Costilla County ZIP Codes
Colorado, United States · 5 codes
Costilla County in Colorado has 5 ZIP codes, from 81123 to 81152, serving 5 places.
ZIP codes in Costilla
Frequently asked questions
What is the ZIP code of Costilla?
Costilla has 5 ZIP codes, from 81123 to 81152. The table lists the places each one serves.
How many places are listed in Costilla County?
5 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.