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What does 21C stand for? 

What does 21C mean? This page is about the various possible meanings of the acronym, abbreviation, shorthand or slang term: 21C.

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21C

Sheboygan Coast Guard Station / Weather Observation Station, Sheboygan, Wisconsin USA

Regional » Airport Codes

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21C

21st Century

Miscellaneous

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1 Comment
  • Mo Louchi
    Mo Louchi
    Second in Command
    LikeReply8 years ago

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USSR
A Union of Soviet Socialist Republics
B Union of Soviet Standards Republics
C University of Socialist Students Republics
D Union of Soviet Socialist Russians

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