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).

  • 3128271900 | +1 312-827-1900 Illinois U.S.A.
  • 3128271901 | +1 312-827-1901 Illinois U.S.A.
  • 3128271902 | +1 312-827-1902 Illinois U.S.A.
  • 3128271903 | +1 312-827-1903 Illinois U.S.A.
  • 3128271904 | +1 312-827-1904 Illinois U.S.A.
  • 3128271905 | +1 312-827-1905 Illinois U.S.A.
  • 3128271906 | +1 312-827-1906 Illinois U.S.A.
  • 3128271907 | +1 312-827-1907 Illinois U.S.A.
  • 3128271908 | +1 312-827-1908 Illinois U.S.A.
  • 3128271909 | +1 312-827-1909 Illinois U.S.A.
  • 3128271910 | +1 312-827-1910 Illinois U.S.A.
  • 3128271911 | +1 312-827-1911 Illinois U.S.A.
  • 3128271912 | +1 312-827-1912 Illinois U.S.A.
  • 3128271913 | +1 312-827-1913 Illinois U.S.A.
  • 3128271914 | +1 312-827-1914 Illinois U.S.A.
  • 3128271915 | +1 312-827-1915 Illinois U.S.A.
  • 3128271916 | +1 312-827-1916 Illinois U.S.A.
  • 3128271917 | +1 312-827-1917 Illinois U.S.A.
  • 3128271918 | +1 312-827-1918 Illinois U.S.A.
  • 3128271919 | +1 312-827-1919 Illinois U.S.A.
  • 3128271920 | +1 312-827-1920 Illinois U.S.A.
  • 3128271921 | +1 312-827-1921 Illinois U.S.A.
  • 3128271922 | +1 312-827-1922 Illinois U.S.A.
  • 3128271923 | +1 312-827-1923 Illinois U.S.A.
  • 3128271924 | +1 312-827-1924 Illinois U.S.A.
  • 3128271925 | +1 312-827-1925 Illinois U.S.A.
  • 3128271926 | +1 312-827-1926 Illinois U.S.A.
  • 3128271927 | +1 312-827-1927 Illinois U.S.A.
  • 3128271928 | +1 312-827-1928 Illinois U.S.A.
  • 3128271929 | +1 312-827-1929 Illinois U.S.A.
  • 3128271930 | +1 312-827-1930 Illinois U.S.A.
  • 3128271931 | +1 312-827-1931 Illinois U.S.A.
  • 3128271932 | +1 312-827-1932 Illinois U.S.A.
  • 3128271933 | +1 312-827-1933 Illinois U.S.A.
  • 3128271934 | +1 312-827-1934 Illinois U.S.A.
  • 3128271935 | +1 312-827-1935 Illinois U.S.A.
  • 3128271936 | +1 312-827-1936 Illinois U.S.A.
  • 3128271937 | +1 312-827-1937 Illinois U.S.A.
  • 3128271938 | +1 312-827-1938 Illinois U.S.A.
  • 3128271939 | +1 312-827-1939 Illinois U.S.A.
  • 3128271940 | +1 312-827-1940 Illinois U.S.A.
  • 3128271941 | +1 312-827-1941 Illinois U.S.A.
  • 3128271942 | +1 312-827-1942 Illinois U.S.A.
  • 3128271943 | +1 312-827-1943 Illinois U.S.A.
  • 3128271944 | +1 312-827-1944 Illinois U.S.A.
  • 3128271945 | +1 312-827-1945 Illinois U.S.A.
  • 3128271946 | +1 312-827-1946 Illinois U.S.A.
  • 3128271947 | +1 312-827-1947 Illinois U.S.A.
  • 3128271948 | +1 312-827-1948 Illinois U.S.A.
  • 3128271949 | +1 312-827-1949 Illinois U.S.A.
  • 3128271950 | +1 312-827-1950 Illinois U.S.A.
  • 3128271951 | +1 312-827-1951 Illinois U.S.A.
  • 3128271952 | +1 312-827-1952 Illinois U.S.A.
  • 3128271953 | +1 312-827-1953 Illinois U.S.A.
  • 3128271954 | +1 312-827-1954 Illinois U.S.A.
  • 3128271955 | +1 312-827-1955 Illinois U.S.A.
  • 3128271956 | +1 312-827-1956 Illinois U.S.A.
  • 3128271957 | +1 312-827-1957 Illinois U.S.A.
  • 3128271958 | +1 312-827-1958 Illinois U.S.A.
  • 3128271959 | +1 312-827-1959 Illinois U.S.A.
  • 3128271960 | +1 312-827-1960 Illinois U.S.A.
  • 3128271961 | +1 312-827-1961 Illinois U.S.A.
  • 3128271962 | +1 312-827-1962 Illinois U.S.A.
  • 3128271963 | +1 312-827-1963 Illinois U.S.A.
  • 3128271964 | +1 312-827-1964 Illinois U.S.A.
  • 3128271965 | +1 312-827-1965 Illinois U.S.A.
  • 3128271966 | +1 312-827-1966 Illinois U.S.A.
  • 3128271967 | +1 312-827-1967 Illinois U.S.A.
  • 3128271968 | +1 312-827-1968 Illinois U.S.A.
  • 3128271969 | +1 312-827-1969 Illinois U.S.A.
  • 3128271970 | +1 312-827-1970 Illinois U.S.A.
  • 3128271971 | +1 312-827-1971 Illinois U.S.A.
  • 3128271972 | +1 312-827-1972 Illinois U.S.A.
  • 3128271973 | +1 312-827-1973 Illinois U.S.A.
  • 3128271974 | +1 312-827-1974 Illinois U.S.A.
  • 3128271975 | +1 312-827-1975 Illinois U.S.A.
  • 3128271976 | +1 312-827-1976 Illinois U.S.A.
  • 3128271977 | +1 312-827-1977 Illinois U.S.A.
  • 3128271978 | +1 312-827-1978 Illinois U.S.A.
  • 3128271979 | +1 312-827-1979 Illinois U.S.A.
  • 3128271980 | +1 312-827-1980 Illinois U.S.A.
  • 3128271981 | +1 312-827-1981 Illinois U.S.A.
  • 3128271982 | +1 312-827-1982 Illinois U.S.A.
  • 3128271983 | +1 312-827-1983 Illinois U.S.A.
  • 3128271984 | +1 312-827-1984 Illinois U.S.A.
  • 3128271985 | +1 312-827-1985 Illinois U.S.A.
  • 3128271986 | +1 312-827-1986 Illinois U.S.A.
  • 3128271987 | +1 312-827-1987 Illinois U.S.A.
  • 3128271988 | +1 312-827-1988 Illinois U.S.A.
  • 3128271989 | +1 312-827-1989 Illinois U.S.A.
  • 3128271990 | +1 312-827-1990 Illinois U.S.A.
  • 3128271991 | +1 312-827-1991 Illinois U.S.A.
  • 3128271992 | +1 312-827-1992 Illinois U.S.A.
  • 3128271993 | +1 312-827-1993 Illinois U.S.A.
  • 3128271994 | +1 312-827-1994 Illinois U.S.A.
  • 3128271995 | +1 312-827-1995 Illinois U.S.A.
  • 3128271996 | +1 312-827-1996 Illinois U.S.A.
  • 3128271997 | +1 312-827-1997 Illinois U.S.A.
  • 3128271998 | +1 312-827-1998 Illinois U.S.A.
  • 3128271999 | +1 312-827-1999 Illinois U.S.A.