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What does 21231 stand for? 

What does 21231 mean? This page is about the various possible meanings of the acronym, abbreviation, shorthand or slang term: 21231.

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21231

Baltimore, MD

Regional » ZIP Codes

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What does 21231 mean?

21231
21231 is the US ZIP code of Baltimore - Maryland

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    CMS
    A Central Monitor System
    B Content Management System
    C Central Module Support
    D Center of Medical Services

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