surprisingly, I've been registered for 15+ years and I don't get too much political spam via text. Tons through mail, but not my phone (I never changed my phone

surprisingly, I've been registered for 15+ years and I don't get too much political spam via text. Tons through mail, but not my phone (I never changed my phone number either). Now regular spam... I'm pretty sure I got 6 calls today alone. Help.