América Móvil's mailing address is LAGO ZURICH 245 COLONIA GRANADA AMPLIACION, Mexico City O5, 11529. The official website for the company is www.americamovil.com. The Wireless communications provider can be reached via phone at 525525813700, via email at investor.relations@americamovil.com, or via fax at 52-55-2581-4422.