Mark Davis ⌛ wrote:
I had first presumed that SF is not included because it was withdrawn before RFC1766. But SF is not even listed in http://en.wikipedia.org/wiki/ISO_3166-3 as a retired code.
"SF" was previously used as a country code for Finland in some contexts, like car plates and postal addresses. I would expect such usage to be so old and dated that it can be ignored. In particular, in postal addresses, it was replaced in 1993 by "FIN" (which in turn was replaced by "FI" in 2004). The Internet domain for Finland has been ".fi" from the beginning.
("SF" was formed from "Suomi Finland", i.e. from the name of the country in its two official languages, Finnish and Swedish. We often thought that others thought that it actually came from "Soviet Finland"; I'm half serious in suggesting that this was one of the reasons for moving to "FIN" or "FI".)
--Yucca, http://www.cs.tut.fi/~jkorpela/
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