Important Notice: Our web hosting provider recently started charging us for additional visits, which was unexpected. In response, we're seeking donations. Depending on the situation, we may explore different monetization options for our Community and Expert Contributors. It's crucial to provide more returns for their expertise and offer more Expert Validated Answers or AI Validated Answers. Learn more about our hosting issue here.
Suffix registration numbers contain a year identifier at the end of a registration which is proceeded by three letters and up to three numbers. An example of a suffix registration number is HCW 1T, where the T is the year identifier. Suffix registrations were issued before the introduction of the prefix range.
