ZIP Code 83121
Frontier, Wyoming
ZIP Code Information
ZIP code 83121 identifies a postal delivery area inside Frontier, Wyoming. The ZIP lies within Lincoln County. Clocks here follow the America/Denver time zone (UTC-6).
About 6 people live in this ZIP code. Figures come from the U.S. Census Bureau American Community Survey and are refreshed as new five-year estimates are released.
What you can do with ZIP code 83121
- Write a mailing address: Frontier, WY 83121. 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.
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Frequently Asked Questions
ZIP code 83121 is located in Frontier, Wyoming.
ZIP code 83121 is in Lincoln county, Wyoming.
ZIP code 83121 is in the America/Denver timezone.