QRZ, the name of the website, is the "Q" code for "Who is calling me?" and corresponds to the site's purpose of assisting amateur radio operators with the lookup of ham radio call signs from every country in the world.

:00 – “Q R Zed stateside, Radio LimaThree Alpha” – QRZ (hams pronounce the letter “Z” like “Zed” because it's so similar to other letters like C, etc.) is a sort of shorthand for “Who is calling me?”.