AT&T AT&T said in a statement AT&T AT&T to Acquire Centennial Communications, Enhance Service … AT&T to Acquire Centennial Communications, Enhance Service … AT&T AT&T to Acquire Centennial Communications, Enhance Service … AT&T to Acquire Centennial Communications, Enhance Service … AT&T announced Friday AT&T to Acquire Centennial Communications, Enhance Service … AT&T AT&T AT&T AT&T to Acquire Centennial Communications, Enhance Service …