work at the 21th floor vs work on the 21th floor

The correct phrase is "work on the 21st floor." The preposition 'on' is used to indicate the specific location where someone works, in this case, the 21st floor of a building.

Last updated: March 22, 2024 • 1178 views

work at the 21th floor

This phrase is incorrect. The preposition 'at' is not used to indicate the specific location within a building where someone works.

The correct preposition to use when referring to a specific floor in a building is 'on.'

Show examples from the web [+]

21th floor, Tose'e tower, 15th st, Ahmad Qasir Ave, Tehran - Iran, 15138-35711
Apparently our guy works at a restaurant.
Works at this paintball facility as an instructor.
I work at Berkshire County Council.
Sustainable development calls for commitment and work at grassroots level.
17, pretty, works at the city farm.
My father said you can work at the vineyard with my brothers.
Just everyone who works at Queen Consolidated.
You know, I do some work at Adams Community Center.
I work at the White House, David.
Thing is, Snowden didn't work at the NSA.
That way, Terry could still work at the bar.
Shang used to work at Axelrod Industries - technology officer.
Tailor your set, work at it.
She works at the same architectural firm as her latest victim.
So much work at the Boys Girls Club.
Alicia no longer works at the firm.
I work at Gilbert, Lurie, and Shapiro.
He used to work at a gardening store.
Jane wouldn't be any work at all.

Alternatives:

work on the 21st floor
work on the 21st floor of the building
work on the 21st level
work on the 21st story
work on the 21st storey

work on the 21th floor

This phrase is correct. The preposition 'on' is used to indicate the specific location within a building where someone works.

Use 'on' when referring to a specific floor in a building to indicate the exact location of work.

Examples:

I work on the 21st floor of the office building.
She has her office on the 21st floor.
The meeting is on the 21st floor.
The cafeteria is on the 21st floor.
The executive offices are on the 21st floor.

Alternatives:

work on the 21st floor
work on the 21st floor of the building
work on the 21st level
work on the 21st story
work on the 21st storey

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work at the 21th floor vs work on the 21th floor