Contact Us Mat-Su Services for Children & Adults, Inc. If you would like to learn more about our services or become a part of the MSSCA community, please do not hesitate to contact us. 1225 W. Spruce Ave.Wasilla, Alaska 99654Office Hours: Mon-Fri, 8AM to 4PMPhone: 907-352-1200Fax: 907-352-1249 Send inquiry: "*" indicates required fields LinkedInThis field is for validation purposes and should be left unchanged.Name* First Last Email* Subject*Message*