 Plus, they offer emergency on-call service 24-7, so you'll never be knee-deep in, well, your problems. Visit knucklesandsunplumbing.com to make a work order online or call 870-972-6613. Knuckles & Sun Plumbing, turning your problems from crappy to happy since 1933. Most people out here think that taking care of one another is important. And most people would step up for a neighbor going through a tough time.