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).

  • 3123061900 | +1 312-306-1900 Illinois U.S.A.
  • 3123061901 | +1 312-306-1901 Illinois U.S.A.
  • 3123061902 | +1 312-306-1902 Illinois U.S.A.
  • 3123061903 | +1 312-306-1903 Illinois U.S.A.
  • 3123061904 | +1 312-306-1904 Illinois U.S.A.
  • 3123061905 | +1 312-306-1905 Illinois U.S.A.
  • 3123061906 | +1 312-306-1906 Illinois U.S.A.
  • 3123061907 | +1 312-306-1907 Illinois U.S.A.
  • 3123061908 | +1 312-306-1908 Illinois U.S.A.
  • 3123061909 | +1 312-306-1909 Illinois U.S.A.
  • 3123061910 | +1 312-306-1910 Illinois U.S.A.
  • 3123061911 | +1 312-306-1911 Illinois U.S.A.
  • 3123061912 | +1 312-306-1912 Illinois U.S.A.
  • 3123061913 | +1 312-306-1913 Illinois U.S.A.
  • 3123061914 | +1 312-306-1914 Illinois U.S.A.
  • 3123061915 | +1 312-306-1915 Illinois U.S.A.
  • 3123061916 | +1 312-306-1916 Illinois U.S.A.
  • 3123061917 | +1 312-306-1917 Illinois U.S.A.
  • 3123061918 | +1 312-306-1918 Illinois U.S.A.
  • 3123061919 | +1 312-306-1919 Illinois U.S.A.
  • 3123061920 | +1 312-306-1920 Illinois U.S.A.
  • 3123061921 | +1 312-306-1921 Illinois U.S.A.
  • 3123061922 | +1 312-306-1922 Illinois U.S.A.
  • 3123061923 | +1 312-306-1923 Illinois U.S.A.
  • 3123061924 | +1 312-306-1924 Illinois U.S.A.
  • 3123061925 | +1 312-306-1925 Illinois U.S.A.
  • 3123061926 | +1 312-306-1926 Illinois U.S.A.
  • 3123061927 | +1 312-306-1927 Illinois U.S.A.
  • 3123061928 | +1 312-306-1928 Illinois U.S.A.
  • 3123061929 | +1 312-306-1929 Illinois U.S.A.
  • 3123061930 | +1 312-306-1930 Illinois U.S.A.
  • 3123061931 | +1 312-306-1931 Illinois U.S.A.
  • 3123061932 | +1 312-306-1932 Illinois U.S.A.
  • 3123061933 | +1 312-306-1933 Illinois U.S.A.
  • 3123061934 | +1 312-306-1934 Illinois U.S.A.
  • 3123061935 | +1 312-306-1935 Illinois U.S.A.
  • 3123061936 | +1 312-306-1936 Illinois U.S.A.
  • 3123061937 | +1 312-306-1937 Illinois U.S.A.
  • 3123061938 | +1 312-306-1938 Illinois U.S.A.
  • 3123061939 | +1 312-306-1939 Illinois U.S.A.
  • 3123061940 | +1 312-306-1940 Illinois U.S.A.
  • 3123061941 | +1 312-306-1941 Illinois U.S.A.
  • 3123061942 | +1 312-306-1942 Illinois U.S.A.
  • 3123061943 | +1 312-306-1943 Illinois U.S.A.
  • 3123061944 | +1 312-306-1944 Illinois U.S.A.
  • 3123061945 | +1 312-306-1945 Illinois U.S.A.
  • 3123061946 | +1 312-306-1946 Illinois U.S.A.
  • 3123061947 | +1 312-306-1947 Illinois U.S.A.
  • 3123061948 | +1 312-306-1948 Illinois U.S.A.
  • 3123061949 | +1 312-306-1949 Illinois U.S.A.
  • 3123061950 | +1 312-306-1950 Illinois U.S.A.
  • 3123061951 | +1 312-306-1951 Illinois U.S.A.
  • 3123061952 | +1 312-306-1952 Illinois U.S.A.
  • 3123061953 | +1 312-306-1953 Illinois U.S.A.
  • 3123061954 | +1 312-306-1954 Illinois U.S.A.
  • 3123061955 | +1 312-306-1955 Illinois U.S.A.
  • 3123061956 | +1 312-306-1956 Illinois U.S.A.
  • 3123061957 | +1 312-306-1957 Illinois U.S.A.
  • 3123061958 | +1 312-306-1958 Illinois U.S.A.
  • 3123061959 | +1 312-306-1959 Illinois U.S.A.
  • 3123061960 | +1 312-306-1960 Illinois U.S.A.
  • 3123061961 | +1 312-306-1961 Illinois U.S.A.
  • 3123061962 | +1 312-306-1962 Illinois U.S.A.
  • 3123061963 | +1 312-306-1963 Illinois U.S.A.
  • 3123061964 | +1 312-306-1964 Illinois U.S.A.
  • 3123061965 | +1 312-306-1965 Illinois U.S.A.
  • 3123061966 | +1 312-306-1966 Illinois U.S.A.
  • 3123061967 | +1 312-306-1967 Illinois U.S.A.
  • 3123061968 | +1 312-306-1968 Illinois U.S.A.
  • 3123061969 | +1 312-306-1969 Illinois U.S.A.
  • 3123061970 | +1 312-306-1970 Illinois U.S.A.
  • 3123061971 | +1 312-306-1971 Illinois U.S.A.
  • 3123061972 | +1 312-306-1972 Illinois U.S.A.
  • 3123061973 | +1 312-306-1973 Illinois U.S.A.
  • 3123061974 | +1 312-306-1974 Illinois U.S.A.
  • 3123061975 | +1 312-306-1975 Illinois U.S.A.
  • 3123061976 | +1 312-306-1976 Illinois U.S.A.
  • 3123061977 | +1 312-306-1977 Illinois U.S.A.
  • 3123061978 | +1 312-306-1978 Illinois U.S.A.
  • 3123061979 | +1 312-306-1979 Illinois U.S.A.
  • 3123061980 | +1 312-306-1980 Illinois U.S.A.
  • 3123061981 | +1 312-306-1981 Illinois U.S.A.
  • 3123061982 | +1 312-306-1982 Illinois U.S.A.
  • 3123061983 | +1 312-306-1983 Illinois U.S.A.
  • 3123061984 | +1 312-306-1984 Illinois U.S.A.
  • 3123061985 | +1 312-306-1985 Illinois U.S.A.
  • 3123061986 | +1 312-306-1986 Illinois U.S.A.
  • 3123061987 | +1 312-306-1987 Illinois U.S.A.
  • 3123061988 | +1 312-306-1988 Illinois U.S.A.
  • 3123061989 | +1 312-306-1989 Illinois U.S.A.
  • 3123061990 | +1 312-306-1990 Illinois U.S.A.
  • 3123061991 | +1 312-306-1991 Illinois U.S.A.
  • 3123061992 | +1 312-306-1992 Illinois U.S.A.
  • 3123061993 | +1 312-306-1993 Illinois U.S.A.
  • 3123061994 | +1 312-306-1994 Illinois U.S.A.
  • 3123061995 | +1 312-306-1995 Illinois U.S.A.
  • 3123061996 | +1 312-306-1996 Illinois U.S.A.
  • 3123061997 | +1 312-306-1997 Illinois U.S.A.
  • 3123061998 | +1 312-306-1998 Illinois U.S.A.
  • 3123061999 | +1 312-306-1999 Illinois U.S.A.