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).

  • 3128990900 | +1 312-899-0900 Illinois U.S.A.
  • 3128990901 | +1 312-899-0901 Illinois U.S.A.
  • 3128990902 | +1 312-899-0902 Illinois U.S.A.
  • 3128990903 | +1 312-899-0903 Illinois U.S.A.
  • 3128990904 | +1 312-899-0904 Illinois U.S.A.
  • 3128990905 | +1 312-899-0905 Illinois U.S.A.
  • 3128990906 | +1 312-899-0906 Illinois U.S.A.
  • 3128990907 | +1 312-899-0907 Illinois U.S.A.
  • 3128990908 | +1 312-899-0908 Illinois U.S.A.
  • 3128990909 | +1 312-899-0909 Illinois U.S.A.
  • 3128990910 | +1 312-899-0910 Illinois U.S.A.
  • 3128990911 | +1 312-899-0911 Illinois U.S.A.
  • 3128990912 | +1 312-899-0912 Illinois U.S.A.
  • 3128990913 | +1 312-899-0913 Illinois U.S.A.
  • 3128990914 | +1 312-899-0914 Illinois U.S.A.
  • 3128990915 | +1 312-899-0915 Illinois U.S.A.
  • 3128990916 | +1 312-899-0916 Illinois U.S.A.
  • 3128990917 | +1 312-899-0917 Illinois U.S.A.
  • 3128990918 | +1 312-899-0918 Illinois U.S.A.
  • 3128990919 | +1 312-899-0919 Illinois U.S.A.
  • 3128990920 | +1 312-899-0920 Illinois U.S.A.
  • 3128990921 | +1 312-899-0921 Illinois U.S.A.
  • 3128990922 | +1 312-899-0922 Illinois U.S.A.
  • 3128990923 | +1 312-899-0923 Illinois U.S.A.
  • 3128990924 | +1 312-899-0924 Illinois U.S.A.
  • 3128990925 | +1 312-899-0925 Illinois U.S.A.
  • 3128990926 | +1 312-899-0926 Illinois U.S.A.
  • 3128990927 | +1 312-899-0927 Illinois U.S.A.
  • 3128990928 | +1 312-899-0928 Illinois U.S.A.
  • 3128990929 | +1 312-899-0929 Illinois U.S.A.
  • 3128990930 | +1 312-899-0930 Illinois U.S.A.
  • 3128990931 | +1 312-899-0931 Illinois U.S.A.
  • 3128990932 | +1 312-899-0932 Illinois U.S.A.
  • 3128990933 | +1 312-899-0933 Illinois U.S.A.
  • 3128990934 | +1 312-899-0934 Illinois U.S.A.
  • 3128990935 | +1 312-899-0935 Illinois U.S.A.
  • 3128990936 | +1 312-899-0936 Illinois U.S.A.
  • 3128990937 | +1 312-899-0937 Illinois U.S.A.
  • 3128990938 | +1 312-899-0938 Illinois U.S.A.
  • 3128990939 | +1 312-899-0939 Illinois U.S.A.
  • 3128990940 | +1 312-899-0940 Illinois U.S.A.
  • 3128990941 | +1 312-899-0941 Illinois U.S.A.
  • 3128990942 | +1 312-899-0942 Illinois U.S.A.
  • 3128990943 | +1 312-899-0943 Illinois U.S.A.
  • 3128990944 | +1 312-899-0944 Illinois U.S.A.
  • 3128990945 | +1 312-899-0945 Illinois U.S.A.
  • 3128990946 | +1 312-899-0946 Illinois U.S.A.
  • 3128990947 | +1 312-899-0947 Illinois U.S.A.
  • 3128990948 | +1 312-899-0948 Illinois U.S.A.
  • 3128990949 | +1 312-899-0949 Illinois U.S.A.
  • 3128990950 | +1 312-899-0950 Illinois U.S.A.
  • 3128990951 | +1 312-899-0951 Illinois U.S.A.
  • 3128990952 | +1 312-899-0952 Illinois U.S.A.
  • 3128990953 | +1 312-899-0953 Illinois U.S.A.
  • 3128990954 | +1 312-899-0954 Illinois U.S.A.
  • 3128990955 | +1 312-899-0955 Illinois U.S.A.
  • 3128990956 | +1 312-899-0956 Illinois U.S.A.
  • 3128990957 | +1 312-899-0957 Illinois U.S.A.
  • 3128990958 | +1 312-899-0958 Illinois U.S.A.
  • 3128990959 | +1 312-899-0959 Illinois U.S.A.
  • 3128990960 | +1 312-899-0960 Illinois U.S.A.
  • 3128990961 | +1 312-899-0961 Illinois U.S.A.
  • 3128990962 | +1 312-899-0962 Illinois U.S.A.
  • 3128990963 | +1 312-899-0963 Illinois U.S.A.
  • 3128990964 | +1 312-899-0964 Illinois U.S.A.
  • 3128990965 | +1 312-899-0965 Illinois U.S.A.
  • 3128990966 | +1 312-899-0966 Illinois U.S.A.
  • 3128990967 | +1 312-899-0967 Illinois U.S.A.
  • 3128990968 | +1 312-899-0968 Illinois U.S.A.
  • 3128990969 | +1 312-899-0969 Illinois U.S.A.
  • 3128990970 | +1 312-899-0970 Illinois U.S.A.
  • 3128990971 | +1 312-899-0971 Illinois U.S.A.
  • 3128990972 | +1 312-899-0972 Illinois U.S.A.
  • 3128990973 | +1 312-899-0973 Illinois U.S.A.
  • 3128990974 | +1 312-899-0974 Illinois U.S.A.
  • 3128990975 | +1 312-899-0975 Illinois U.S.A.
  • 3128990976 | +1 312-899-0976 Illinois U.S.A.
  • 3128990977 | +1 312-899-0977 Illinois U.S.A.
  • 3128990978 | +1 312-899-0978 Illinois U.S.A.
  • 3128990979 | +1 312-899-0979 Illinois U.S.A.
  • 3128990980 | +1 312-899-0980 Illinois U.S.A.
  • 3128990981 | +1 312-899-0981 Illinois U.S.A.
  • 3128990982 | +1 312-899-0982 Illinois U.S.A.
  • 3128990983 | +1 312-899-0983 Illinois U.S.A.
  • 3128990984 | +1 312-899-0984 Illinois U.S.A.
  • 3128990985 | +1 312-899-0985 Illinois U.S.A.
  • 3128990986 | +1 312-899-0986 Illinois U.S.A.
  • 3128990987 | +1 312-899-0987 Illinois U.S.A.
  • 3128990988 | +1 312-899-0988 Illinois U.S.A.
  • 3128990989 | +1 312-899-0989 Illinois U.S.A.
  • 3128990990 | +1 312-899-0990 Illinois U.S.A.
  • 3128990991 | +1 312-899-0991 Illinois U.S.A.
  • 3128990992 | +1 312-899-0992 Illinois U.S.A.
  • 3128990993 | +1 312-899-0993 Illinois U.S.A.
  • 3128990994 | +1 312-899-0994 Illinois U.S.A.
  • 3128990995 | +1 312-899-0995 Illinois U.S.A.
  • 3128990996 | +1 312-899-0996 Illinois U.S.A.
  • 3128990997 | +1 312-899-0997 Illinois U.S.A.
  • 3128990998 | +1 312-899-0998 Illinois U.S.A.
  • 3128990999 | +1 312-899-0999 Illinois U.S.A.