In amateur radio circles you often come across references to CQ Zone numbers and ITU Zone numbers. Every point on the globe has one of each. Either or both types of zone number are frequently seen on the QSL cards that hams use to confirm contacts. When amateurs have cards printed, many of them like to include a reference to their CQ and ITU zones.

Worldwide telecommunications, including frequencies for amateur use, are governed by treaties and agreements administered by the International Telecommunication Union (ITU), an agency of the United Nations. The ITU has established 90 world telecommunication zones. ITU Zone Map

The world is also divided into 40 amateur radio zones that have been created by CQ Magazine. The CQ Worked All Zones Award (WAZ) is offered by the magazine's publishers to any amateur for proven two way communication with amateurs in each of the 40 CQ Zones. Below is a summary of my zone contacts made with QRP.