The Area Codes of Mexico: City/Town or RegionArea code 1.Tampico, Tamaulipas833 (+52 833) 2.Tampico, Tamaulipas833 (+52 833) 3.Tijuana, Baja California664 (+52 664) 4.Toluca722 (+52 722) 5.Torreón, Coahuila871 (+52 871) 6.Tuxtla Gutiérrez, Chiapas961 (+52 961)