The first thing you need to do is add yourself to the Do Not Call list. You can do that on this site https://www.donotcall.gov/
DIRECTV:
https://support.directv.com/app/ask (Make sure to include your contact information so they know who to remove.)
Comcast:
Comcast has a website just for being removed from their mailing list. You can find it here http://customer.comcast.com/help-and-support/account/do-not-call-do-not-mail-registry-requests
Centurylink:
All you have to do is go to this site and fill out the form. https://www.qwest.com/privacy/optout.html
Dish:
TWC/Charter/Spectrum:
You can be removed from Charters, Spectrums, and TWC mailing lists here: https://www.spectrum.com/browse/content/remove.html
AT&T:
You can find out how to be removed from their lists here: http://www.att.com/gen/privacy-policy?pid=22975
I will be adding more companies as I find out how to get removed from their lists.
Cox:
We could not find any website to stop getting spam from Cox Communications. As best we can tell you need to call Cox and ask to be removed. You can contact Cox Communications at 1-800-818-0679.
If you have a company you want help getting removed from their mailing list please post it in the comments. I will do my best to find out how to get off their list.
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