If you have any questions regarding the LUCA program, please contact the Tribal/Local Geographic Partnerships Branch by mail:
US Census Bureau
4600 Silver Hill Road
Washington, DC 20233-7400
You may also contact us if you are developing a software application to either participate in, or support, Geographic Partnership Programs and would like to request test data (spatial and address). The MAF/TIGER Partnership Software page has more information on the technical capabilities and formats.