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).

  • 3123810900 | +1 312-381-0900 Illinois U.S.A.
  • 3123810901 | +1 312-381-0901 Illinois U.S.A.
  • 3123810902 | +1 312-381-0902 Illinois U.S.A.
  • 3123810903 | +1 312-381-0903 Illinois U.S.A.
  • 3123810904 | +1 312-381-0904 Illinois U.S.A.
  • 3123810905 | +1 312-381-0905 Illinois U.S.A.
  • 3123810906 | +1 312-381-0906 Illinois U.S.A.
  • 3123810907 | +1 312-381-0907 Illinois U.S.A.
  • 3123810908 | +1 312-381-0908 Illinois U.S.A.
  • 3123810909 | +1 312-381-0909 Illinois U.S.A.
  • 3123810910 | +1 312-381-0910 Illinois U.S.A.
  • 3123810911 | +1 312-381-0911 Illinois U.S.A.
  • 3123810912 | +1 312-381-0912 Illinois U.S.A.
  • 3123810913 | +1 312-381-0913 Illinois U.S.A.
  • 3123810914 | +1 312-381-0914 Illinois U.S.A.
  • 3123810915 | +1 312-381-0915 Illinois U.S.A.
  • 3123810916 | +1 312-381-0916 Illinois U.S.A.
  • 3123810917 | +1 312-381-0917 Illinois U.S.A.
  • 3123810918 | +1 312-381-0918 Illinois U.S.A.
  • 3123810919 | +1 312-381-0919 Illinois U.S.A.
  • 3123810920 | +1 312-381-0920 Illinois U.S.A.
  • 3123810921 | +1 312-381-0921 Illinois U.S.A.
  • 3123810922 | +1 312-381-0922 Illinois U.S.A.
  • 3123810923 | +1 312-381-0923 Illinois U.S.A.
  • 3123810924 | +1 312-381-0924 Illinois U.S.A.
  • 3123810925 | +1 312-381-0925 Illinois U.S.A.
  • 3123810926 | +1 312-381-0926 Illinois U.S.A.
  • 3123810927 | +1 312-381-0927 Illinois U.S.A.
  • 3123810928 | +1 312-381-0928 Illinois U.S.A.
  • 3123810929 | +1 312-381-0929 Illinois U.S.A.
  • 3123810930 | +1 312-381-0930 Illinois U.S.A.
  • 3123810931 | +1 312-381-0931 Illinois U.S.A.
  • 3123810932 | +1 312-381-0932 Illinois U.S.A.
  • 3123810933 | +1 312-381-0933 Illinois U.S.A.
  • 3123810934 | +1 312-381-0934 Illinois U.S.A.
  • 3123810935 | +1 312-381-0935 Illinois U.S.A.
  • 3123810936 | +1 312-381-0936 Illinois U.S.A.
  • 3123810937 | +1 312-381-0937 Illinois U.S.A.
  • 3123810938 | +1 312-381-0938 Illinois U.S.A.
  • 3123810939 | +1 312-381-0939 Illinois U.S.A.
  • 3123810940 | +1 312-381-0940 Illinois U.S.A.
  • 3123810941 | +1 312-381-0941 Illinois U.S.A.
  • 3123810942 | +1 312-381-0942 Illinois U.S.A.
  • 3123810943 | +1 312-381-0943 Illinois U.S.A.
  • 3123810944 | +1 312-381-0944 Illinois U.S.A.
  • 3123810945 | +1 312-381-0945 Illinois U.S.A.
  • 3123810946 | +1 312-381-0946 Illinois U.S.A.
  • 3123810947 | +1 312-381-0947 Illinois U.S.A.
  • 3123810948 | +1 312-381-0948 Illinois U.S.A.
  • 3123810949 | +1 312-381-0949 Illinois U.S.A.
  • 3123810950 | +1 312-381-0950 Illinois U.S.A.
  • 3123810951 | +1 312-381-0951 Illinois U.S.A.
  • 3123810952 | +1 312-381-0952 Illinois U.S.A.
  • 3123810953 | +1 312-381-0953 Illinois U.S.A.
  • 3123810954 | +1 312-381-0954 Illinois U.S.A.
  • 3123810955 | +1 312-381-0955 Illinois U.S.A.
  • 3123810956 | +1 312-381-0956 Illinois U.S.A.
  • 3123810957 | +1 312-381-0957 Illinois U.S.A.
  • 3123810958 | +1 312-381-0958 Illinois U.S.A.
  • 3123810959 | +1 312-381-0959 Illinois U.S.A.
  • 3123810960 | +1 312-381-0960 Illinois U.S.A.
  • 3123810961 | +1 312-381-0961 Illinois U.S.A.
  • 3123810962 | +1 312-381-0962 Illinois U.S.A.
  • 3123810963 | +1 312-381-0963 Illinois U.S.A.
  • 3123810964 | +1 312-381-0964 Illinois U.S.A.
  • 3123810965 | +1 312-381-0965 Illinois U.S.A.
  • 3123810966 | +1 312-381-0966 Illinois U.S.A.
  • 3123810967 | +1 312-381-0967 Illinois U.S.A.
  • 3123810968 | +1 312-381-0968 Illinois U.S.A.
  • 3123810969 | +1 312-381-0969 Illinois U.S.A.
  • 3123810970 | +1 312-381-0970 Illinois U.S.A.
  • 3123810971 | +1 312-381-0971 Illinois U.S.A.
  • 3123810972 | +1 312-381-0972 Illinois U.S.A.
  • 3123810973 | +1 312-381-0973 Illinois U.S.A.
  • 3123810974 | +1 312-381-0974 Illinois U.S.A.
  • 3123810975 | +1 312-381-0975 Illinois U.S.A.
  • 3123810976 | +1 312-381-0976 Illinois U.S.A.
  • 3123810977 | +1 312-381-0977 Illinois U.S.A.
  • 3123810978 | +1 312-381-0978 Illinois U.S.A.
  • 3123810979 | +1 312-381-0979 Illinois U.S.A.
  • 3123810980 | +1 312-381-0980 Illinois U.S.A.
  • 3123810981 | +1 312-381-0981 Illinois U.S.A.
  • 3123810982 | +1 312-381-0982 Illinois U.S.A.
  • 3123810983 | +1 312-381-0983 Illinois U.S.A.
  • 3123810984 | +1 312-381-0984 Illinois U.S.A.
  • 3123810985 | +1 312-381-0985 Illinois U.S.A.
  • 3123810986 | +1 312-381-0986 Illinois U.S.A.
  • 3123810987 | +1 312-381-0987 Illinois U.S.A.
  • 3123810988 | +1 312-381-0988 Illinois U.S.A.
  • 3123810989 | +1 312-381-0989 Illinois U.S.A.
  • 3123810990 | +1 312-381-0990 Illinois U.S.A.
  • 3123810991 | +1 312-381-0991 Illinois U.S.A.
  • 3123810992 | +1 312-381-0992 Illinois U.S.A.
  • 3123810993 | +1 312-381-0993 Illinois U.S.A.
  • 3123810994 | +1 312-381-0994 Illinois U.S.A.
  • 3123810995 | +1 312-381-0995 Illinois U.S.A.
  • 3123810996 | +1 312-381-0996 Illinois U.S.A.
  • 3123810997 | +1 312-381-0997 Illinois U.S.A.
  • 3123810998 | +1 312-381-0998 Illinois U.S.A.
  • 3123810999 | +1 312-381-0999 Illinois U.S.A.