ZIP Code 81102

ZIP code 81102 is the delivery code the USPS assigns to Alamosa, Colorado. The ZIP lies within Alamosa County. Clocks here follow the America/Denver time zone (UTC-6).

What you can do with ZIP code 81102

• Write a mailing address: Alamosa, CO 81102. The ZIP goes last, after the state abbreviation.
• Check whether a shipping or delivery quote applies to this area — most US carriers price by ZIP code rather than by city.
• Look up the local time zone before scheduling a call — the ZIP tells you which zone applies to that address.
• Compare the ZIP with neighbouring codes to see how population and income shift block by block.