structure #202036304building

AT&T Switching Center

existing 44.5 m 8 floors 1964

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Location of AT&T Switching Center

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Building Mass Height	44.5 m
Architectural Height	44.5 m
Main Roof Height	44.5 m
Floors	8
Completion	1964
Structural Form	low-rise building
Main Usage	phone switching center
Status	existing
Architectural Style	early modern
Address	509 North Dearborn Street
Smart Address	509 North Dearborn Street
City	Chicago
Country	United States

Source: SKYDB | As of: 2026-09-16

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0.5 of 5 1 vote 1.3 pts

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- File #245437337 file
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Photo 245-437-337

Daniel Kieckhefer

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