Menlo Park, Calif.-based Jingle Networks, which provides directory assistance services, like free411.com, has raised $7.5 million in a fourth round of funding, reports peHUB, according to a regulatory filing discovered by VentureWire. The company has previously raised more than $74 million. Previous investors include: Goldman Sachs & Co., Hearst Corp., IDG Ventures, Liberty Associated Partners and Comcast (NSDQ: CMCSA) Interactive Capital. A company spokesperson has not yet replied to requests seeking more details.