New York—Dow Jones & Co., publisher of The Wall Street Journal, said Monday that it is exploring the possible sale of its Ottaway community newspapers in six markets. The company said potential deals would raise cash to repay debt and to invest in current businesses. It also said it would consider exchanging the newspapers for other community papers. The newspapers under consideration are in Danbury, Conn.; Oneonta, N.Y.; Plattsburg, N.Y.; Santa Cruz, Calif.; Sunbury, Pa.; and Traverse City, Mich. Dow Jones bought Ottaway in 1970. The unit, with 15 daily and 19 weekly newspapers and more than 18 other publications in nine states, has a total daily circulation of 431,057 and Sunday circulation of 473,167, according to the company’s Web site.