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).

  • 3129970900 | +1 312-997-0900 Illinois U.S.A.
  • 3129970901 | +1 312-997-0901 Illinois U.S.A.
  • 3129970902 | +1 312-997-0902 Illinois U.S.A.
  • 3129970903 | +1 312-997-0903 Illinois U.S.A.
  • 3129970904 | +1 312-997-0904 Illinois U.S.A.
  • 3129970905 | +1 312-997-0905 Illinois U.S.A.
  • 3129970906 | +1 312-997-0906 Illinois U.S.A.
  • 3129970907 | +1 312-997-0907 Illinois U.S.A.
  • 3129970908 | +1 312-997-0908 Illinois U.S.A.
  • 3129970909 | +1 312-997-0909 Illinois U.S.A.
  • 3129970910 | +1 312-997-0910 Illinois U.S.A.
  • 3129970911 | +1 312-997-0911 Illinois U.S.A.
  • 3129970912 | +1 312-997-0912 Illinois U.S.A.
  • 3129970913 | +1 312-997-0913 Illinois U.S.A.
  • 3129970914 | +1 312-997-0914 Illinois U.S.A.
  • 3129970915 | +1 312-997-0915 Illinois U.S.A.
  • 3129970916 | +1 312-997-0916 Illinois U.S.A.
  • 3129970917 | +1 312-997-0917 Illinois U.S.A.
  • 3129970918 | +1 312-997-0918 Illinois U.S.A.
  • 3129970919 | +1 312-997-0919 Illinois U.S.A.
  • 3129970920 | +1 312-997-0920 Illinois U.S.A.
  • 3129970921 | +1 312-997-0921 Illinois U.S.A.
  • 3129970922 | +1 312-997-0922 Illinois U.S.A.
  • 3129970923 | +1 312-997-0923 Illinois U.S.A.
  • 3129970924 | +1 312-997-0924 Illinois U.S.A.
  • 3129970925 | +1 312-997-0925 Illinois U.S.A.
  • 3129970926 | +1 312-997-0926 Illinois U.S.A.
  • 3129970927 | +1 312-997-0927 Illinois U.S.A.
  • 3129970928 | +1 312-997-0928 Illinois U.S.A.
  • 3129970929 | +1 312-997-0929 Illinois U.S.A.
  • 3129970930 | +1 312-997-0930 Illinois U.S.A.
  • 3129970931 | +1 312-997-0931 Illinois U.S.A.
  • 3129970932 | +1 312-997-0932 Illinois U.S.A.
  • 3129970933 | +1 312-997-0933 Illinois U.S.A.
  • 3129970934 | +1 312-997-0934 Illinois U.S.A.
  • 3129970935 | +1 312-997-0935 Illinois U.S.A.
  • 3129970936 | +1 312-997-0936 Illinois U.S.A.
  • 3129970937 | +1 312-997-0937 Illinois U.S.A.
  • 3129970938 | +1 312-997-0938 Illinois U.S.A.
  • 3129970939 | +1 312-997-0939 Illinois U.S.A.
  • 3129970940 | +1 312-997-0940 Illinois U.S.A.
  • 3129970941 | +1 312-997-0941 Illinois U.S.A.
  • 3129970942 | +1 312-997-0942 Illinois U.S.A.
  • 3129970943 | +1 312-997-0943 Illinois U.S.A.
  • 3129970944 | +1 312-997-0944 Illinois U.S.A.
  • 3129970945 | +1 312-997-0945 Illinois U.S.A.
  • 3129970946 | +1 312-997-0946 Illinois U.S.A.
  • 3129970947 | +1 312-997-0947 Illinois U.S.A.
  • 3129970948 | +1 312-997-0948 Illinois U.S.A.
  • 3129970949 | +1 312-997-0949 Illinois U.S.A.
  • 3129970950 | +1 312-997-0950 Illinois U.S.A.
  • 3129970951 | +1 312-997-0951 Illinois U.S.A.
  • 3129970952 | +1 312-997-0952 Illinois U.S.A.
  • 3129970953 | +1 312-997-0953 Illinois U.S.A.
  • 3129970954 | +1 312-997-0954 Illinois U.S.A.
  • 3129970955 | +1 312-997-0955 Illinois U.S.A.
  • 3129970956 | +1 312-997-0956 Illinois U.S.A.
  • 3129970957 | +1 312-997-0957 Illinois U.S.A.
  • 3129970958 | +1 312-997-0958 Illinois U.S.A.
  • 3129970959 | +1 312-997-0959 Illinois U.S.A.
  • 3129970960 | +1 312-997-0960 Illinois U.S.A.
  • 3129970961 | +1 312-997-0961 Illinois U.S.A.
  • 3129970962 | +1 312-997-0962 Illinois U.S.A.
  • 3129970963 | +1 312-997-0963 Illinois U.S.A.
  • 3129970964 | +1 312-997-0964 Illinois U.S.A.
  • 3129970965 | +1 312-997-0965 Illinois U.S.A.
  • 3129970966 | +1 312-997-0966 Illinois U.S.A.
  • 3129970967 | +1 312-997-0967 Illinois U.S.A.
  • 3129970968 | +1 312-997-0968 Illinois U.S.A.
  • 3129970969 | +1 312-997-0969 Illinois U.S.A.
  • 3129970970 | +1 312-997-0970 Illinois U.S.A.
  • 3129970971 | +1 312-997-0971 Illinois U.S.A.
  • 3129970972 | +1 312-997-0972 Illinois U.S.A.
  • 3129970973 | +1 312-997-0973 Illinois U.S.A.
  • 3129970974 | +1 312-997-0974 Illinois U.S.A.
  • 3129970975 | +1 312-997-0975 Illinois U.S.A.
  • 3129970976 | +1 312-997-0976 Illinois U.S.A.
  • 3129970977 | +1 312-997-0977 Illinois U.S.A.
  • 3129970978 | +1 312-997-0978 Illinois U.S.A.
  • 3129970979 | +1 312-997-0979 Illinois U.S.A.
  • 3129970980 | +1 312-997-0980 Illinois U.S.A.
  • 3129970981 | +1 312-997-0981 Illinois U.S.A.
  • 3129970982 | +1 312-997-0982 Illinois U.S.A.
  • 3129970983 | +1 312-997-0983 Illinois U.S.A.
  • 3129970984 | +1 312-997-0984 Illinois U.S.A.
  • 3129970985 | +1 312-997-0985 Illinois U.S.A.
  • 3129970986 | +1 312-997-0986 Illinois U.S.A.
  • 3129970987 | +1 312-997-0987 Illinois U.S.A.
  • 3129970988 | +1 312-997-0988 Illinois U.S.A.
  • 3129970989 | +1 312-997-0989 Illinois U.S.A.
  • 3129970990 | +1 312-997-0990 Illinois U.S.A.
  • 3129970991 | +1 312-997-0991 Illinois U.S.A.
  • 3129970992 | +1 312-997-0992 Illinois U.S.A.
  • 3129970993 | +1 312-997-0993 Illinois U.S.A.
  • 3129970994 | +1 312-997-0994 Illinois U.S.A.
  • 3129970995 | +1 312-997-0995 Illinois U.S.A.
  • 3129970996 | +1 312-997-0996 Illinois U.S.A.
  • 3129970997 | +1 312-997-0997 Illinois U.S.A.
  • 3129970998 | +1 312-997-0998 Illinois U.S.A.
  • 3129970999 | +1 312-997-0999 Illinois U.S.A.