Alamosa County ZIP Codes
Colorado, United States · 4 codes
Alamosa County in Colorado has 4 ZIP codes, from 81101 to 81146, serving 4 places.
ZIP codes in Alamosa
Frequently asked questions
What is the ZIP code of Alamosa?
Alamosa has 4 ZIP codes, from 81101 to 81146. The table lists the places each one serves.
How many places are listed in Alamosa County?
4 places.
Source: GeoNames postal codes (CC BY 4.0), geonames.org, retrieved 2026-10-22. Place coordinates are approximate. Check with the national postal service before sending anything valuable.