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).

  • 3127751900 | +1 312-775-1900 Illinois U.S.A.
  • 3127751901 | +1 312-775-1901 Illinois U.S.A.
  • 3127751902 | +1 312-775-1902 Illinois U.S.A.
  • 3127751903 | +1 312-775-1903 Illinois U.S.A.
  • 3127751904 | +1 312-775-1904 Illinois U.S.A.
  • 3127751905 | +1 312-775-1905 Illinois U.S.A.
  • 3127751906 | +1 312-775-1906 Illinois U.S.A.
  • 3127751907 | +1 312-775-1907 Illinois U.S.A.
  • 3127751908 | +1 312-775-1908 Illinois U.S.A.
  • 3127751909 | +1 312-775-1909 Illinois U.S.A.
  • 3127751910 | +1 312-775-1910 Illinois U.S.A.
  • 3127751911 | +1 312-775-1911 Illinois U.S.A.
  • 3127751912 | +1 312-775-1912 Illinois U.S.A.
  • 3127751913 | +1 312-775-1913 Illinois U.S.A.
  • 3127751914 | +1 312-775-1914 Illinois U.S.A.
  • 3127751915 | +1 312-775-1915 Illinois U.S.A.
  • 3127751916 | +1 312-775-1916 Illinois U.S.A.
  • 3127751917 | +1 312-775-1917 Illinois U.S.A.
  • 3127751918 | +1 312-775-1918 Illinois U.S.A.
  • 3127751919 | +1 312-775-1919 Illinois U.S.A.
  • 3127751920 | +1 312-775-1920 Illinois U.S.A.
  • 3127751921 | +1 312-775-1921 Illinois U.S.A.
  • 3127751922 | +1 312-775-1922 Illinois U.S.A.
  • 3127751923 | +1 312-775-1923 Illinois U.S.A.
  • 3127751924 | +1 312-775-1924 Illinois U.S.A.
  • 3127751925 | +1 312-775-1925 Illinois U.S.A.
  • 3127751926 | +1 312-775-1926 Illinois U.S.A.
  • 3127751927 | +1 312-775-1927 Illinois U.S.A.
  • 3127751928 | +1 312-775-1928 Illinois U.S.A.
  • 3127751929 | +1 312-775-1929 Illinois U.S.A.
  • 3127751930 | +1 312-775-1930 Illinois U.S.A.
  • 3127751931 | +1 312-775-1931 Illinois U.S.A.
  • 3127751932 | +1 312-775-1932 Illinois U.S.A.
  • 3127751933 | +1 312-775-1933 Illinois U.S.A.
  • 3127751934 | +1 312-775-1934 Illinois U.S.A.
  • 3127751935 | +1 312-775-1935 Illinois U.S.A.
  • 3127751936 | +1 312-775-1936 Illinois U.S.A.
  • 3127751937 | +1 312-775-1937 Illinois U.S.A.
  • 3127751938 | +1 312-775-1938 Illinois U.S.A.
  • 3127751939 | +1 312-775-1939 Illinois U.S.A.
  • 3127751940 | +1 312-775-1940 Illinois U.S.A.
  • 3127751941 | +1 312-775-1941 Illinois U.S.A.
  • 3127751942 | +1 312-775-1942 Illinois U.S.A.
  • 3127751943 | +1 312-775-1943 Illinois U.S.A.
  • 3127751944 | +1 312-775-1944 Illinois U.S.A.
  • 3127751945 | +1 312-775-1945 Illinois U.S.A.
  • 3127751946 | +1 312-775-1946 Illinois U.S.A.
  • 3127751947 | +1 312-775-1947 Illinois U.S.A.
  • 3127751948 | +1 312-775-1948 Illinois U.S.A.
  • 3127751949 | +1 312-775-1949 Illinois U.S.A.
  • 3127751950 | +1 312-775-1950 Illinois U.S.A.
  • 3127751951 | +1 312-775-1951 Illinois U.S.A.
  • 3127751952 | +1 312-775-1952 Illinois U.S.A.
  • 3127751953 | +1 312-775-1953 Illinois U.S.A.
  • 3127751954 | +1 312-775-1954 Illinois U.S.A.
  • 3127751955 | +1 312-775-1955 Illinois U.S.A.
  • 3127751956 | +1 312-775-1956 Illinois U.S.A.
  • 3127751957 | +1 312-775-1957 Illinois U.S.A.
  • 3127751958 | +1 312-775-1958 Illinois U.S.A.
  • 3127751959 | +1 312-775-1959 Illinois U.S.A.
  • 3127751960 | +1 312-775-1960 Illinois U.S.A.
  • 3127751961 | +1 312-775-1961 Illinois U.S.A.
  • 3127751962 | +1 312-775-1962 Illinois U.S.A.
  • 3127751963 | +1 312-775-1963 Illinois U.S.A.
  • 3127751964 | +1 312-775-1964 Illinois U.S.A.
  • 3127751965 | +1 312-775-1965 Illinois U.S.A.
  • 3127751966 | +1 312-775-1966 Illinois U.S.A.
  • 3127751967 | +1 312-775-1967 Illinois U.S.A.
  • 3127751968 | +1 312-775-1968 Illinois U.S.A.
  • 3127751969 | +1 312-775-1969 Illinois U.S.A.
  • 3127751970 | +1 312-775-1970 Illinois U.S.A.
  • 3127751971 | +1 312-775-1971 Illinois U.S.A.
  • 3127751972 | +1 312-775-1972 Illinois U.S.A.
  • 3127751973 | +1 312-775-1973 Illinois U.S.A.
  • 3127751974 | +1 312-775-1974 Illinois U.S.A.
  • 3127751975 | +1 312-775-1975 Illinois U.S.A.
  • 3127751976 | +1 312-775-1976 Illinois U.S.A.
  • 3127751977 | +1 312-775-1977 Illinois U.S.A.
  • 3127751978 | +1 312-775-1978 Illinois U.S.A.
  • 3127751979 | +1 312-775-1979 Illinois U.S.A.
  • 3127751980 | +1 312-775-1980 Illinois U.S.A.
  • 3127751981 | +1 312-775-1981 Illinois U.S.A.
  • 3127751982 | +1 312-775-1982 Illinois U.S.A.
  • 3127751983 | +1 312-775-1983 Illinois U.S.A.
  • 3127751984 | +1 312-775-1984 Illinois U.S.A.
  • 3127751985 | +1 312-775-1985 Illinois U.S.A.
  • 3127751986 | +1 312-775-1986 Illinois U.S.A.
  • 3127751987 | +1 312-775-1987 Illinois U.S.A.
  • 3127751988 | +1 312-775-1988 Illinois U.S.A.
  • 3127751989 | +1 312-775-1989 Illinois U.S.A.
  • 3127751990 | +1 312-775-1990 Illinois U.S.A.
  • 3127751991 | +1 312-775-1991 Illinois U.S.A.
  • 3127751992 | +1 312-775-1992 Illinois U.S.A.
  • 3127751993 | +1 312-775-1993 Illinois U.S.A.
  • 3127751994 | +1 312-775-1994 Illinois U.S.A.
  • 3127751995 | +1 312-775-1995 Illinois U.S.A.
  • 3127751996 | +1 312-775-1996 Illinois U.S.A.
  • 3127751997 | +1 312-775-1997 Illinois U.S.A.
  • 3127751998 | +1 312-775-1998 Illinois U.S.A.
  • 3127751999 | +1 312-775-1999 Illinois U.S.A.