AT&T Louisiana Share: Telecommunications AT&T Louisiana Visit Website 365 Canal St., Ste. 3010 New Orleans, LA 70130 (504) 756-5980 (504) 528-2211 (fax) About Map About AT&T is one of world's largest communications companies. Operating globally under the AT&T brand, we are:Proud to offer one of the world's most advanced and powerful global backbone networks. What's Nearby? Distance: 5 10 15 20 25 50 mi.