Verizon is offering several kinds of personalized home listings for next year's phone books, as touted in a one-page advertisement in the current white pages.

But Mr. Morris countered that by charging its "lender partners" a fee, Microsoft was able to provide free home listings.

The firms also hope that the database will eventually be the best place to go for home listings, perhaps allowing them to cut newspaper classified ads.

Then it started Move.com and tried to create a one-stop Web site with home listings and all sorts of online tools for home buyers and sellers.

Case, Shiller's partner, tracked 628 home listings in the Boston area during 2006, as prices began to fall.

But while home listings were hard to find on the Internet several years ago, that is no longer the case.

In 2002 they reported approximately 2,000 home listings.

These include synonyms, weather forecasts, time zones, stock quotes, maps, earthquake data, movie showtimes, airports, home listings, and sports scores.

The telephone of the office, listed as Mideast Center, was off the hook yesterday afternoon, an operator said, and there was no home listing for anyone at that address.

My realtor provided me with a printout with home listings.