Visually Mapped White Pages Mashup - GeoWhitePages has been completely revamped with a new user interface (it's really nice) and also sees the addition of census data to the info-windows. Here is the description from the site: "..GeoWhitePages.com provides a free people search service that displays its search results on a map. Instantly find friends and family by performing a Name or Phone search." (Works for the U.S. only)
Phone Number Geolocator - Want to geographically locate the phone prefix (NPA-NXX) of a US or Canadian telephone number? Use this Google Maps based tool to perform the lookup and nifty gmaps pin marks the spot. This is a great little tool. [via ProgrammableWeb.com]
"Google Stalk" (Canada) - Plot people by Canadian Phone numbers.