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The term 73 was created in 1879 by Water P. Phillips along with hundreds of other shorthand codes to help those that were telegraph operators.

These codes were shorthand for commonly used words to help decrease the number of characters that were required for sending a telegraph message.


So, let’s take a quick look at what 73 actually stands for. If you did already, sorry for the repeat but…


73 stands for “Best Regards”


So the answer to “which is the correct way, 73 or 73s?” question?

The correct way is 73. 

As you can see the word Regards is already a plural form, so by adding the “s” after 73, it makes it a double plural, “Regardses”.

:whistle::LOL: