What's a verification code, and why are they so important? Six-digit verification codes are a form of two-factor authentication, a process that helps keep your important online accounts secure. For ...

New area code, who dis? The Big Apple is getting a new area code after a state board Thursday approved a long-gestating request by wireless companies for a fresh three-digit prefix to join existing ...

With new telephone numbers in high demand, the Tennessee Public Utility Commission approved the addition of the new 729 area code to the existing 423 area code region, which covers two non-contiguous ...

Discover how credit card validation codes work and protect against fraud. Learn about their placement, security role, and examples to secure online transactions.

We produce Mifare EV1 RFID tags and need to convert the UID to a seven-digit code printed on a wristband. Does anyone have a formula to convert the UID to a seven-digit code using numbers and letters?

The NAIC number is a unique five-digit identification code associated with an insurer and carries data on their finances, complaints, and more. An NAIC number is issued to every authorized insurance ...

Scammers know they need that extra information to get into your accounts – so they may pose as someone you trust, such as a representative from your bank or utility company, and ask for your PIN, ...

As tempting as it might be, avoid using 0000 as your four-digit PIN code. Same goes for 1010, 1111, 1122, and 1212, which comprises the top five worst PIN codes, according to a list compiled by ...