ZIP code of Alamosa (CO) is 81101. Below you can find map of Alamosa, or look up other ZIP codes in Colorado or other US states. If Alamosa's ZIP code is duplicated, and other places have same ZIP code number, you can use our ZIP code searcher by number 81101.
Alamosa have more then one ZIP code. List of all Alamosa's ZIP codes: 81101, 81102.