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What does 400 stand for? 

What does 400 mean? This page is about the various possible meanings of the acronym, abbreviation, shorthand or slang term: 400.

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400

Bad Request

Internet » HTTP Error Codes

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400

Not Enough Memory Of This Request

Internet » HTTP Error Codes

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400

Service Access Code

Regional » US Phone Area Codes

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What does 400 mean?

four hundred, 400, cd(adj)
being one hundred more than three hundred

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    NASA
    A National Aeronautics and Service Administration
    B Navy And Space Administration
    C National Aeronautics and Space Administration
    D National Administration of South America

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