Emma has sent the correct address for the Mexico MTC. To send mail to her use this address until September 9, 2013.
Hermana Emma Rose Phipps
Carr. Tenayuca - Chalmita No. 828,
Col. Zona Escolar, Deleg. G. A. Madero,
C. P. 07230, Mexico, D. F.
Here is Emma with her DISTRICT and notice the "B" on the mountain!!