Spatio-temporal analysis refers to the analytical technique of geographical data based on the spatial and temporal distribution of geographical objects. In business practices, implementation of spatio-temporal analysis has opportunities in providing support for strategic decision making process in resource and asset management, investment planning, customer relationship management, and marketing strategy development. Capturing the opportunities to provide support for company decision making process and strategy development, this research was conducted using spatio-temporal analysis in one of biggest fixed broadband provider in Indonesia which offers Gigabit Passive Optical Network (GPON) configuration. In this study, the analysis was conducted on the overall customer dataset and divided dataset of customers which differed based on type of customer and location environment characteristics by exploring spatially the patterns, temporal trends, and emerging hot spots of customer distribution through fishnet grid and space time cube created from GIS-based dataset of customer order. The results obtained from this study provide an overview of customer area mapping in the form of thematic map.