Access Your Email Right Here. Available anyplace that you have access to a connected web-browser. BlackHills.com 511 W Jackson Blvd. Spearfish, SD 57783 Phone: 605-642-8166 Fax: 605-642-1771 info@blackhills.net *Name: Business: Address: City: State: Zip: Phone: *E-mail: How should we contact you?: Phone Mail E-Mail Other Comments or Questions?            * = Denotes required Field BlackHills.com 511 W Jackson Blvd. Spearfish, SD 57783 info@blackhills.net Phone: (605) 642-8166