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).

  • 3124307900 | +1 312-430-7900 Illinois U.S.A.
  • 3124307901 | +1 312-430-7901 Illinois U.S.A.
  • 3124307902 | +1 312-430-7902 Illinois U.S.A.
  • 3124307903 | +1 312-430-7903 Illinois U.S.A.
  • 3124307904 | +1 312-430-7904 Illinois U.S.A.
  • 3124307905 | +1 312-430-7905 Illinois U.S.A.
  • 3124307906 | +1 312-430-7906 Illinois U.S.A.
  • 3124307907 | +1 312-430-7907 Illinois U.S.A.
  • 3124307908 | +1 312-430-7908 Illinois U.S.A.
  • 3124307909 | +1 312-430-7909 Illinois U.S.A.
  • 3124307910 | +1 312-430-7910 Illinois U.S.A.
  • 3124307911 | +1 312-430-7911 Illinois U.S.A.
  • 3124307912 | +1 312-430-7912 Illinois U.S.A.
  • 3124307913 | +1 312-430-7913 Illinois U.S.A.
  • 3124307914 | +1 312-430-7914 Illinois U.S.A.
  • 3124307915 | +1 312-430-7915 Illinois U.S.A.
  • 3124307916 | +1 312-430-7916 Illinois U.S.A.
  • 3124307917 | +1 312-430-7917 Illinois U.S.A.
  • 3124307918 | +1 312-430-7918 Illinois U.S.A.
  • 3124307919 | +1 312-430-7919 Illinois U.S.A.
  • 3124307920 | +1 312-430-7920 Illinois U.S.A.
  • 3124307921 | +1 312-430-7921 Illinois U.S.A.
  • 3124307922 | +1 312-430-7922 Illinois U.S.A.
  • 3124307923 | +1 312-430-7923 Illinois U.S.A.
  • 3124307924 | +1 312-430-7924 Illinois U.S.A.
  • 3124307925 | +1 312-430-7925 Illinois U.S.A.
  • 3124307926 | +1 312-430-7926 Illinois U.S.A.
  • 3124307927 | +1 312-430-7927 Illinois U.S.A.
  • 3124307928 | +1 312-430-7928 Illinois U.S.A.
  • 3124307929 | +1 312-430-7929 Illinois U.S.A.
  • 3124307930 | +1 312-430-7930 Illinois U.S.A.
  • 3124307931 | +1 312-430-7931 Illinois U.S.A.
  • 3124307932 | +1 312-430-7932 Illinois U.S.A.
  • 3124307933 | +1 312-430-7933 Illinois U.S.A.
  • 3124307934 | +1 312-430-7934 Illinois U.S.A.
  • 3124307935 | +1 312-430-7935 Illinois U.S.A.
  • 3124307936 | +1 312-430-7936 Illinois U.S.A.
  • 3124307937 | +1 312-430-7937 Illinois U.S.A.
  • 3124307938 | +1 312-430-7938 Illinois U.S.A.
  • 3124307939 | +1 312-430-7939 Illinois U.S.A.
  • 3124307940 | +1 312-430-7940 Illinois U.S.A.
  • 3124307941 | +1 312-430-7941 Illinois U.S.A.
  • 3124307942 | +1 312-430-7942 Illinois U.S.A.
  • 3124307943 | +1 312-430-7943 Illinois U.S.A.
  • 3124307944 | +1 312-430-7944 Illinois U.S.A.
  • 3124307945 | +1 312-430-7945 Illinois U.S.A.
  • 3124307946 | +1 312-430-7946 Illinois U.S.A.
  • 3124307947 | +1 312-430-7947 Illinois U.S.A.
  • 3124307948 | +1 312-430-7948 Illinois U.S.A.
  • 3124307949 | +1 312-430-7949 Illinois U.S.A.
  • 3124307950 | +1 312-430-7950 Illinois U.S.A.
  • 3124307951 | +1 312-430-7951 Illinois U.S.A.
  • 3124307952 | +1 312-430-7952 Illinois U.S.A.
  • 3124307953 | +1 312-430-7953 Illinois U.S.A.
  • 3124307954 | +1 312-430-7954 Illinois U.S.A.
  • 3124307955 | +1 312-430-7955 Illinois U.S.A.
  • 3124307956 | +1 312-430-7956 Illinois U.S.A.
  • 3124307957 | +1 312-430-7957 Illinois U.S.A.
  • 3124307958 | +1 312-430-7958 Illinois U.S.A.
  • 3124307959 | +1 312-430-7959 Illinois U.S.A.
  • 3124307960 | +1 312-430-7960 Illinois U.S.A.
  • 3124307961 | +1 312-430-7961 Illinois U.S.A.
  • 3124307962 | +1 312-430-7962 Illinois U.S.A.
  • 3124307963 | +1 312-430-7963 Illinois U.S.A.
  • 3124307964 | +1 312-430-7964 Illinois U.S.A.
  • 3124307965 | +1 312-430-7965 Illinois U.S.A.
  • 3124307966 | +1 312-430-7966 Illinois U.S.A.
  • 3124307967 | +1 312-430-7967 Illinois U.S.A.
  • 3124307968 | +1 312-430-7968 Illinois U.S.A.
  • 3124307969 | +1 312-430-7969 Illinois U.S.A.
  • 3124307970 | +1 312-430-7970 Illinois U.S.A.
  • 3124307971 | +1 312-430-7971 Illinois U.S.A.
  • 3124307972 | +1 312-430-7972 Illinois U.S.A.
  • 3124307973 | +1 312-430-7973 Illinois U.S.A.
  • 3124307974 | +1 312-430-7974 Illinois U.S.A.
  • 3124307975 | +1 312-430-7975 Illinois U.S.A.
  • 3124307976 | +1 312-430-7976 Illinois U.S.A.
  • 3124307977 | +1 312-430-7977 Illinois U.S.A.
  • 3124307978 | +1 312-430-7978 Illinois U.S.A.
  • 3124307979 | +1 312-430-7979 Illinois U.S.A.
  • 3124307980 | +1 312-430-7980 Illinois U.S.A.
  • 3124307981 | +1 312-430-7981 Illinois U.S.A.
  • 3124307982 | +1 312-430-7982 Illinois U.S.A.
  • 3124307983 | +1 312-430-7983 Illinois U.S.A.
  • 3124307984 | +1 312-430-7984 Illinois U.S.A.
  • 3124307985 | +1 312-430-7985 Illinois U.S.A.
  • 3124307986 | +1 312-430-7986 Illinois U.S.A.
  • 3124307987 | +1 312-430-7987 Illinois U.S.A.
  • 3124307988 | +1 312-430-7988 Illinois U.S.A.
  • 3124307989 | +1 312-430-7989 Illinois U.S.A.
  • 3124307990 | +1 312-430-7990 Illinois U.S.A.
  • 3124307991 | +1 312-430-7991 Illinois U.S.A.
  • 3124307992 | +1 312-430-7992 Illinois U.S.A.
  • 3124307993 | +1 312-430-7993 Illinois U.S.A.
  • 3124307994 | +1 312-430-7994 Illinois U.S.A.
  • 3124307995 | +1 312-430-7995 Illinois U.S.A.
  • 3124307996 | +1 312-430-7996 Illinois U.S.A.
  • 3124307997 | +1 312-430-7997 Illinois U.S.A.
  • 3124307998 | +1 312-430-7998 Illinois U.S.A.
  • 3124307999 | +1 312-430-7999 Illinois U.S.A.