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).

  • 3123000900 | +1 312-300-0900 Illinois U.S.A.
  • 3123000901 | +1 312-300-0901 Illinois U.S.A.
  • 3123000902 | +1 312-300-0902 Illinois U.S.A.
  • 3123000903 | +1 312-300-0903 Illinois U.S.A.
  • 3123000904 | +1 312-300-0904 Illinois U.S.A.
  • 3123000905 | +1 312-300-0905 Illinois U.S.A.
  • 3123000906 | +1 312-300-0906 Illinois U.S.A.
  • 3123000907 | +1 312-300-0907 Illinois U.S.A.
  • 3123000908 | +1 312-300-0908 Illinois U.S.A.
  • 3123000909 | +1 312-300-0909 Illinois U.S.A.
  • 3123000910 | +1 312-300-0910 Illinois U.S.A.
  • 3123000911 | +1 312-300-0911 Illinois U.S.A.
  • 3123000912 | +1 312-300-0912 Illinois U.S.A.
  • 3123000913 | +1 312-300-0913 Illinois U.S.A.
  • 3123000914 | +1 312-300-0914 Illinois U.S.A.
  • 3123000915 | +1 312-300-0915 Illinois U.S.A.
  • 3123000916 | +1 312-300-0916 Illinois U.S.A.
  • 3123000917 | +1 312-300-0917 Illinois U.S.A.
  • 3123000918 | +1 312-300-0918 Illinois U.S.A.
  • 3123000919 | +1 312-300-0919 Illinois U.S.A.
  • 3123000920 | +1 312-300-0920 Illinois U.S.A.
  • 3123000921 | +1 312-300-0921 Illinois U.S.A.
  • 3123000922 | +1 312-300-0922 Illinois U.S.A.
  • 3123000923 | +1 312-300-0923 Illinois U.S.A.
  • 3123000924 | +1 312-300-0924 Illinois U.S.A.
  • 3123000925 | +1 312-300-0925 Illinois U.S.A.
  • 3123000926 | +1 312-300-0926 Illinois U.S.A.
  • 3123000927 | +1 312-300-0927 Illinois U.S.A.
  • 3123000928 | +1 312-300-0928 Illinois U.S.A.
  • 3123000929 | +1 312-300-0929 Illinois U.S.A.
  • 3123000930 | +1 312-300-0930 Illinois U.S.A.
  • 3123000931 | +1 312-300-0931 Illinois U.S.A.
  • 3123000932 | +1 312-300-0932 Illinois U.S.A.
  • 3123000933 | +1 312-300-0933 Illinois U.S.A.
  • 3123000934 | +1 312-300-0934 Illinois U.S.A.
  • 3123000935 | +1 312-300-0935 Illinois U.S.A.
  • 3123000936 | +1 312-300-0936 Illinois U.S.A.
  • 3123000937 | +1 312-300-0937 Illinois U.S.A.
  • 3123000938 | +1 312-300-0938 Illinois U.S.A.
  • 3123000939 | +1 312-300-0939 Illinois U.S.A.
  • 3123000940 | +1 312-300-0940 Illinois U.S.A.
  • 3123000941 | +1 312-300-0941 Illinois U.S.A.
  • 3123000942 | +1 312-300-0942 Illinois U.S.A.
  • 3123000943 | +1 312-300-0943 Illinois U.S.A.
  • 3123000944 | +1 312-300-0944 Illinois U.S.A.
  • 3123000945 | +1 312-300-0945 Illinois U.S.A.
  • 3123000946 | +1 312-300-0946 Illinois U.S.A.
  • 3123000947 | +1 312-300-0947 Illinois U.S.A.
  • 3123000948 | +1 312-300-0948 Illinois U.S.A.
  • 3123000949 | +1 312-300-0949 Illinois U.S.A.
  • 3123000950 | +1 312-300-0950 Illinois U.S.A.
  • 3123000951 | +1 312-300-0951 Illinois U.S.A.
  • 3123000952 | +1 312-300-0952 Illinois U.S.A.
  • 3123000953 | +1 312-300-0953 Illinois U.S.A.
  • 3123000954 | +1 312-300-0954 Illinois U.S.A.
  • 3123000955 | +1 312-300-0955 Illinois U.S.A.
  • 3123000956 | +1 312-300-0956 Illinois U.S.A.
  • 3123000957 | +1 312-300-0957 Illinois U.S.A.
  • 3123000958 | +1 312-300-0958 Illinois U.S.A.
  • 3123000959 | +1 312-300-0959 Illinois U.S.A.
  • 3123000960 | +1 312-300-0960 Illinois U.S.A.
  • 3123000961 | +1 312-300-0961 Illinois U.S.A.
  • 3123000962 | +1 312-300-0962 Illinois U.S.A.
  • 3123000963 | +1 312-300-0963 Illinois U.S.A.
  • 3123000964 | +1 312-300-0964 Illinois U.S.A.
  • 3123000965 | +1 312-300-0965 Illinois U.S.A.
  • 3123000966 | +1 312-300-0966 Illinois U.S.A.
  • 3123000967 | +1 312-300-0967 Illinois U.S.A.
  • 3123000968 | +1 312-300-0968 Illinois U.S.A.
  • 3123000969 | +1 312-300-0969 Illinois U.S.A.
  • 3123000970 | +1 312-300-0970 Illinois U.S.A.
  • 3123000971 | +1 312-300-0971 Illinois U.S.A.
  • 3123000972 | +1 312-300-0972 Illinois U.S.A.
  • 3123000973 | +1 312-300-0973 Illinois U.S.A.
  • 3123000974 | +1 312-300-0974 Illinois U.S.A.
  • 3123000975 | +1 312-300-0975 Illinois U.S.A.
  • 3123000976 | +1 312-300-0976 Illinois U.S.A.
  • 3123000977 | +1 312-300-0977 Illinois U.S.A.
  • 3123000978 | +1 312-300-0978 Illinois U.S.A.
  • 3123000979 | +1 312-300-0979 Illinois U.S.A.
  • 3123000980 | +1 312-300-0980 Illinois U.S.A.
  • 3123000981 | +1 312-300-0981 Illinois U.S.A.
  • 3123000982 | +1 312-300-0982 Illinois U.S.A.
  • 3123000983 | +1 312-300-0983 Illinois U.S.A.
  • 3123000984 | +1 312-300-0984 Illinois U.S.A.
  • 3123000985 | +1 312-300-0985 Illinois U.S.A.
  • 3123000986 | +1 312-300-0986 Illinois U.S.A.
  • 3123000987 | +1 312-300-0987 Illinois U.S.A.
  • 3123000988 | +1 312-300-0988 Illinois U.S.A.
  • 3123000989 | +1 312-300-0989 Illinois U.S.A.
  • 3123000990 | +1 312-300-0990 Illinois U.S.A.
  • 3123000991 | +1 312-300-0991 Illinois U.S.A.
  • 3123000992 | +1 312-300-0992 Illinois U.S.A.
  • 3123000993 | +1 312-300-0993 Illinois U.S.A.
  • 3123000994 | +1 312-300-0994 Illinois U.S.A.
  • 3123000995 | +1 312-300-0995 Illinois U.S.A.
  • 3123000996 | +1 312-300-0996 Illinois U.S.A.
  • 3123000997 | +1 312-300-0997 Illinois U.S.A.
  • 3123000998 | +1 312-300-0998 Illinois U.S.A.
  • 3123000999 | +1 312-300-0999 Illinois U.S.A.