POWER OF ATTORNEY

         KNOW ALL MEN BY THESE PRESENTS, that the undersigned, American Century
California Tax-Free and Municipal Funds, hereinafter called the "Trust", and
certain trustees and officers of the Trust, do hereby constitute and appoint
William M. Lyons, David C. Tucker, Charles A. Etherington, David H. Reinmiller,
Charles C.S. Park, Janet A. Nash, Brian L. Brogan and Otis H. Cowan, and each of
them individually, their true and lawful attorneys and agents to take any and
all action and execute any and all instruments which said attorneys and agents
may deem necessary or advisable to enable the Trust to comply with the
Securities Act of 1933 and/or the Investment Company Act of 1940, as amended,
and any rules, regulations, orders, or other requirements of the United States
Securities and Exchange Commission thereunder, in connection with the
registration under the Securities Act of 1933 and/or the Investment Company Act
of 1940, as amended, including specifically, but without limitation of the
foregoing, power and authority to sign the name of the Trust in its behalf and
to affix its seal, and to sign the names of each of such trustees and officers
in their capacities as indicated, to any amendment or supplement to the
Registration Statement filed with the Securities and Exchange Commission under
the Securities Act of 1933 and/or the Investment Company Act of 1940, as
amended, and to any instruments or documents filed or to be filed as a part of
or in connection with such Registration Statement; and each of the undersigned
hereby ratifies and confirms all that said attorneys and agents shall do or
cause to be done by virtue hereof.

         IN WITNESS WHEREOF, the Trust has caused this Power to be executed by
its duly authorized officers on this the 16th day of September, 2000.

                AMERICAN CENTURY CALIFORNIA TAX-FREE AND MUNICIPAL FUNDS


                By:  /s/ William M. Lyons
                     William M. Lyons, President and Principal Executive Officer


                               SIGNATURE AND TITLE


/s/ William M. Lyons                                     /s/ Ronald J. Gilson
William M. Lyons                                         Ronald J. Gilson
President, Trustee and Principal Executive Officer       Trustee


/s/ Robert T. Jackson                                    /s/ Myron S. Scholes
Robert T. Jackson                                        Myron S. Scholes
Executive Vice President and                             Trustee
Principal Financial Officer

/s/ Maryanne Roepke                                      /s/ Kenneth E. Scott
Maryanne Roepke                                          Kenneth E. Scott
Senior Vice President, Treasurer and                     Trustee
Principal Accounting Officer

/s/ James E. Stowers III                                 /s/ Jeanne D. Wohlers
James E. Stowers, III                                    Jeanne D. Wohlers
Trustee                                                  Trustee


                                                         /s/ Albert A. Eisenstat
                                                         Albert A. Eisenstat
Attest:                                                  Trustee


By:  /s/ Paul Carrigan Jr.
     Paul Carrigan Jr., Secretary