Introduction Geocoding Methods, Materials, and First Steps toward a Geocoding Error Budget M.P. Armstrong and C. Tiwari Using ZIP codes as Geocodes in Cancer Research K.M.M. Beyer, A.F. Schultz, and Z. Chen Producing Spatially Continuous Prostate Cancer Maps with Different Geocodes and Spatial Filter Methods G. Rushton, Q. Cai, and Z. Chen The Science and Art of Geocoding: Tips for Improving Match Rates and Handling Unmatched Cases in Analysis F. Boscoe Geocoding Practices in Cancer Registries T. Abe and D. Stinchcomb Alternative Techniques for Masking Geographic Detail to Protect Privacy D.L. Zimmerman, M.P. Armstrong, and Gerard Rushton Preserving Privacy: Deidentifying Data by Applying a Random Perturbation Spatial Mask Z. Chen, G. Rushton, and G. Smith Spatial Statistical Analysis of Point- and Area-Reference Public Health Data L.A. Waller Statistical methods for Incompletely and Incorrectly Geocoded Cancer Data D. L. Zimmerman Using Geocodes to estimate Distances and geographic Accessibility for Cancer Prevention and Control M. Armstrong, B. Greene, and G. Rushton Cancer Registry Data and Geocoding: Privacy, Confidentiality, and Security Issues J. Gittler Conclusions Appendix: Cancer Reporting and Registry Statutes and Regulations J. Gittler