See Wisconsin/Community for guidance in Wisconsin that may not be universal to all other states and territories.
Wisconsin is part of the Great Lakes Region, that has its own wiki as well: Great Lakes Region Wiki
Our standard Welcome message to new editors can be found here: Welcome On that page (which can be freely modified to be personalized when copying and sending to new editors) you will also find a link to the forum message to gain access to our state GHO (Google Hangouts).
Map of Wisconsin managed areas: Google Map