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).

  • 3128170900 | +1 312-817-0900 Illinois U.S.A.
  • 3128170901 | +1 312-817-0901 Illinois U.S.A.
  • 3128170902 | +1 312-817-0902 Illinois U.S.A.
  • 3128170903 | +1 312-817-0903 Illinois U.S.A.
  • 3128170904 | +1 312-817-0904 Illinois U.S.A.
  • 3128170905 | +1 312-817-0905 Illinois U.S.A.
  • 3128170906 | +1 312-817-0906 Illinois U.S.A.
  • 3128170907 | +1 312-817-0907 Illinois U.S.A.
  • 3128170908 | +1 312-817-0908 Illinois U.S.A.
  • 3128170909 | +1 312-817-0909 Illinois U.S.A.
  • 3128170910 | +1 312-817-0910 Illinois U.S.A.
  • 3128170911 | +1 312-817-0911 Illinois U.S.A.
  • 3128170912 | +1 312-817-0912 Illinois U.S.A.
  • 3128170913 | +1 312-817-0913 Illinois U.S.A.
  • 3128170914 | +1 312-817-0914 Illinois U.S.A.
  • 3128170915 | +1 312-817-0915 Illinois U.S.A.
  • 3128170916 | +1 312-817-0916 Illinois U.S.A.
  • 3128170917 | +1 312-817-0917 Illinois U.S.A.
  • 3128170918 | +1 312-817-0918 Illinois U.S.A.
  • 3128170919 | +1 312-817-0919 Illinois U.S.A.
  • 3128170920 | +1 312-817-0920 Illinois U.S.A.
  • 3128170921 | +1 312-817-0921 Illinois U.S.A.
  • 3128170922 | +1 312-817-0922 Illinois U.S.A.
  • 3128170923 | +1 312-817-0923 Illinois U.S.A.
  • 3128170924 | +1 312-817-0924 Illinois U.S.A.
  • 3128170925 | +1 312-817-0925 Illinois U.S.A.
  • 3128170926 | +1 312-817-0926 Illinois U.S.A.
  • 3128170927 | +1 312-817-0927 Illinois U.S.A.
  • 3128170928 | +1 312-817-0928 Illinois U.S.A.
  • 3128170929 | +1 312-817-0929 Illinois U.S.A.
  • 3128170930 | +1 312-817-0930 Illinois U.S.A.
  • 3128170931 | +1 312-817-0931 Illinois U.S.A.
  • 3128170932 | +1 312-817-0932 Illinois U.S.A.
  • 3128170933 | +1 312-817-0933 Illinois U.S.A.
  • 3128170934 | +1 312-817-0934 Illinois U.S.A.
  • 3128170935 | +1 312-817-0935 Illinois U.S.A.
  • 3128170936 | +1 312-817-0936 Illinois U.S.A.
  • 3128170937 | +1 312-817-0937 Illinois U.S.A.
  • 3128170938 | +1 312-817-0938 Illinois U.S.A.
  • 3128170939 | +1 312-817-0939 Illinois U.S.A.
  • 3128170940 | +1 312-817-0940 Illinois U.S.A.
  • 3128170941 | +1 312-817-0941 Illinois U.S.A.
  • 3128170942 | +1 312-817-0942 Illinois U.S.A.
  • 3128170943 | +1 312-817-0943 Illinois U.S.A.
  • 3128170944 | +1 312-817-0944 Illinois U.S.A.
  • 3128170945 | +1 312-817-0945 Illinois U.S.A.
  • 3128170946 | +1 312-817-0946 Illinois U.S.A.
  • 3128170947 | +1 312-817-0947 Illinois U.S.A.
  • 3128170948 | +1 312-817-0948 Illinois U.S.A.
  • 3128170949 | +1 312-817-0949 Illinois U.S.A.
  • 3128170950 | +1 312-817-0950 Illinois U.S.A.
  • 3128170951 | +1 312-817-0951 Illinois U.S.A.
  • 3128170952 | +1 312-817-0952 Illinois U.S.A.
  • 3128170953 | +1 312-817-0953 Illinois U.S.A.
  • 3128170954 | +1 312-817-0954 Illinois U.S.A.
  • 3128170955 | +1 312-817-0955 Illinois U.S.A.
  • 3128170956 | +1 312-817-0956 Illinois U.S.A.
  • 3128170957 | +1 312-817-0957 Illinois U.S.A.
  • 3128170958 | +1 312-817-0958 Illinois U.S.A.
  • 3128170959 | +1 312-817-0959 Illinois U.S.A.
  • 3128170960 | +1 312-817-0960 Illinois U.S.A.
  • 3128170961 | +1 312-817-0961 Illinois U.S.A.
  • 3128170962 | +1 312-817-0962 Illinois U.S.A.
  • 3128170963 | +1 312-817-0963 Illinois U.S.A.
  • 3128170964 | +1 312-817-0964 Illinois U.S.A.
  • 3128170965 | +1 312-817-0965 Illinois U.S.A.
  • 3128170966 | +1 312-817-0966 Illinois U.S.A.
  • 3128170967 | +1 312-817-0967 Illinois U.S.A.
  • 3128170968 | +1 312-817-0968 Illinois U.S.A.
  • 3128170969 | +1 312-817-0969 Illinois U.S.A.
  • 3128170970 | +1 312-817-0970 Illinois U.S.A.
  • 3128170971 | +1 312-817-0971 Illinois U.S.A.
  • 3128170972 | +1 312-817-0972 Illinois U.S.A.
  • 3128170973 | +1 312-817-0973 Illinois U.S.A.
  • 3128170974 | +1 312-817-0974 Illinois U.S.A.
  • 3128170975 | +1 312-817-0975 Illinois U.S.A.
  • 3128170976 | +1 312-817-0976 Illinois U.S.A.
  • 3128170977 | +1 312-817-0977 Illinois U.S.A.
  • 3128170978 | +1 312-817-0978 Illinois U.S.A.
  • 3128170979 | +1 312-817-0979 Illinois U.S.A.
  • 3128170980 | +1 312-817-0980 Illinois U.S.A.
  • 3128170981 | +1 312-817-0981 Illinois U.S.A.
  • 3128170982 | +1 312-817-0982 Illinois U.S.A.
  • 3128170983 | +1 312-817-0983 Illinois U.S.A.
  • 3128170984 | +1 312-817-0984 Illinois U.S.A.
  • 3128170985 | +1 312-817-0985 Illinois U.S.A.
  • 3128170986 | +1 312-817-0986 Illinois U.S.A.
  • 3128170987 | +1 312-817-0987 Illinois U.S.A.
  • 3128170988 | +1 312-817-0988 Illinois U.S.A.
  • 3128170989 | +1 312-817-0989 Illinois U.S.A.
  • 3128170990 | +1 312-817-0990 Illinois U.S.A.
  • 3128170991 | +1 312-817-0991 Illinois U.S.A.
  • 3128170992 | +1 312-817-0992 Illinois U.S.A.
  • 3128170993 | +1 312-817-0993 Illinois U.S.A.
  • 3128170994 | +1 312-817-0994 Illinois U.S.A.
  • 3128170995 | +1 312-817-0995 Illinois U.S.A.
  • 3128170996 | +1 312-817-0996 Illinois U.S.A.
  • 3128170997 | +1 312-817-0997 Illinois U.S.A.
  • 3128170998 | +1 312-817-0998 Illinois U.S.A.
  • 3128170999 | +1 312-817-0999 Illinois U.S.A.