A postal code is a five digit code used to help postal services deliver mail and packages. Here's what the numbers mean and how they determine yours.

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.

WhatsApp is launching a new beta version for Android users to use the new security feature; a 6-digit code to log into WhatsApp on different devices.

What Is a SIC Code? Standard Industrial Classification (SIC) codes are four-digit numerical codes used to categorize U.S. companies by the industries in which they operate.

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 ...

Universities assign CIP codes to their academic programs. At RIT, each program of study has a 6-digit CIP code which can be viewed in the RIT Program Library. CIP Codes and STEM Designation CIP codes ...