These openings come on top. 9 juin 2023 · Crumbl stores already open in Massachusetts are in Attleboro, Boston, Hanover, Medford, Methuen, Millbury, Plymouth, Saugus and Woburn, according to the chain’s website. The Millbury store — currently the only up-and-running location in Worcester County — opened in late May of 2022 at the Shoppes at Blackstone Valley.