AT&T » Member Businesses We are Military Friendly! See the pull down menu “Business Specials” for discounts and other specials. Go back to directory. Add to Address Book. AT&T AT&T Work 615 S Military Ave. Green Bay WI 54303 work Work Phone: 920-499-8100work Website: http://www.springmobile.com NotesShop AT&T for special offers on the latest phones like iPhone 6s and Galaxy S6. Find incredible deals on DIRECTV, U-verse Internet, and Home Phone bundles.