There are few kinds of calls anywhere near as a annoying as telemarketers. After all, other annoying callers can be made to stop, but telemarketers are relentless. Before you stop telemarketing calls, you’ll need to learn more about how telemarketers work and how they get your phone number. By understanding this, you can avoid letting telemarketers get your phone number in the first place. And even if they do already have your phone number, you can still fight back with a reverse phone lookup.The best way to stop telemarketers is to make sure they never get your phone number. You see, for the most part, telemarketers don’t just pull the numbers they call out of phonebooks. They actually purchase the lists of phone numbers from unscrupulous firms that collect such information. This means that, by being discerning about who you give your phone number to, you can cut back drastically on the number of telemarketing calls you get. Contests and drawings, both online and in person, are one way that number harvesters use to gain phone numbers. Always read the fine print before surrendering your private information. This way, you can keep your phone number from falling onto the lists of telemarketers in the first place.But if the telemarketers already have your number, you still have the option of using a reverse phone lookup. A reverse phone lookup is a website that specializes in providing data about mysterious or unknown phone numbers. By searching for the number that the telemarketers keep calling you from, you can find the name and address that the mysterious phone number is registered to. By sending a written request to be removed from that company’s call list, the company is legally bound to quit bothering you. If they don’t, then you’ll have the evidence you need to lodge an official complaint. Either way, you can start to rid your phone of annoying sales calls.And helping you stop worrying about telemarketer calls is just one worthwhile reason to perform a cell phone lookup. There are lots of other great uses for these convenient search sites. And when you find out how easy and convenient reverse phone lookups are to use, you may just think up a few more reasons of your own.