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).

  • 3129437900 | +1 312-943-7900 Illinois U.S.A.
  • 3129437901 | +1 312-943-7901 Illinois U.S.A.
  • 3129437902 | +1 312-943-7902 Illinois U.S.A.
  • 3129437903 | +1 312-943-7903 Illinois U.S.A.
  • 3129437904 | +1 312-943-7904 Illinois U.S.A.
  • 3129437905 | +1 312-943-7905 Illinois U.S.A.
  • 3129437906 | +1 312-943-7906 Illinois U.S.A.
  • 3129437907 | +1 312-943-7907 Illinois U.S.A.
  • 3129437908 | +1 312-943-7908 Illinois U.S.A.
  • 3129437909 | +1 312-943-7909 Illinois U.S.A.
  • 3129437910 | +1 312-943-7910 Illinois U.S.A.
  • 3129437911 | +1 312-943-7911 Illinois U.S.A.
  • 3129437912 | +1 312-943-7912 Illinois U.S.A.
  • 3129437913 | +1 312-943-7913 Illinois U.S.A.
  • 3129437914 | +1 312-943-7914 Illinois U.S.A.
  • 3129437915 | +1 312-943-7915 Illinois U.S.A.
  • 3129437916 | +1 312-943-7916 Illinois U.S.A.
  • 3129437917 | +1 312-943-7917 Illinois U.S.A.
  • 3129437918 | +1 312-943-7918 Illinois U.S.A.
  • 3129437919 | +1 312-943-7919 Illinois U.S.A.
  • 3129437920 | +1 312-943-7920 Illinois U.S.A.
  • 3129437921 | +1 312-943-7921 Illinois U.S.A.
  • 3129437922 | +1 312-943-7922 Illinois U.S.A.
  • 3129437923 | +1 312-943-7923 Illinois U.S.A.
  • 3129437924 | +1 312-943-7924 Illinois U.S.A.
  • 3129437925 | +1 312-943-7925 Illinois U.S.A.
  • 3129437926 | +1 312-943-7926 Illinois U.S.A.
  • 3129437927 | +1 312-943-7927 Illinois U.S.A.
  • 3129437928 | +1 312-943-7928 Illinois U.S.A.
  • 3129437929 | +1 312-943-7929 Illinois U.S.A.
  • 3129437930 | +1 312-943-7930 Illinois U.S.A.
  • 3129437931 | +1 312-943-7931 Illinois U.S.A.
  • 3129437932 | +1 312-943-7932 Illinois U.S.A.
  • 3129437933 | +1 312-943-7933 Illinois U.S.A.
  • 3129437934 | +1 312-943-7934 Illinois U.S.A.
  • 3129437935 | +1 312-943-7935 Illinois U.S.A.
  • 3129437936 | +1 312-943-7936 Illinois U.S.A.
  • 3129437937 | +1 312-943-7937 Illinois U.S.A.
  • 3129437938 | +1 312-943-7938 Illinois U.S.A.
  • 3129437939 | +1 312-943-7939 Illinois U.S.A.
  • 3129437940 | +1 312-943-7940 Illinois U.S.A.
  • 3129437941 | +1 312-943-7941 Illinois U.S.A.
  • 3129437942 | +1 312-943-7942 Illinois U.S.A.
  • 3129437943 | +1 312-943-7943 Illinois U.S.A.
  • 3129437944 | +1 312-943-7944 Illinois U.S.A.
  • 3129437945 | +1 312-943-7945 Illinois U.S.A.
  • 3129437946 | +1 312-943-7946 Illinois U.S.A.
  • 3129437947 | +1 312-943-7947 Illinois U.S.A.
  • 3129437948 | +1 312-943-7948 Illinois U.S.A.
  • 3129437949 | +1 312-943-7949 Illinois U.S.A.
  • 3129437950 | +1 312-943-7950 Illinois U.S.A.
  • 3129437951 | +1 312-943-7951 Illinois U.S.A.
  • 3129437952 | +1 312-943-7952 Illinois U.S.A.
  • 3129437953 | +1 312-943-7953 Illinois U.S.A.
  • 3129437954 | +1 312-943-7954 Illinois U.S.A.
  • 3129437955 | +1 312-943-7955 Illinois U.S.A.
  • 3129437956 | +1 312-943-7956 Illinois U.S.A.
  • 3129437957 | +1 312-943-7957 Illinois U.S.A.
  • 3129437958 | +1 312-943-7958 Illinois U.S.A.
  • 3129437959 | +1 312-943-7959 Illinois U.S.A.
  • 3129437960 | +1 312-943-7960 Illinois U.S.A.
  • 3129437961 | +1 312-943-7961 Illinois U.S.A.
  • 3129437962 | +1 312-943-7962 Illinois U.S.A.
  • 3129437963 | +1 312-943-7963 Illinois U.S.A.
  • 3129437964 | +1 312-943-7964 Illinois U.S.A.
  • 3129437965 | +1 312-943-7965 Illinois U.S.A.
  • 3129437966 | +1 312-943-7966 Illinois U.S.A.
  • 3129437967 | +1 312-943-7967 Illinois U.S.A.
  • 3129437968 | +1 312-943-7968 Illinois U.S.A.
  • 3129437969 | +1 312-943-7969 Illinois U.S.A.
  • 3129437970 | +1 312-943-7970 Illinois U.S.A.
  • 3129437971 | +1 312-943-7971 Illinois U.S.A.
  • 3129437972 | +1 312-943-7972 Illinois U.S.A.
  • 3129437973 | +1 312-943-7973 Illinois U.S.A.
  • 3129437974 | +1 312-943-7974 Illinois U.S.A.
  • 3129437975 | +1 312-943-7975 Illinois U.S.A.
  • 3129437976 | +1 312-943-7976 Illinois U.S.A.
  • 3129437977 | +1 312-943-7977 Illinois U.S.A.
  • 3129437978 | +1 312-943-7978 Illinois U.S.A.
  • 3129437979 | +1 312-943-7979 Illinois U.S.A.
  • 3129437980 | +1 312-943-7980 Illinois U.S.A.
  • 3129437981 | +1 312-943-7981 Illinois U.S.A.
  • 3129437982 | +1 312-943-7982 Illinois U.S.A.
  • 3129437983 | +1 312-943-7983 Illinois U.S.A.
  • 3129437984 | +1 312-943-7984 Illinois U.S.A.
  • 3129437985 | +1 312-943-7985 Illinois U.S.A.
  • 3129437986 | +1 312-943-7986 Illinois U.S.A.
  • 3129437987 | +1 312-943-7987 Illinois U.S.A.
  • 3129437988 | +1 312-943-7988 Illinois U.S.A.
  • 3129437989 | +1 312-943-7989 Illinois U.S.A.
  • 3129437990 | +1 312-943-7990 Illinois U.S.A.
  • 3129437991 | +1 312-943-7991 Illinois U.S.A.
  • 3129437992 | +1 312-943-7992 Illinois U.S.A.
  • 3129437993 | +1 312-943-7993 Illinois U.S.A.
  • 3129437994 | +1 312-943-7994 Illinois U.S.A.
  • 3129437995 | +1 312-943-7995 Illinois U.S.A.
  • 3129437996 | +1 312-943-7996 Illinois U.S.A.
  • 3129437997 | +1 312-943-7997 Illinois U.S.A.
  • 3129437998 | +1 312-943-7998 Illinois U.S.A.
  • 3129437999 | +1 312-943-7999 Illinois U.S.A.