80085 is not a valid US zip code.
In the episode The Simpsons: Moe Letter Blues (2010), Moe states that he moved to Springfield because the Zip Code spells the word "B00BS". The US Postal Service website reports that there is no Zip Code 80085.
However, the reverse (58008) which would spell "B00BS" if turned upside down, happens to be the Zip Code of the tiny town of Barney, North Dakota. If the Zip code 80085 did exist, it would be located somewhere in the state of Colorado. All the actual Zip codes from 80001 through 80049 are in Colorado with Zips 80050-80099 are not in use.
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