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).

  • 3129929900 | +1 312-992-9900 Illinois U.S.A.
  • 3129929901 | +1 312-992-9901 Illinois U.S.A.
  • 3129929902 | +1 312-992-9902 Illinois U.S.A.
  • 3129929903 | +1 312-992-9903 Illinois U.S.A.
  • 3129929904 | +1 312-992-9904 Illinois U.S.A.
  • 3129929905 | +1 312-992-9905 Illinois U.S.A.
  • 3129929906 | +1 312-992-9906 Illinois U.S.A.
  • 3129929907 | +1 312-992-9907 Illinois U.S.A.
  • 3129929908 | +1 312-992-9908 Illinois U.S.A.
  • 3129929909 | +1 312-992-9909 Illinois U.S.A.
  • 3129929910 | +1 312-992-9910 Illinois U.S.A.
  • 3129929911 | +1 312-992-9911 Illinois U.S.A.
  • 3129929912 | +1 312-992-9912 Illinois U.S.A.
  • 3129929913 | +1 312-992-9913 Illinois U.S.A.
  • 3129929914 | +1 312-992-9914 Illinois U.S.A.
  • 3129929915 | +1 312-992-9915 Illinois U.S.A.
  • 3129929916 | +1 312-992-9916 Illinois U.S.A.
  • 3129929917 | +1 312-992-9917 Illinois U.S.A.
  • 3129929918 | +1 312-992-9918 Illinois U.S.A.
  • 3129929919 | +1 312-992-9919 Illinois U.S.A.
  • 3129929920 | +1 312-992-9920 Illinois U.S.A.
  • 3129929921 | +1 312-992-9921 Illinois U.S.A.
  • 3129929922 | +1 312-992-9922 Illinois U.S.A.
  • 3129929923 | +1 312-992-9923 Illinois U.S.A.
  • 3129929924 | +1 312-992-9924 Illinois U.S.A.
  • 3129929925 | +1 312-992-9925 Illinois U.S.A.
  • 3129929926 | +1 312-992-9926 Illinois U.S.A.
  • 3129929927 | +1 312-992-9927 Illinois U.S.A.
  • 3129929928 | +1 312-992-9928 Illinois U.S.A.
  • 3129929929 | +1 312-992-9929 Illinois U.S.A.
  • 3129929930 | +1 312-992-9930 Illinois U.S.A.
  • 3129929931 | +1 312-992-9931 Illinois U.S.A.
  • 3129929932 | +1 312-992-9932 Illinois U.S.A.
  • 3129929933 | +1 312-992-9933 Illinois U.S.A.
  • 3129929934 | +1 312-992-9934 Illinois U.S.A.
  • 3129929935 | +1 312-992-9935 Illinois U.S.A.
  • 3129929936 | +1 312-992-9936 Illinois U.S.A.
  • 3129929937 | +1 312-992-9937 Illinois U.S.A.
  • 3129929938 | +1 312-992-9938 Illinois U.S.A.
  • 3129929939 | +1 312-992-9939 Illinois U.S.A.
  • 3129929940 | +1 312-992-9940 Illinois U.S.A.
  • 3129929941 | +1 312-992-9941 Illinois U.S.A.
  • 3129929942 | +1 312-992-9942 Illinois U.S.A.
  • 3129929943 | +1 312-992-9943 Illinois U.S.A.
  • 3129929944 | +1 312-992-9944 Illinois U.S.A.
  • 3129929945 | +1 312-992-9945 Illinois U.S.A.
  • 3129929946 | +1 312-992-9946 Illinois U.S.A.
  • 3129929947 | +1 312-992-9947 Illinois U.S.A.
  • 3129929948 | +1 312-992-9948 Illinois U.S.A.
  • 3129929949 | +1 312-992-9949 Illinois U.S.A.
  • 3129929950 | +1 312-992-9950 Illinois U.S.A.
  • 3129929951 | +1 312-992-9951 Illinois U.S.A.
  • 3129929952 | +1 312-992-9952 Illinois U.S.A.
  • 3129929953 | +1 312-992-9953 Illinois U.S.A.
  • 3129929954 | +1 312-992-9954 Illinois U.S.A.
  • 3129929955 | +1 312-992-9955 Illinois U.S.A.
  • 3129929956 | +1 312-992-9956 Illinois U.S.A.
  • 3129929957 | +1 312-992-9957 Illinois U.S.A.
  • 3129929958 | +1 312-992-9958 Illinois U.S.A.
  • 3129929959 | +1 312-992-9959 Illinois U.S.A.
  • 3129929960 | +1 312-992-9960 Illinois U.S.A.
  • 3129929961 | +1 312-992-9961 Illinois U.S.A.
  • 3129929962 | +1 312-992-9962 Illinois U.S.A.
  • 3129929963 | +1 312-992-9963 Illinois U.S.A.
  • 3129929964 | +1 312-992-9964 Illinois U.S.A.
  • 3129929965 | +1 312-992-9965 Illinois U.S.A.
  • 3129929966 | +1 312-992-9966 Illinois U.S.A.
  • 3129929967 | +1 312-992-9967 Illinois U.S.A.
  • 3129929968 | +1 312-992-9968 Illinois U.S.A.
  • 3129929969 | +1 312-992-9969 Illinois U.S.A.
  • 3129929970 | +1 312-992-9970 Illinois U.S.A.
  • 3129929971 | +1 312-992-9971 Illinois U.S.A.
  • 3129929972 | +1 312-992-9972 Illinois U.S.A.
  • 3129929973 | +1 312-992-9973 Illinois U.S.A.
  • 3129929974 | +1 312-992-9974 Illinois U.S.A.
  • 3129929975 | +1 312-992-9975 Illinois U.S.A.
  • 3129929976 | +1 312-992-9976 Illinois U.S.A.
  • 3129929977 | +1 312-992-9977 Illinois U.S.A.
  • 3129929978 | +1 312-992-9978 Illinois U.S.A.
  • 3129929979 | +1 312-992-9979 Illinois U.S.A.
  • 3129929980 | +1 312-992-9980 Illinois U.S.A.
  • 3129929981 | +1 312-992-9981 Illinois U.S.A.
  • 3129929982 | +1 312-992-9982 Illinois U.S.A.
  • 3129929983 | +1 312-992-9983 Illinois U.S.A.
  • 3129929984 | +1 312-992-9984 Illinois U.S.A.
  • 3129929985 | +1 312-992-9985 Illinois U.S.A.
  • 3129929986 | +1 312-992-9986 Illinois U.S.A.
  • 3129929987 | +1 312-992-9987 Illinois U.S.A.
  • 3129929988 | +1 312-992-9988 Illinois U.S.A.
  • 3129929989 | +1 312-992-9989 Illinois U.S.A.
  • 3129929990 | +1 312-992-9990 Illinois U.S.A.
  • 3129929991 | +1 312-992-9991 Illinois U.S.A.
  • 3129929992 | +1 312-992-9992 Illinois U.S.A.
  • 3129929993 | +1 312-992-9993 Illinois U.S.A.
  • 3129929994 | +1 312-992-9994 Illinois U.S.A.
  • 3129929995 | +1 312-992-9995 Illinois U.S.A.
  • 3129929996 | +1 312-992-9996 Illinois U.S.A.
  • 3129929997 | +1 312-992-9997 Illinois U.S.A.
  • 3129929998 | +1 312-992-9998 Illinois U.S.A.
  • 3129929999 | +1 312-992-9999 Illinois U.S.A.