Below is a list of Alamosa CO zip codes. For your research we have also included Alamosa Area Code, Time Zone, UTC and the local Alamosa County FIPS Code. Each Alamosa Colorado zip code has a center Longitude / Latitude point (the Alamosa center is -105.866 / 37.4745). For your convenience we have also indicated if that zip code in Alamosa observes Daylight Savings time. For more information on Alamosa Colorado you will find helpful business links and searches.