: provides much of the same info as the previous two sites for free.Accessing free info will also require an account sign-up with an email address. Searches provide names, addresses and maps, plus additional information for a fee. Unlisted numbers aren't available, but international numbers are. : Operated by Intellius, works off a database of information from local phone companies.For a fee, you also can get background information on the phone owner. It also provides similar information for neighbors. Besides name, address and map, the site provides the phone number owner's approximate age. International numbers also can be searched. At the start of 2008, 's database covered more than 180 million Americans, or more than 80 percent of U.S. : This site receives more than 30 million unique monthly visitors in North America.If you want these services, you can pay for each search individually or pay an annual fee for an unlimited number of lookups. These usually are paid functions that can provide unlisted and cellphone numbers for the person, as well as other personal information.

You may see a 'for more information' or 'advanced search' function. As with a search engine, you'll usually be given the person's name, street address and a link to a map for driving directions. Hit 'enter,' and you'll see listings for sites that provide reverse phone lookup. Type 'reverse phone lookup' in the search field.If your search site doesn't point you on the right track, then a dedicated reverse lookup service will have to be used. If the number belongs to a residential address, however, then search engines aren't going to index it. If that number belongs to a business, it will probably be listed at the top of the page, with any corresponding map sheets and website links.

Start your reverse lookup by typing the full phone number into the search field.

Google and other search engines index the phone numbers of registered businesses, along with addresses and other contact info.

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