Same thing here.....I have been getting 2 or 3 calls a DAY from 210-395-4530 saying this is a merchant and card service company and how they can help my company.   I have tried to call back to tell these clowns my number has been a HOME number since 2005 (really!!) and to take my number off their call rolls.   You get the recorded message after their selling recording saying their mailbox is FULL and to call back later.   I am NOT sure why my home number is on these joker's rolls.   ANNOYING!!  I am on the Gov's DO NOT CALL LIST.   What good is that service??????