Looking for the latest Last Letter codes? We’ve got you covered! This list includes all of the active… The post Last Letter ...

A Social Security claim number is always followed by a letter symbol, which were essentially assigned alphabetically as benefits were added to Social Security law. Zinkevych / Getty Images/iStockphoto ...

HMRC has shed light on the seemingly random set of digits that makeup our tax codes, which play a pivotal role in our financial matters. Your tax code, a simple combination of numbers and letters, is ...

Shoppers have been confused by a series of secret letters and numbers printed on food packaging and have been asking what the hidden meaning is. One shopper, Naomi Willis, posted in the Facebook group ...

Julia Kagan is a financial/consumer journalist and former senior editor, personal finance, of Investopedia. Investopedia / Matthew Collins Reference numbers commonly include random numbers or letters ...