Views: 562 merrick bank/activate Login : www-double your line-com-merrick-bank-credit-card To activate your new Merrick Bank Card, login into activate.merrickbank.com/activate/ and you will need to provide are your 16-digit card number, your four-digit SSN, and your DOB … Continue reading merrick bank/activate Login : www-double your line-com-merrick-bank-credit-card