427 South LaSalle Street, Illinois
427 South LaSalle Street is a former Western Union building downtown, next to the Board of Trade. It is now one of the principal internet exchange points in Chicago, and operated by the CoreSite Company.
427 South LaSalle Street is a former Western Union building downtown, next to the Board of Trade. It is now one of the principal internet exchange points in Chicago, and operated by the CoreSite Company.