(Corrects the day in the first paragraph to Sunday, not Monday)

Sept 12 (Reuters) - TransUnion is nearing a deal to buy information services company Neustar Inc for $3.1 billion, the Wall Street Journal reported late on Sunday, citing people familiar with the matter.

The deal could be finalized by Monday, the report https://on.wsj.com/3E9tbsP said. (Reporting by Akriti Sharma in Bengaluru; Editing by Christopher Cushing)