<page_title> 88th United States Congress </page_title> <section_title> Senate </section_title> <table> <cell> Edwin L. Mechem (R) <col_header> Vacator </col_header> </cell> <cell> Lost special election. Successor elected November 3, 1964. <col_header> Reason for change </col_header> </cell> <cell> Joseph Montoya (D) <col_header> Successor </col_header> </cell> <cell> November 4, 1964 <col_header> Date of successor's formal installation </col_header> </cell> </table>
Edwin L. Mechem (R) served as senator until November 3, 1964, which was later served by Joseph Montoya (D) from November 4, 1964.