Locating a specific address within Castle Rock, Colorado, requires more than just the town’s name. Postal codes, assigned by the United States Postal Service, divide the town into manageable sectors for efficient mail delivery and sorting. These numerical codes pinpoint geographic areas within the town, ensuring accurate and timely mail service. For example, a business operating within a particular section of Castle Rock will have a unique code distinct from residences in another area.
These designations play a vital role beyond mail delivery. They are essential for demographic analysis, market research, emergency services dispatch, and various other location-based applications. Understanding these geographic subdivisions provides valuable insights into the town’s structure and facilitates effective communication and service provision. Historically, as towns grow and evolve, new codes may be added to accommodate expanding populations and new developments, reflecting Castle Rocks development over time.