Canterra Tower

400 Third^[1] (formerly known as Devon Tower from 2011 - 2023, and Canterra Tower from opening until 2011) is a skyscraper in Calgary, Alberta, Canada.

400 Third
400 Third (Formerly Devon Tower, Canterra Tower)
General information
Status	Completed
Type	Office
Location	Calgary, Alberta, Canada
Coordinates	51°03′04.1″N 114°04′14.6″W
Completed	1988
Owner	Oxford Properties
Management	Oxford Properties
Height
Roof	177 m (581 ft)
Technical details
Floor count	45
Design and construction
Architect	WZMH Architects
Main contractor	PCL Construction

Located at 400 3rd Avenue SW, it stands at 177 metres (581 ft) or 45 storeys tall.^[2] The building was completed in 1988 and was designed by WZMH Architects in the postmodern style.^[3] It was built with glass curtain walls on all sides.

The building is owned and managed by global real estate investor, developer and owner Oxford Properties, and major tenants in the building include Norton Rose Fulbright LLP, one of Canada's largest law firms.