To write to Sister Madsen in the MTC:
Sister Mckenzie Madsen
MTC Mailbox #134
2005 North 900 East
Provo, UT 84604
To write to Sister Madsen in the field (mission home address--can be used her entire mission):
Sister *Mckenzie Madsen
California San Diego Mission
7404 Armstrong Place
San Diego, CA 92111
*Please be sure to write her first name when addressing letters/packages.
She will love and appreciate your letters and packages!! :) Thank you for all your support!