What Does Number Sign Mean?
The number sign ("#"), also called the “pound sign” or “hash sign,” is a specific digital and print character that is represented by the ASCII value 35 or the binary input 010-0011. Although it is not an alphanumeric character, it has been present in earlier technologies, such as in typewriter keyboards and telephone keypads, and still gets a lot of use in cutting-edge technologies, such as social media.
Techopedia Explains Number Sign
Reports on the history of this sign, which is also called the octothorpe, show that it was created at Bell Laboratories to add to the telephone a way of sending instructions to the phone operator.
