One ShotsSigns CALLING HARLEM by Kevin Walsh February 29, 2012 February 29, 2012 A rusted sign reveals an alphanumeric telephone exchange on St. Nicholas Avenue and West 147th in Harlem. TR can stand for a number of things, but as this handy dandy list shows, here it was TRafalgar. HarlemManhattan 1 comment FacebookTwitterPinterestLinkedinEmail previous post MEASURING MANHATTAN next post CONEY ISLAND TROLLEY POLES 1 comment cyrus forman March 18, 2012 - 9:22 am The physical phone exchange is still standing on the full block between 146 and 147th on Convent avenue. It is an anomaly that is popular with the youth of Harlem for stoopfront gathering because it has no associated homeowner unlike the rest of the sugar hill neighborhood. Reply Leave a Comment Cancel Reply Save my name, email, and website in this browser for the next time I comment. This site uses Akismet to reduce spam. Learn how your comment data is processed.