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What does 421 stand for?

What does 421 mean? This page is about the various possible meanings of the acronym, abbreviation, shorthand or slang term: 421.

Page 1 of our list of (421) abbreviations features a selection of abbreviations relevant to various fields and disciplines, including internet, regional. One abbreviation that you will find on this page is 421, which is commonly used in the internet industry. This list of abbreviations is intended to be a valuable resource for you as you work or study in these fields. Please feel free to refer back to this page whenever you come across an unfamiliar abbreviation, and check back frequently for updates as we continue to expand our collection.

421

Misdirected Request

» Internet » HTTP Error Codes

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421

Slovakia

» Regional » Telephone Country Codes

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