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).

  • 3123370900 | +1 312-337-0900 Illinois U.S.A.
  • 3123370901 | +1 312-337-0901 Illinois U.S.A.
  • 3123370902 | +1 312-337-0902 Illinois U.S.A.
  • 3123370903 | +1 312-337-0903 Illinois U.S.A.
  • 3123370904 | +1 312-337-0904 Illinois U.S.A.
  • 3123370905 | +1 312-337-0905 Illinois U.S.A.
  • 3123370906 | +1 312-337-0906 Illinois U.S.A.
  • 3123370907 | +1 312-337-0907 Illinois U.S.A.
  • 3123370908 | +1 312-337-0908 Illinois U.S.A.
  • 3123370909 | +1 312-337-0909 Illinois U.S.A.
  • 3123370910 | +1 312-337-0910 Illinois U.S.A.
  • 3123370911 | +1 312-337-0911 Illinois U.S.A.
  • 3123370912 | +1 312-337-0912 Illinois U.S.A.
  • 3123370913 | +1 312-337-0913 Illinois U.S.A.
  • 3123370914 | +1 312-337-0914 Illinois U.S.A.
  • 3123370915 | +1 312-337-0915 Illinois U.S.A.
  • 3123370916 | +1 312-337-0916 Illinois U.S.A.
  • 3123370917 | +1 312-337-0917 Illinois U.S.A.
  • 3123370918 | +1 312-337-0918 Illinois U.S.A.
  • 3123370919 | +1 312-337-0919 Illinois U.S.A.
  • 3123370920 | +1 312-337-0920 Illinois U.S.A.
  • 3123370921 | +1 312-337-0921 Illinois U.S.A.
  • 3123370922 | +1 312-337-0922 Illinois U.S.A.
  • 3123370923 | +1 312-337-0923 Illinois U.S.A.
  • 3123370924 | +1 312-337-0924 Illinois U.S.A.
  • 3123370925 | +1 312-337-0925 Illinois U.S.A.
  • 3123370926 | +1 312-337-0926 Illinois U.S.A.
  • 3123370927 | +1 312-337-0927 Illinois U.S.A.
  • 3123370928 | +1 312-337-0928 Illinois U.S.A.
  • 3123370929 | +1 312-337-0929 Illinois U.S.A.
  • 3123370930 | +1 312-337-0930 Illinois U.S.A.
  • 3123370931 | +1 312-337-0931 Illinois U.S.A.
  • 3123370932 | +1 312-337-0932 Illinois U.S.A.
  • 3123370933 | +1 312-337-0933 Illinois U.S.A.
  • 3123370934 | +1 312-337-0934 Illinois U.S.A.
  • 3123370935 | +1 312-337-0935 Illinois U.S.A.
  • 3123370936 | +1 312-337-0936 Illinois U.S.A.
  • 3123370937 | +1 312-337-0937 Illinois U.S.A.
  • 3123370938 | +1 312-337-0938 Illinois U.S.A.
  • 3123370939 | +1 312-337-0939 Illinois U.S.A.
  • 3123370940 | +1 312-337-0940 Illinois U.S.A.
  • 3123370941 | +1 312-337-0941 Illinois U.S.A.
  • 3123370942 | +1 312-337-0942 Illinois U.S.A.
  • 3123370943 | +1 312-337-0943 Illinois U.S.A.
  • 3123370944 | +1 312-337-0944 Illinois U.S.A.
  • 3123370945 | +1 312-337-0945 Illinois U.S.A.
  • 3123370946 | +1 312-337-0946 Illinois U.S.A.
  • 3123370947 | +1 312-337-0947 Illinois U.S.A.
  • 3123370948 | +1 312-337-0948 Illinois U.S.A.
  • 3123370949 | +1 312-337-0949 Illinois U.S.A.
  • 3123370950 | +1 312-337-0950 Illinois U.S.A.
  • 3123370951 | +1 312-337-0951 Illinois U.S.A.
  • 3123370952 | +1 312-337-0952 Illinois U.S.A.
  • 3123370953 | +1 312-337-0953 Illinois U.S.A.
  • 3123370954 | +1 312-337-0954 Illinois U.S.A.
  • 3123370955 | +1 312-337-0955 Illinois U.S.A.
  • 3123370956 | +1 312-337-0956 Illinois U.S.A.
  • 3123370957 | +1 312-337-0957 Illinois U.S.A.
  • 3123370958 | +1 312-337-0958 Illinois U.S.A.
  • 3123370959 | +1 312-337-0959 Illinois U.S.A.
  • 3123370960 | +1 312-337-0960 Illinois U.S.A.
  • 3123370961 | +1 312-337-0961 Illinois U.S.A.
  • 3123370962 | +1 312-337-0962 Illinois U.S.A.
  • 3123370963 | +1 312-337-0963 Illinois U.S.A.
  • 3123370964 | +1 312-337-0964 Illinois U.S.A.
  • 3123370965 | +1 312-337-0965 Illinois U.S.A.
  • 3123370966 | +1 312-337-0966 Illinois U.S.A.
  • 3123370967 | +1 312-337-0967 Illinois U.S.A.
  • 3123370968 | +1 312-337-0968 Illinois U.S.A.
  • 3123370969 | +1 312-337-0969 Illinois U.S.A.
  • 3123370970 | +1 312-337-0970 Illinois U.S.A.
  • 3123370971 | +1 312-337-0971 Illinois U.S.A.
  • 3123370972 | +1 312-337-0972 Illinois U.S.A.
  • 3123370973 | +1 312-337-0973 Illinois U.S.A.
  • 3123370974 | +1 312-337-0974 Illinois U.S.A.
  • 3123370975 | +1 312-337-0975 Illinois U.S.A.
  • 3123370976 | +1 312-337-0976 Illinois U.S.A.
  • 3123370977 | +1 312-337-0977 Illinois U.S.A.
  • 3123370978 | +1 312-337-0978 Illinois U.S.A.
  • 3123370979 | +1 312-337-0979 Illinois U.S.A.
  • 3123370980 | +1 312-337-0980 Illinois U.S.A.
  • 3123370981 | +1 312-337-0981 Illinois U.S.A.
  • 3123370982 | +1 312-337-0982 Illinois U.S.A.
  • 3123370983 | +1 312-337-0983 Illinois U.S.A.
  • 3123370984 | +1 312-337-0984 Illinois U.S.A.
  • 3123370985 | +1 312-337-0985 Illinois U.S.A.
  • 3123370986 | +1 312-337-0986 Illinois U.S.A.
  • 3123370987 | +1 312-337-0987 Illinois U.S.A.
  • 3123370988 | +1 312-337-0988 Illinois U.S.A.
  • 3123370989 | +1 312-337-0989 Illinois U.S.A.
  • 3123370990 | +1 312-337-0990 Illinois U.S.A.
  • 3123370991 | +1 312-337-0991 Illinois U.S.A.
  • 3123370992 | +1 312-337-0992 Illinois U.S.A.
  • 3123370993 | +1 312-337-0993 Illinois U.S.A.
  • 3123370994 | +1 312-337-0994 Illinois U.S.A.
  • 3123370995 | +1 312-337-0995 Illinois U.S.A.
  • 3123370996 | +1 312-337-0996 Illinois U.S.A.
  • 3123370997 | +1 312-337-0997 Illinois U.S.A.
  • 3123370998 | +1 312-337-0998 Illinois U.S.A.
  • 3123370999 | +1 312-337-0999 Illinois U.S.A.