Using the electronic mail to send messages to people all over the world is as easy as writing a note to pass down to the classmate on the third row of the class, but once you forget or have no record of an email address that you need at the moment, that's going to be a problem. You'd either be going through your address book or asking other possible contacts for that particular email address, but there is an easier and more efficient way to search for email addresses.

You may try guessing, asking others, going through your address books and business cards, or even searching for the email address through Google and Yahoo. But the most popular choice for email searching is through legitimate email directories as these provide quick results, which include the name, state, IP address, and all other necessary information about the person. You can also search for the correct email address if in case he or she has changed the user ID without you knowing it. There are a lot of affordable email directories on the web, so all you have to do is search, compare prices, and pick out the best choice for you.

Here are 5 useful tips on how to search for email addresses using email address look-up services online:

1. Choose an email address look-up service that has been used and relied on by others all over the net. You can tell if a particular service is useful and reliable if there are customer testimonials and other claims in forums and blogs that have praised and provided honest positive comments about the services provided.

2. You can either go for a specific kind of email address look-up service or subscribe to a service that has everything from general email searches to reverse email look-ups. This is especially useful if you need to retrieve email addresses of hundreds of people, which is a task usually faced by those in the work force or in an executive company with hundreds of people to contact.

3. When in search for email addresses¸ always remember to input the necessary information such as the first and last name of the person, the state where you think he or she is residing in currently, and other necessary information or data needed to locate the email address. If you're using the reverse email address look-up, you can just input the mysterious and unknown email address and the name or company responsible for sending the mysterious and unwanted emails will be shown.

4. If you're planning on using this email address look-up service long term, you should compare prices of the different subscription packages available to be able to narrow down your options to the best deals in the market. Make sure that the company behind the service provides its potential subscribers secure and safe payment methods and has a 24/7 customer service that will assist anybody with problems or questions regarding the service.