Classifieds listing service Oodle has raised $1.5 million of an expected $3 million from Greylock Partners and Redpoint Ventures, according to a filing with the SEC. The San Mateo, Calif. company operates its own online classifieds network and powers the marketplace on Facebook.

Oodle aggregates listings from across the Web and has more than 15 million unique monthly users. The company launched an iPhone marketplace app last month.

Oodle last raised $5.6 million in February 2009 and has raised more than $23 million to date.