Although there are plenty of regulations in place to keep businesses from repeatedly filling your mailbox with junk advertisements, political organizations are not under such stringent obligations. However, though it may involve a little more effort to stop political advertisements, there are some tried and true methods you can use to stop those pesky advertisements and pamphlets from cluttering your mailbox.
Open the junk mail and look near the bottom of the pamphlet or letter. Occasionally there will be a phone number you can contact to opt out of future mailings. Though political organizations are not obligated to provide an opt-out number, some still choose to provide this service.
Submit correspondence. Many political organizations provide a self-addressed envelope for supporters to send in donations and comments. Simply return this envelope to the organization along with a polite note saying that you do not wish to receive further correspondence.
Contact the political party directly. If you cannot find an opt-out number, try using the direct contact information you found in the pamphlet or letter. Simply contact the political party at their main contact number and let the person who answers the phone know that you have been receiving mailings and would like to be removed from the list.