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).

  • 3129922800 | +1 312-992-2800 Illinois U.S.A.
  • 3129922801 | +1 312-992-2801 Illinois U.S.A.
  • 3129922802 | +1 312-992-2802 Illinois U.S.A.
  • 3129922803 | +1 312-992-2803 Illinois U.S.A.
  • 3129922804 | +1 312-992-2804 Illinois U.S.A.
  • 3129922805 | +1 312-992-2805 Illinois U.S.A.
  • 3129922806 | +1 312-992-2806 Illinois U.S.A.
  • 3129922807 | +1 312-992-2807 Illinois U.S.A.
  • 3129922808 | +1 312-992-2808 Illinois U.S.A.
  • 3129922809 | +1 312-992-2809 Illinois U.S.A.
  • 3129922810 | +1 312-992-2810 Illinois U.S.A.
  • 3129922811 | +1 312-992-2811 Illinois U.S.A.
  • 3129922812 | +1 312-992-2812 Illinois U.S.A.
  • 3129922813 | +1 312-992-2813 Illinois U.S.A.
  • 3129922814 | +1 312-992-2814 Illinois U.S.A.
  • 3129922815 | +1 312-992-2815 Illinois U.S.A.
  • 3129922816 | +1 312-992-2816 Illinois U.S.A.
  • 3129922817 | +1 312-992-2817 Illinois U.S.A.
  • 3129922818 | +1 312-992-2818 Illinois U.S.A.
  • 3129922819 | +1 312-992-2819 Illinois U.S.A.
  • 3129922820 | +1 312-992-2820 Illinois U.S.A.
  • 3129922821 | +1 312-992-2821 Illinois U.S.A.
  • 3129922822 | +1 312-992-2822 Illinois U.S.A.
  • 3129922823 | +1 312-992-2823 Illinois U.S.A.
  • 3129922824 | +1 312-992-2824 Illinois U.S.A.
  • 3129922825 | +1 312-992-2825 Illinois U.S.A.
  • 3129922826 | +1 312-992-2826 Illinois U.S.A.
  • 3129922827 | +1 312-992-2827 Illinois U.S.A.
  • 3129922828 | +1 312-992-2828 Illinois U.S.A.
  • 3129922829 | +1 312-992-2829 Illinois U.S.A.
  • 3129922830 | +1 312-992-2830 Illinois U.S.A.
  • 3129922831 | +1 312-992-2831 Illinois U.S.A.
  • 3129922832 | +1 312-992-2832 Illinois U.S.A.
  • 3129922833 | +1 312-992-2833 Illinois U.S.A.
  • 3129922834 | +1 312-992-2834 Illinois U.S.A.
  • 3129922835 | +1 312-992-2835 Illinois U.S.A.
  • 3129922836 | +1 312-992-2836 Illinois U.S.A.
  • 3129922837 | +1 312-992-2837 Illinois U.S.A.
  • 3129922838 | +1 312-992-2838 Illinois U.S.A.
  • 3129922839 | +1 312-992-2839 Illinois U.S.A.
  • 3129922840 | +1 312-992-2840 Illinois U.S.A.
  • 3129922841 | +1 312-992-2841 Illinois U.S.A.
  • 3129922842 | +1 312-992-2842 Illinois U.S.A.
  • 3129922843 | +1 312-992-2843 Illinois U.S.A.
  • 3129922844 | +1 312-992-2844 Illinois U.S.A.
  • 3129922845 | +1 312-992-2845 Illinois U.S.A.
  • 3129922846 | +1 312-992-2846 Illinois U.S.A.
  • 3129922847 | +1 312-992-2847 Illinois U.S.A.
  • 3129922848 | +1 312-992-2848 Illinois U.S.A.
  • 3129922849 | +1 312-992-2849 Illinois U.S.A.
  • 3129922850 | +1 312-992-2850 Illinois U.S.A.
  • 3129922851 | +1 312-992-2851 Illinois U.S.A.
  • 3129922852 | +1 312-992-2852 Illinois U.S.A.
  • 3129922853 | +1 312-992-2853 Illinois U.S.A.
  • 3129922854 | +1 312-992-2854 Illinois U.S.A.
  • 3129922855 | +1 312-992-2855 Illinois U.S.A.
  • 3129922856 | +1 312-992-2856 Illinois U.S.A.
  • 3129922857 | +1 312-992-2857 Illinois U.S.A.
  • 3129922858 | +1 312-992-2858 Illinois U.S.A.
  • 3129922859 | +1 312-992-2859 Illinois U.S.A.
  • 3129922860 | +1 312-992-2860 Illinois U.S.A.
  • 3129922861 | +1 312-992-2861 Illinois U.S.A.
  • 3129922862 | +1 312-992-2862 Illinois U.S.A.
  • 3129922863 | +1 312-992-2863 Illinois U.S.A.
  • 3129922864 | +1 312-992-2864 Illinois U.S.A.
  • 3129922865 | +1 312-992-2865 Illinois U.S.A.
  • 3129922866 | +1 312-992-2866 Illinois U.S.A.
  • 3129922867 | +1 312-992-2867 Illinois U.S.A.
  • 3129922868 | +1 312-992-2868 Illinois U.S.A.
  • 3129922869 | +1 312-992-2869 Illinois U.S.A.
  • 3129922870 | +1 312-992-2870 Illinois U.S.A.
  • 3129922871 | +1 312-992-2871 Illinois U.S.A.
  • 3129922872 | +1 312-992-2872 Illinois U.S.A.
  • 3129922873 | +1 312-992-2873 Illinois U.S.A.
  • 3129922874 | +1 312-992-2874 Illinois U.S.A.
  • 3129922875 | +1 312-992-2875 Illinois U.S.A.
  • 3129922876 | +1 312-992-2876 Illinois U.S.A.
  • 3129922877 | +1 312-992-2877 Illinois U.S.A.
  • 3129922878 | +1 312-992-2878 Illinois U.S.A.
  • 3129922879 | +1 312-992-2879 Illinois U.S.A.
  • 3129922880 | +1 312-992-2880 Illinois U.S.A.
  • 3129922881 | +1 312-992-2881 Illinois U.S.A.
  • 3129922882 | +1 312-992-2882 Illinois U.S.A.
  • 3129922883 | +1 312-992-2883 Illinois U.S.A.
  • 3129922884 | +1 312-992-2884 Illinois U.S.A.
  • 3129922885 | +1 312-992-2885 Illinois U.S.A.
  • 3129922886 | +1 312-992-2886 Illinois U.S.A.
  • 3129922887 | +1 312-992-2887 Illinois U.S.A.
  • 3129922888 | +1 312-992-2888 Illinois U.S.A.
  • 3129922889 | +1 312-992-2889 Illinois U.S.A.
  • 3129922890 | +1 312-992-2890 Illinois U.S.A.
  • 3129922891 | +1 312-992-2891 Illinois U.S.A.
  • 3129922892 | +1 312-992-2892 Illinois U.S.A.
  • 3129922893 | +1 312-992-2893 Illinois U.S.A.
  • 3129922894 | +1 312-992-2894 Illinois U.S.A.
  • 3129922895 | +1 312-992-2895 Illinois U.S.A.
  • 3129922896 | +1 312-992-2896 Illinois U.S.A.
  • 3129922897 | +1 312-992-2897 Illinois U.S.A.
  • 3129922898 | +1 312-992-2898 Illinois U.S.A.
  • 3129922899 | +1 312-992-2899 Illinois U.S.A.