All current locations with LOCAL SERVICES (phone system, long distance, and/or voice mail) available to State of Wisconsin agencies and authorized governmental agencies are listed on the LOCATIONS page.
If feature (telephone) information is available there will be a link to a pdf document by clicking on the location. Voice mail services if available will have links to setup instructions as well. Locations (by city) A - Z
General phone instructions
Local vs ECC - when you don't know what prefix is a local call vs ECC this link will give you a list of local and ECC prefixes to your telephone prefix.