1985, in the meaning defined above
from the telephone number 411 used to reach directory assistance
Time Traveler for 411
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From the Editors at Merriam-Webster
The 411 on Words Meaning "Information"
Get the inside scoop on spilling the beans.
Cite this Entry
“411.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/411. Accessed 17 Aug. 2022.
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