| AOL E-Mail Finder: Locate email addresses of people throughout the United States. |
| Bigfoot Directories: Interactive search of e-mail directory listings. |
| EmailChange.com: Change of email address search engine and registry. |
| EmailFinder and URLFinder: Linka old e-mail and web addresses with current information. |
| Find Email Addresses: Directory of places that allow you look up E-mail addresses |
| Find mE-Mail: Search engine connecting old e-mail addresses to new ones. Invites registration of new e-mail addresses. |
| Free Email Guide: Guide to free email search engines and directories. Lists the features of each service. |
| FreshAddress.com: A free change of email address directory where you can search by name or old email address. Email appending, ECOA and list hygiene services available for businesses. |
| InfoSpace Email Search: Worldwide email directory. |
| MailLocate.com: Database of new email addresses that match with old ones. Includes anti-spam protection. |
| MESA: Meta Email Search Agent: For a given name it searches in parallel at (nearly) all available sources of email addresses on the Internet. |
| TowerData: Email data quality services for businesses: email append, email change of address (ECOA), and email list hygiene. |
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