Oppenheimer AMT-Free Municipals

Oppenheimer AMT-Free New York Municipals

Oppenheimer California Municipal Fund

Oppenheimer Limited Term California Municipal Fund

Oppenheimer Limited Term Municipal Fund

Oppenheimer New Jersey Municipal Fund

Oppenheimer Pennsylvania Municipal Fund

Oppenheimer Rochester Arizona Municipal Fund

Oppenheimer Rochester Maryland Municipal Fund

Oppenheimer Rochester Massachusetts Municipal Fund

Oppenheimer Rochester Michigan Municipal Fund

Oppenheimer Rochester Minnesota Municipal Fund

Oppenheimer Rochester National Municipals

Oppenheimer Rochester North Carolina Municipal Fund

Oppenheimer Rochester Ohio Municipal Fund

Oppenheimer Rochester Virginia Municipal Fund

Limited Term New York Municipal Fund

Rochester Fund Municipals

Prospectus Supplement dated June 23, 2011

This supplement amends the prospectus of each of the above referenced funds (each a “Fund”) as follows and is in addition to any other supplement(s).

The following sentence is added to the paragraph in the section titled “About Class B Shares-Automatic Conversion of Class B Shares”:

On July 1, 2011, all Class B shares held in certain retirement plan accounts will convert to Class A shares, or to another share class selected by the plan sponsor.

June 23, 2011                                                                                                                                                       PS0000.062