You must complete an application. A credit card cannot be issued unless requested. Issuers often acquire names of consumers with good credit ratings from a credit reporting agency and send the Consumers "pre approved" applications.
Card issuers are permitted to mail you an application or a solicitation for a credit card or to ask you by phone whether you want to receive a card and to send you a card if you say yes.For the credit cards you should have goog credit recored ,if you have bad credit or no credit you should build credit record by using prepaid debit cards some credit card companies are providing free prepaid debit cards or free prepaid credit cards.