 Illinois U.S.A.
  • 3129218832 | +1 312-921-8832 Illinois U.S.A.
  • 3129218833 | +1 312-921-8833 Illinois U.S.A.
  • 3129218834 | +1 312-921-8834 Illinois U.S.A.
  • 3129218835 | +1 312-921-8835 Illinois U.S.A.
  • 3129218836 | +1 312-921-8836 Illinois U.S.A.
  • 3129218837 | +1 312-921-8837 Illinois U.S.A.
  • 3129218838 | +1 312-921-8838 Illinois U.S.A.
  • 3129218839 | +1 312-921-8839 Illinois U.S.A.
  • 3129218840 | +1 312-921-8840 Illinois U.S.A.
  • 3129218841 | +1 312-921-8841 Illinois U.S.A.
  • 3129218842 | +1 312-921-8842 Illinois U.S.A.
  • 3129218843 | +1 312-921-8843 Illinois U.S.A.
  • 3129218844 | +1 312-921-8844 Illinois U.S.A.
  • 3129218845 | +1 312-921-8845 Illinois U.S.A.
  • 3129218846 | +1 312-921-8846 Illinois U.S.A.
  • 3129218847 | +1 312-921-8847 Illinois U.S.A.
  • 3129218848 | +1 312-921-8848 Illinois U.S.A.
  • 3129218849 | +1 312-921-8849 Illinois U.S.A.
  • 3129218850 | +1 312-921-8850 Illinois U.S.A.
  • 3129218851 | +1 312-921-8851 Illinois U.S.A.
  • 3129218852 | +1 312-921-8852 Illinois U.S.A.
  • 3129218853 | +1 312-921-8853 Illinois U.S.A.
  • 3129218854 | +1 312-921-8854 Illinois U.S.A.
  • 3129218855 | +1 312-921-8855 Illinois U.S.A.
  • 3129218856 | +1 312-921-8856 Illinois U.S.A.
  • 3129218857 | +1 312-921-8857 Illinois U.S.A.
  • 3129218858 | +1 312-921-8858 Illinois U.S.A.
  • 3129218859 | +1 312-921-8859 Illinois U.S.A.
  • 3129218860 | +1 312-921-8860 Illinois U.S.A.
  • 3129218861 | +1 312-921-8861 Illinois U.S.A.
  • 3129218862 | +1 312-921-8862 Illinois U.S.A.
  • 3129218863 | +1 312-921-8863 Illinois U.S.A.
  • 3129218864 | +1 312-921-8864 Illinois U.S.A.
  • 3129218865 | +1 312-921-8865 Illinois U.S.A.
  • 3129218866 | +1 312-921-8866 Illinois U.S.A.
  • 3129218867 | +1 312-921-8867 Illinois U.S.A.
  • 3129218868 | +1 312-921-8868 Illinois U.S.A.
  • 3129218869 | +1 312-921-8869 Illinois U.S.A.
  • 3129218870 | +1 312-921-8870 Illinois U.S.A.
  • 3129218871 | +1 312-921-8871 Illinois U.S.A.
  • 3129218872 | +1 312-921-8872 Illinois U.S.A.
  • 3129218873 | +1 312-921-8873 Illinois U.S.A.
  • 3129218874 | +1 312-921-8874 Illinois U.S.A.
  • 3129218875 | +1 312-921-8875 Illinois U.S.A.
  • 3129218876 | +1 312-921-8876 Illinois U.S.A.
  • 3129218877 | +1 312-921-8877 Illinois U.S.A.
  • 3129218878 | +1 312-921-8878 Illinois U.S.A.
  • 3129218879 | +1 312-921-8879 Illinois U.S.A.
  • 3129218880 | +1 312-921-8880 Illinois U.S.A.
  • 3129218881 | +1 312-921-8881 Illinois U.S.A.
  • 3129218882 | +1 312-921-8882 Illinois U.S.A.
  • 3129218883 | +1 312-921-8883 Illinois U.S.A.
  • 3129218884 | +1 312-921-8884 Illinois U.S.A.
  • 3129218885 | +1 312-921-8885 Illinois U.S.A.
  • 3129218886 | +1 312-921-8886 Illinois U.S.A.
  • 3129218887 | +1 312-921-8887 Illinois U.S.A.
  • 3129218888 | +1 312-921-8888 Illinois U.S.A.
  • 3129218889 | +1 312-921-8889 Illinois U.S.A.
  • 3129218890 | +1 312-921-8890 Illinois U.S.A.
  • 3129218891 | +1 312-921-8891 Illinois U.S.A.
  • 3129218892 | +1 312-921-8892 Illinois U.S.A.
  • 3129218893 | +1 312-921-8893 Illinois U.S.A.
  • 3129218894 | +1 312-921-8894 Illinois U.S.A.
  • 3129218895 | +1 312-921-8895 Illinois U.S.A.
  • 3129218896 | +1 312-921-8896 Illinois U.S.A.
  • 3129218897 | +1 312-921-8897 Illinois U.S.A.
  • 3129218898 | +1 312-921-8898 Illinois U.S.A.
  • 3129218899 | +1 312-921-8899 Illinois U.S.A.