411
noun /ˌfɔː wʌn ˈwʌn/
/ˌfɔːr wʌn ˈwʌn/
- [uncountable] the phone number of the service that you use in the US to find out a person’s phone number
- Call 411.
- the 411[singular] (North American English, informal) the true facts about a situation or the information you need
- He'll give us the 411 on what to expect.
- Do you have the 411?
- Anyone got the 411 on when the next shipment will be?