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).

  • 3124271900 | +1 312-427-1900 Illinois U.S.A.
  • 3124271901 | +1 312-427-1901 Illinois U.S.A.
  • 3124271902 | +1 312-427-1902 Illinois U.S.A.
  • 3124271903 | +1 312-427-1903 Illinois U.S.A.
  • 3124271904 | +1 312-427-1904 Illinois U.S.A.
  • 3124271905 | +1 312-427-1905 Illinois U.S.A.
  • 3124271906 | +1 312-427-1906 Illinois U.S.A.
  • 3124271907 | +1 312-427-1907 Illinois U.S.A.
  • 3124271908 | +1 312-427-1908 Illinois U.S.A.
  • 3124271909 | +1 312-427-1909 Illinois U.S.A.
  • 3124271910 | +1 312-427-1910 Illinois U.S.A.
  • 3124271911 | +1 312-427-1911 Illinois U.S.A.
  • 3124271912 | +1 312-427-1912 Illinois U.S.A.
  • 3124271913 | +1 312-427-1913 Illinois U.S.A.
  • 3124271914 | +1 312-427-1914 Illinois U.S.A.
  • 3124271915 | +1 312-427-1915 Illinois U.S.A.
  • 3124271916 | +1 312-427-1916 Illinois U.S.A.
  • 3124271917 | +1 312-427-1917 Illinois U.S.A.
  • 3124271918 | +1 312-427-1918 Illinois U.S.A.
  • 3124271919 | +1 312-427-1919 Illinois U.S.A.
  • 3124271920 | +1 312-427-1920 Illinois U.S.A.
  • 3124271921 | +1 312-427-1921 Illinois U.S.A.
  • 3124271922 | +1 312-427-1922 Illinois U.S.A.
  • 3124271923 | +1 312-427-1923 Illinois U.S.A.
  • 3124271924 | +1 312-427-1924 Illinois U.S.A.
  • 3124271925 | +1 312-427-1925 Illinois U.S.A.
  • 3124271926 | +1 312-427-1926 Illinois U.S.A.
  • 3124271927 | +1 312-427-1927 Illinois U.S.A.
  • 3124271928 | +1 312-427-1928 Illinois U.S.A.
  • 3124271929 | +1 312-427-1929 Illinois U.S.A.
  • 3124271930 | +1 312-427-1930 Illinois U.S.A.
  • 3124271931 | +1 312-427-1931 Illinois U.S.A.
  • 3124271932 | +1 312-427-1932 Illinois U.S.A.
  • 3124271933 | +1 312-427-1933 Illinois U.S.A.
  • 3124271934 | +1 312-427-1934 Illinois U.S.A.
  • 3124271935 | +1 312-427-1935 Illinois U.S.A.
  • 3124271936 | +1 312-427-1936 Illinois U.S.A.
  • 3124271937 | +1 312-427-1937 Illinois U.S.A.
  • 3124271938 | +1 312-427-1938 Illinois U.S.A.
  • 3124271939 | +1 312-427-1939 Illinois U.S.A.
  • 3124271940 | +1 312-427-1940 Illinois U.S.A.
  • 3124271941 | +1 312-427-1941 Illinois U.S.A.
  • 3124271942 | +1 312-427-1942 Illinois U.S.A.
  • 3124271943 | +1 312-427-1943 Illinois U.S.A.
  • 3124271944 | +1 312-427-1944 Illinois U.S.A.
  • 3124271945 | +1 312-427-1945 Illinois U.S.A.
  • 3124271946 | +1 312-427-1946 Illinois U.S.A.
  • 3124271947 | +1 312-427-1947 Illinois U.S.A.
  • 3124271948 | +1 312-427-1948 Illinois U.S.A.
  • 3124271949 | +1 312-427-1949 Illinois U.S.A.
  • 3124271950 | +1 312-427-1950 Illinois U.S.A.
  • 3124271951 | +1 312-427-1951 Illinois U.S.A.
  • 3124271952 | +1 312-427-1952 Illinois U.S.A.
  • 3124271953 | +1 312-427-1953 Illinois U.S.A.
  • 3124271954 | +1 312-427-1954 Illinois U.S.A.
  • 3124271955 | +1 312-427-1955 Illinois U.S.A.
  • 3124271956 | +1 312-427-1956 Illinois U.S.A.
  • 3124271957 | +1 312-427-1957 Illinois U.S.A.
  • 3124271958 | +1 312-427-1958 Illinois U.S.A.
  • 3124271959 | +1 312-427-1959 Illinois U.S.A.
  • 3124271960 | +1 312-427-1960 Illinois U.S.A.
  • 3124271961 | +1 312-427-1961 Illinois U.S.A.
  • 3124271962 | +1 312-427-1962 Illinois U.S.A.
  • 3124271963 | +1 312-427-1963 Illinois U.S.A.
  • 3124271964 | +1 312-427-1964 Illinois U.S.A.
  • 3124271965 | +1 312-427-1965 Illinois U.S.A.
  • 3124271966 | +1 312-427-1966 Illinois U.S.A.
  • 3124271967 | +1 312-427-1967 Illinois U.S.A.
  • 3124271968 | +1 312-427-1968 Illinois U.S.A.
  • 3124271969 | +1 312-427-1969 Illinois U.S.A.
  • 3124271970 | +1 312-427-1970 Illinois U.S.A.
  • 3124271971 | +1 312-427-1971 Illinois U.S.A.
  • 3124271972 | +1 312-427-1972 Illinois U.S.A.
  • 3124271973 | +1 312-427-1973 Illinois U.S.A.
  • 3124271974 | +1 312-427-1974 Illinois U.S.A.
  • 3124271975 | +1 312-427-1975 Illinois U.S.A.
  • 3124271976 | +1 312-427-1976 Illinois U.S.A.
  • 3124271977 | +1 312-427-1977 Illinois U.S.A.
  • 3124271978 | +1 312-427-1978 Illinois U.S.A.
  • 3124271979 | +1 312-427-1979 Illinois U.S.A.
  • 3124271980 | +1 312-427-1980 Illinois U.S.A.
  • 3124271981 | +1 312-427-1981 Illinois U.S.A.
  • 3124271982 | +1 312-427-1982 Illinois U.S.A.
  • 3124271983 | +1 312-427-1983 Illinois U.S.A.
  • 3124271984 | +1 312-427-1984 Illinois U.S.A.
  • 3124271985 | +1 312-427-1985 Illinois U.S.A.
  • 3124271986 | +1 312-427-1986 Illinois U.S.A.
  • 3124271987 | +1 312-427-1987 Illinois U.S.A.
  • 3124271988 | +1 312-427-1988 Illinois U.S.A.
  • 3124271989 | +1 312-427-1989 Illinois U.S.A.
  • 3124271990 | +1 312-427-1990 Illinois U.S.A.
  • 3124271991 | +1 312-427-1991 Illinois U.S.A.
  • 3124271992 | +1 312-427-1992 Illinois U.S.A.
  • 3124271993 | +1 312-427-1993 Illinois U.S.A.
  • 3124271994 | +1 312-427-1994 Illinois U.S.A.
  • 3124271995 | +1 312-427-1995 Illinois U.S.A.
  • 3124271996 | +1 312-427-1996 Illinois U.S.A.
  • 3124271997 | +1 312-427-1997 Illinois U.S.A.
  • 3124271998 | +1 312-427-1998 Illinois U.S.A.
  • 3124271999 | +1 312-427-1999 Illinois U.S.A.