You may also wish to sign up to one or more of the preference services operating in the United States: The Telephone Preference Service ("the TPS"), the Corporate Telephone Preference Service ("the CTPS"), and the Mailing Preference Service ("the MPS").
Ungase futhi ufise ukubhalisela eyodwa noma ngaphezulu yezinsizakalo ezikhethekile ezisetshenziswa e-UK: Insizakalo Yokukhetha Ngocingo ("i-TPS"), i-Corporate Ucingo Preference Service ("i-CTPS"), ne-Mailing Preference Service (" ama-MPS ").