Below is a list of Alamosa County CO zip codes. For your research we have also included Alamosa County Area Code, Time Zone, UTC and the local County FIPS Code. Each Alamosa County Colorado zip code has a center Longitude / Latitude point (the Alamosa County center is -105.83300018311 / 37.584300994873). For your convenience we have also indicated if that zip code in Alamosa County observes Daylight Savings time.