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).

  • 3125031900 | +1 312-503-1900 Illinois U.S.A.
  • 3125031901 | +1 312-503-1901 Illinois U.S.A.
  • 3125031902 | +1 312-503-1902 Illinois U.S.A.
  • 3125031903 | +1 312-503-1903 Illinois U.S.A.
  • 3125031904 | +1 312-503-1904 Illinois U.S.A.
  • 3125031905 | +1 312-503-1905 Illinois U.S.A.
  • 3125031906 | +1 312-503-1906 Illinois U.S.A.
  • 3125031907 | +1 312-503-1907 Illinois U.S.A.
  • 3125031908 | +1 312-503-1908 Illinois U.S.A.
  • 3125031909 | +1 312-503-1909 Illinois U.S.A.
  • 3125031910 | +1 312-503-1910 Illinois U.S.A.
  • 3125031911 | +1 312-503-1911 Illinois U.S.A.
  • 3125031912 | +1 312-503-1912 Illinois U.S.A.
  • 3125031913 | +1 312-503-1913 Illinois U.S.A.
  • 3125031914 | +1 312-503-1914 Illinois U.S.A.
  • 3125031915 | +1 312-503-1915 Illinois U.S.A.
  • 3125031916 | +1 312-503-1916 Illinois U.S.A.
  • 3125031917 | +1 312-503-1917 Illinois U.S.A.
  • 3125031918 | +1 312-503-1918 Illinois U.S.A.
  • 3125031919 | +1 312-503-1919 Illinois U.S.A.
  • 3125031920 | +1 312-503-1920 Illinois U.S.A.
  • 3125031921 | +1 312-503-1921 Illinois U.S.A.
  • 3125031922 | +1 312-503-1922 Illinois U.S.A.
  • 3125031923 | +1 312-503-1923 Illinois U.S.A.
  • 3125031924 | +1 312-503-1924 Illinois U.S.A.
  • 3125031925 | +1 312-503-1925 Illinois U.S.A.
  • 3125031926 | +1 312-503-1926 Illinois U.S.A.
  • 3125031927 | +1 312-503-1927 Illinois U.S.A.
  • 3125031928 | +1 312-503-1928 Illinois U.S.A.
  • 3125031929 | +1 312-503-1929 Illinois U.S.A.
  • 3125031930 | +1 312-503-1930 Illinois U.S.A.
  • 3125031931 | +1 312-503-1931 Illinois U.S.A.
  • 3125031932 | +1 312-503-1932 Illinois U.S.A.
  • 3125031933 | +1 312-503-1933 Illinois U.S.A.
  • 3125031934 | +1 312-503-1934 Illinois U.S.A.
  • 3125031935 | +1 312-503-1935 Illinois U.S.A.
  • 3125031936 | +1 312-503-1936 Illinois U.S.A.
  • 3125031937 | +1 312-503-1937 Illinois U.S.A.
  • 3125031938 | +1 312-503-1938 Illinois U.S.A.
  • 3125031939 | +1 312-503-1939 Illinois U.S.A.
  • 3125031940 | +1 312-503-1940 Illinois U.S.A.
  • 3125031941 | +1 312-503-1941 Illinois U.S.A.
  • 3125031942 | +1 312-503-1942 Illinois U.S.A.
  • 3125031943 | +1 312-503-1943 Illinois U.S.A.
  • 3125031944 | +1 312-503-1944 Illinois U.S.A.
  • 3125031945 | +1 312-503-1945 Illinois U.S.A.
  • 3125031946 | +1 312-503-1946 Illinois U.S.A.
  • 3125031947 | +1 312-503-1947 Illinois U.S.A.
  • 3125031948 | +1 312-503-1948 Illinois U.S.A.
  • 3125031949 | +1 312-503-1949 Illinois U.S.A.
  • 3125031950 | +1 312-503-1950 Illinois U.S.A.
  • 3125031951 | +1 312-503-1951 Illinois U.S.A.
  • 3125031952 | +1 312-503-1952 Illinois U.S.A.
  • 3125031953 | +1 312-503-1953 Illinois U.S.A.
  • 3125031954 | +1 312-503-1954 Illinois U.S.A.
  • 3125031955 | +1 312-503-1955 Illinois U.S.A.
  • 3125031956 | +1 312-503-1956 Illinois U.S.A.
  • 3125031957 | +1 312-503-1957 Illinois U.S.A.
  • 3125031958 | +1 312-503-1958 Illinois U.S.A.
  • 3125031959 | +1 312-503-1959 Illinois U.S.A.
  • 3125031960 | +1 312-503-1960 Illinois U.S.A.
  • 3125031961 | +1 312-503-1961 Illinois U.S.A.
  • 3125031962 | +1 312-503-1962 Illinois U.S.A.
  • 3125031963 | +1 312-503-1963 Illinois U.S.A.
  • 3125031964 | +1 312-503-1964 Illinois U.S.A.
  • 3125031965 | +1 312-503-1965 Illinois U.S.A.
  • 3125031966 | +1 312-503-1966 Illinois U.S.A.
  • 3125031967 | +1 312-503-1967 Illinois U.S.A.
  • 3125031968 | +1 312-503-1968 Illinois U.S.A.
  • 3125031969 | +1 312-503-1969 Illinois U.S.A.
  • 3125031970 | +1 312-503-1970 Illinois U.S.A.
  • 3125031971 | +1 312-503-1971 Illinois U.S.A.
  • 3125031972 | +1 312-503-1972 Illinois U.S.A.
  • 3125031973 | +1 312-503-1973 Illinois U.S.A.
  • 3125031974 | +1 312-503-1974 Illinois U.S.A.
  • 3125031975 | +1 312-503-1975 Illinois U.S.A.
  • 3125031976 | +1 312-503-1976 Illinois U.S.A.
  • 3125031977 | +1 312-503-1977 Illinois U.S.A.
  • 3125031978 | +1 312-503-1978 Illinois U.S.A.
  • 3125031979 | +1 312-503-1979 Illinois U.S.A.
  • 3125031980 | +1 312-503-1980 Illinois U.S.A.
  • 3125031981 | +1 312-503-1981 Illinois U.S.A.
  • 3125031982 | +1 312-503-1982 Illinois U.S.A.
  • 3125031983 | +1 312-503-1983 Illinois U.S.A.
  • 3125031984 | +1 312-503-1984 Illinois U.S.A.
  • 3125031985 | +1 312-503-1985 Illinois U.S.A.
  • 3125031986 | +1 312-503-1986 Illinois U.S.A.
  • 3125031987 | +1 312-503-1987 Illinois U.S.A.
  • 3125031988 | +1 312-503-1988 Illinois U.S.A.
  • 3125031989 | +1 312-503-1989 Illinois U.S.A.
  • 3125031990 | +1 312-503-1990 Illinois U.S.A.
  • 3125031991 | +1 312-503-1991 Illinois U.S.A.
  • 3125031992 | +1 312-503-1992 Illinois U.S.A.
  • 3125031993 | +1 312-503-1993 Illinois U.S.A.
  • 3125031994 | +1 312-503-1994 Illinois U.S.A.
  • 3125031995 | +1 312-503-1995 Illinois U.S.A.
  • 3125031996 | +1 312-503-1996 Illinois U.S.A.
  • 3125031997 | +1 312-503-1997 Illinois U.S.A.
  • 3125031998 | +1 312-503-1998 Illinois U.S.A.
  • 3125031999 | +1 312-503-1999 Illinois U.S.A.