Aspen, Colorado, is served primarily by the 81611 postal code. This numerical designation allows for efficient mail sorting and delivery to residents and businesses within the city limits. Additionally, the 81612 code covers some areas associated with Aspen, such as Aspen Highlands. Using the correct code ensures accurate and timely mail delivery.
Accurate postal codes are essential for a functioning postal system. Beyond mail delivery, they play a role in demographic analysis, market research, and emergency services dispatch. Historically, the implementation of the Zone Improvement Plan (ZIP) code system in 1963 significantly improved the speed and efficiency of mail delivery across the United States, including in remote mountain towns like Aspen. This system continues to be vital for commerce, communication, and community development.