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).

  • 3129212800 | +1 312-921-2800 Illinois U.S.A.
  • 3129212801 | +1 312-921-2801 Illinois U.S.A.
  • 3129212802 | +1 312-921-2802 Illinois U.S.A.
  • 3129212803 | +1 312-921-2803 Illinois U.S.A.
  • 3129212804 | +1 312-921-2804 Illinois U.S.A.
  • 3129212805 | +1 312-921-2805 Illinois U.S.A.
  • 3129212806 | +1 312-921-2806 Illinois U.S.A.
  • 3129212807 | +1 312-921-2807 Illinois U.S.A.
  • 3129212808 | +1 312-921-2808 Illinois U.S.A.
  • 3129212809 | +1 312-921-2809 Illinois U.S.A.
  • 3129212810 | +1 312-921-2810 Illinois U.S.A.
  • 3129212811 | +1 312-921-2811 Illinois U.S.A.
  • 3129212812 | +1 312-921-2812 Illinois U.S.A.
  • 3129212813 | +1 312-921-2813 Illinois U.S.A.
  • 3129212814 | +1 312-921-2814 Illinois U.S.A.
  • 3129212815 | +1 312-921-2815 Illinois U.S.A.
  • 3129212816 | +1 312-921-2816 Illinois U.S.A.
  • 3129212817 | +1 312-921-2817 Illinois U.S.A.
  • 3129212818 | +1 312-921-2818 Illinois U.S.A.
  • 3129212819 | +1 312-921-2819 Illinois U.S.A.
  • 3129212820 | +1 312-921-2820 Illinois U.S.A.
  • 3129212821 | +1 312-921-2821 Illinois U.S.A.
  • 3129212822 | +1 312-921-2822 Illinois U.S.A.
  • 3129212823 | +1 312-921-2823 Illinois U.S.A.
  • 3129212824 | +1 312-921-2824 Illinois U.S.A.
  • 3129212825 | +1 312-921-2825 Illinois U.S.A.
  • 3129212826 | +1 312-921-2826 Illinois U.S.A.
  • 3129212827 | +1 312-921-2827 Illinois U.S.A.
  • 3129212828 | +1 312-921-2828 Illinois U.S.A.
  • 3129212829 | +1 312-921-2829 Illinois U.S.A.
  • 3129212830 | +1 312-921-2830 Illinois U.S.A.
  • 3129212831 | +1 312-921-2831 Illinois U.S.A.
  • 3129212832 | +1 312-921-2832 Illinois U.S.A.
  • 3129212833 | +1 312-921-2833 Illinois U.S.A.
  • 3129212834 | +1 312-921-2834 Illinois U.S.A.
  • 3129212835 | +1 312-921-2835 Illinois U.S.A.
  • 3129212836 | +1 312-921-2836 Illinois U.S.A.
  • 3129212837 | +1 312-921-2837 Illinois U.S.A.
  • 3129212838 | +1 312-921-2838 Illinois U.S.A.
  • 3129212839 | +1 312-921-2839 Illinois U.S.A.
  • 3129212840 | +1 312-921-2840 Illinois U.S.A.
  • 3129212841 | +1 312-921-2841 Illinois U.S.A.
  • 3129212842 | +1 312-921-2842 Illinois U.S.A.
  • 3129212843 | +1 312-921-2843 Illinois U.S.A.
  • 3129212844 | +1 312-921-2844 Illinois U.S.A.
  • 3129212845 | +1 312-921-2845 Illinois U.S.A.
  • 3129212846 | +1 312-921-2846 Illinois U.S.A.
  • 3129212847 | +1 312-921-2847 Illinois U.S.A.
  • 3129212848 | +1 312-921-2848 Illinois U.S.A.
  • 3129212849 | +1 312-921-2849 Illinois U.S.A.
  • 3129212850 | +1 312-921-2850 Illinois U.S.A.
  • 3129212851 | +1 312-921-2851 Illinois U.S.A.
  • 3129212852 | +1 312-921-2852 Illinois U.S.A.
  • 3129212853 | +1 312-921-2853 Illinois U.S.A.
  • 3129212854 | +1 312-921-2854 Illinois U.S.A.
  • 3129212855 | +1 312-921-2855 Illinois U.S.A.
  • 3129212856 | +1 312-921-2856 Illinois U.S.A.
  • 3129212857 | +1 312-921-2857 Illinois U.S.A.
  • 3129212858 | +1 312-921-2858 Illinois U.S.A.
  • 3129212859 | +1 312-921-2859 Illinois U.S.A.
  • 3129212860 | +1 312-921-2860 Illinois U.S.A.
  • 3129212861 | +1 312-921-2861 Illinois U.S.A.
  • 3129212862 | +1 312-921-2862 Illinois U.S.A.
  • 3129212863 | +1 312-921-2863 Illinois U.S.A.
  • 3129212864 | +1 312-921-2864 Illinois U.S.A.
  • 3129212865 | +1 312-921-2865 Illinois U.S.A.
  • 3129212866 | +1 312-921-2866 Illinois U.S.A.
  • 3129212867 | +1 312-921-2867 Illinois U.S.A.
  • 3129212868 | +1 312-921-2868 Illinois U.S.A.
  • 3129212869 | +1 312-921-2869 Illinois U.S.A.
  • 3129212870 | +1 312-921-2870 Illinois U.S.A.
  • 3129212871 | +1 312-921-2871 Illinois U.S.A.
  • 3129212872 | +1 312-921-2872 Illinois U.S.A.
  • 3129212873 | +1 312-921-2873 Illinois U.S.A.
  • 3129212874 | +1 312-921-2874 Illinois U.S.A.
  • 3129212875 | +1 312-921-2875 Illinois U.S.A.
  • 3129212876 | +1 312-921-2876 Illinois U.S.A.
  • 3129212877 | +1 312-921-2877 Illinois U.S.A.
  • 3129212878 | +1 312-921-2878 Illinois U.S.A.
  • 3129212879 | +1 312-921-2879 Illinois U.S.A.
  • 3129212880 | +1 312-921-2880 Illinois U.S.A.
  • 3129212881 | +1 312-921-2881 Illinois U.S.A.
  • 3129212882 | +1 312-921-2882 Illinois U.S.A.
  • 3129212883 | +1 312-921-2883 Illinois U.S.A.
  • 3129212884 | +1 312-921-2884 Illinois U.S.A.
  • 3129212885 | +1 312-921-2885 Illinois U.S.A.
  • 3129212886 | +1 312-921-2886 Illinois U.S.A.
  • 3129212887 | +1 312-921-2887 Illinois U.S.A.
  • 3129212888 | +1 312-921-2888 Illinois U.S.A.
  • 3129212889 | +1 312-921-2889 Illinois U.S.A.
  • 3129212890 | +1 312-921-2890 Illinois U.S.A.
  • 3129212891 | +1 312-921-2891 Illinois U.S.A.
  • 3129212892 | +1 312-921-2892 Illinois U.S.A.
  • 3129212893 | +1 312-921-2893 Illinois U.S.A.
  • 3129212894 | +1 312-921-2894 Illinois U.S.A.
  • 3129212895 | +1 312-921-2895 Illinois U.S.A.
  • 3129212896 | +1 312-921-2896 Illinois U.S.A.
  • 3129212897 | +1 312-921-2897 Illinois U.S.A.
  • 3129212898 | +1 312-921-2898 Illinois U.S.A.
  • 3129212899 | +1 312-921-2899 Illinois U.S.A.