How do you address enevelope the mayor and his wife?

When addressing an envelope to the mayor and his wife, you should use their full names and titles. For example, write "The Honorable [Mayor's Full Name] and Mrs. [Wife's Full Name]" on the first line. The address should follow on the next line, including the city, state, and ZIP code. If you're sending a formal invitation, ensure to include appropriate salutations and titles.