This study aims to evaluate the logistics service quality provided by KPN Courier Service in Trichy, focusing on key performance dimensions such as timeliness, reliability, responsiveness, assurance, and customer satisfaction. In today’s highly competitive logistics and courier industry, the ability to deliver packages accurately, on time, and with reliable customer support is essential for sustaining client trust and loyalty. The study is driven by the increasing demand for professional courier services in both urban and semi- urban areas, where businesses and individuals rely on efficient logistics to ensure smooth commercial and personal operations. Using a structured questionnaire distributed among customers of KPN Courier Service in Trichy, the research gathers data on consumer perceptions and experiences related to service quality. Findings from the study are expected to offer valuable insights into how effectively KPN Courier Service meets customer expectations and where potential enhancements can be made to strengthen its competitive position. Through both quantitative and qualitative analysis, the research identifies key service deficiencies— such as delayed deliveries, communication breakdowns, or lack of tracking transparency—and suggests targeted strategies for operational refinement. The study concludes that regular monitoring of customer feedback, employee training in customer service practices, and investments in digital tracking systems are vital to elevating the standard of logistics services. This research not only contributes to academic understanding of service quality in logistics but also serves as a practical guide for courier companies seeking to improve their performance in regional markets like Trichy..