Jefferson Chamber of Commerce AT&T - Louisiana Share: TelecommunicationsCommunications AT&T - Louisiana Visit Website 840 Poydras St., Rm. 1414 New Orleans, LA 70112 (504) 756-5980 1-800-288-2020 (504) 528-9427 (fax) Map What's Nearby? Distance: 5 10 15 20 25 50 mi.