You’re automatically put into your Street Group based on the address you used upon signing up for your Howl account.
To learn how to change it click here (profile management page). Your Street Group consists of any Howl user that lives on the same street as you and within the same zip code.
Posts in your Street Group will send a push notification to everyone within the group.
Posts to your Street Group can have a location, if they do, they will be visible on the map only for those who are a part of the group. It will also show in your group feed whether it has a location or it does not.