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).

  • 3125661900 | +1 312-566-1900 Illinois U.S.A.
  • 3125661901 | +1 312-566-1901 Illinois U.S.A.
  • 3125661902 | +1 312-566-1902 Illinois U.S.A.
  • 3125661903 | +1 312-566-1903 Illinois U.S.A.
  • 3125661904 | +1 312-566-1904 Illinois U.S.A.
  • 3125661905 | +1 312-566-1905 Illinois U.S.A.
  • 3125661906 | +1 312-566-1906 Illinois U.S.A.
  • 3125661907 | +1 312-566-1907 Illinois U.S.A.
  • 3125661908 | +1 312-566-1908 Illinois U.S.A.
  • 3125661909 | +1 312-566-1909 Illinois U.S.A.
  • 3125661910 | +1 312-566-1910 Illinois U.S.A.
  • 3125661911 | +1 312-566-1911 Illinois U.S.A.
  • 3125661912 | +1 312-566-1912 Illinois U.S.A.
  • 3125661913 | +1 312-566-1913 Illinois U.S.A.
  • 3125661914 | +1 312-566-1914 Illinois U.S.A.
  • 3125661915 | +1 312-566-1915 Illinois U.S.A.
  • 3125661916 | +1 312-566-1916 Illinois U.S.A.
  • 3125661917 | +1 312-566-1917 Illinois U.S.A.
  • 3125661918 | +1 312-566-1918 Illinois U.S.A.
  • 3125661919 | +1 312-566-1919 Illinois U.S.A.
  • 3125661920 | +1 312-566-1920 Illinois U.S.A.
  • 3125661921 | +1 312-566-1921 Illinois U.S.A.
  • 3125661922 | +1 312-566-1922 Illinois U.S.A.
  • 3125661923 | +1 312-566-1923 Illinois U.S.A.
  • 3125661924 | +1 312-566-1924 Illinois U.S.A.
  • 3125661925 | +1 312-566-1925 Illinois U.S.A.
  • 3125661926 | +1 312-566-1926 Illinois U.S.A.
  • 3125661927 | +1 312-566-1927 Illinois U.S.A.
  • 3125661928 | +1 312-566-1928 Illinois U.S.A.
  • 3125661929 | +1 312-566-1929 Illinois U.S.A.
  • 3125661930 | +1 312-566-1930 Illinois U.S.A.
  • 3125661931 | +1 312-566-1931 Illinois U.S.A.
  • 3125661932 | +1 312-566-1932 Illinois U.S.A.
  • 3125661933 | +1 312-566-1933 Illinois U.S.A.
  • 3125661934 | +1 312-566-1934 Illinois U.S.A.
  • 3125661935 | +1 312-566-1935 Illinois U.S.A.
  • 3125661936 | +1 312-566-1936 Illinois U.S.A.
  • 3125661937 | +1 312-566-1937 Illinois U.S.A.
  • 3125661938 | +1 312-566-1938 Illinois U.S.A.
  • 3125661939 | +1 312-566-1939 Illinois U.S.A.
  • 3125661940 | +1 312-566-1940 Illinois U.S.A.
  • 3125661941 | +1 312-566-1941 Illinois U.S.A.
  • 3125661942 | +1 312-566-1942 Illinois U.S.A.
  • 3125661943 | +1 312-566-1943 Illinois U.S.A.
  • 3125661944 | +1 312-566-1944 Illinois U.S.A.
  • 3125661945 | +1 312-566-1945 Illinois U.S.A.
  • 3125661946 | +1 312-566-1946 Illinois U.S.A.
  • 3125661947 | +1 312-566-1947 Illinois U.S.A.
  • 3125661948 | +1 312-566-1948 Illinois U.S.A.
  • 3125661949 | +1 312-566-1949 Illinois U.S.A.
  • 3125661950 | +1 312-566-1950 Illinois U.S.A.
  • 3125661951 | +1 312-566-1951 Illinois U.S.A.
  • 3125661952 | +1 312-566-1952 Illinois U.S.A.
  • 3125661953 | +1 312-566-1953 Illinois U.S.A.
  • 3125661954 | +1 312-566-1954 Illinois U.S.A.
  • 3125661955 | +1 312-566-1955 Illinois U.S.A.
  • 3125661956 | +1 312-566-1956 Illinois U.S.A.
  • 3125661957 | +1 312-566-1957 Illinois U.S.A.
  • 3125661958 | +1 312-566-1958 Illinois U.S.A.
  • 3125661959 | +1 312-566-1959 Illinois U.S.A.
  • 3125661960 | +1 312-566-1960 Illinois U.S.A.
  • 3125661961 | +1 312-566-1961 Illinois U.S.A.
  • 3125661962 | +1 312-566-1962 Illinois U.S.A.
  • 3125661963 | +1 312-566-1963 Illinois U.S.A.
  • 3125661964 | +1 312-566-1964 Illinois U.S.A.
  • 3125661965 | +1 312-566-1965 Illinois U.S.A.
  • 3125661966 | +1 312-566-1966 Illinois U.S.A.
  • 3125661967 | +1 312-566-1967 Illinois U.S.A.
  • 3125661968 | +1 312-566-1968 Illinois U.S.A.
  • 3125661969 | +1 312-566-1969 Illinois U.S.A.
  • 3125661970 | +1 312-566-1970 Illinois U.S.A.
  • 3125661971 | +1 312-566-1971 Illinois U.S.A.
  • 3125661972 | +1 312-566-1972 Illinois U.S.A.
  • 3125661973 | +1 312-566-1973 Illinois U.S.A.
  • 3125661974 | +1 312-566-1974 Illinois U.S.A.
  • 3125661975 | +1 312-566-1975 Illinois U.S.A.
  • 3125661976 | +1 312-566-1976 Illinois U.S.A.
  • 3125661977 | +1 312-566-1977 Illinois U.S.A.
  • 3125661978 | +1 312-566-1978 Illinois U.S.A.
  • 3125661979 | +1 312-566-1979 Illinois U.S.A.
  • 3125661980 | +1 312-566-1980 Illinois U.S.A.
  • 3125661981 | +1 312-566-1981 Illinois U.S.A.
  • 3125661982 | +1 312-566-1982 Illinois U.S.A.
  • 3125661983 | +1 312-566-1983 Illinois U.S.A.
  • 3125661984 | +1 312-566-1984 Illinois U.S.A.
  • 3125661985 | +1 312-566-1985 Illinois U.S.A.
  • 3125661986 | +1 312-566-1986 Illinois U.S.A.
  • 3125661987 | +1 312-566-1987 Illinois U.S.A.
  • 3125661988 | +1 312-566-1988 Illinois U.S.A.
  • 3125661989 | +1 312-566-1989 Illinois U.S.A.
  • 3125661990 | +1 312-566-1990 Illinois U.S.A.
  • 3125661991 | +1 312-566-1991 Illinois U.S.A.
  • 3125661992 | +1 312-566-1992 Illinois U.S.A.
  • 3125661993 | +1 312-566-1993 Illinois U.S.A.
  • 3125661994 | +1 312-566-1994 Illinois U.S.A.
  • 3125661995 | +1 312-566-1995 Illinois U.S.A.
  • 3125661996 | +1 312-566-1996 Illinois U.S.A.
  • 3125661997 | +1 312-566-1997 Illinois U.S.A.
  • 3125661998 | +1 312-566-1998 Illinois U.S.A.
  • 3125661999 | +1 312-566-1999 Illinois U.S.A.