New Spectrum Store opens in Helena Charter Communications and last updated 2021-05-11 19:37:11-04 HELENA â Charter Communications, Inc. announced Tuesday the opening of a new Spectrum Store in Helena at 3215 N. Montana Ave, next to the new Old Navy store The Spectrum store provides options for adding or managing their Spectrum Internet, TV, Mobile or Voice services. âOur Spectrum storeâs team is here to help our local customers who need support in getting and staying connected,â said Pattie Eliason, Senior Vice President, Spectrum Stores & Retail. âOur new store in Helena is a convenient and safe environment to add or manage services, shop for devices and accessories or make payments, while following current local and state health and safety guidelines.â