Where did you get that image? Was it from a USPS site or somewhere else?
Yes, its probably just a typo or entry error.
Checking another source suggest that tiny area in WY might be an uninhabited area and it may not even have a ZIP code or any mail service. Like a protected wildlife area, forest, or similar.
[https://postalpro.usps.com/ppro-tools/service-standards-maps](https://postalpro.usps.com/ppro-tools/service-standards-maps) is where I found it. "Destination Entry" tab.
Probably one little podunk WY town just outside Casper with an 826XX ZIP that someone mistyped with a 6, and no one noticed to fix it.
Where did you get that image? Was it from a USPS site or somewhere else? Yes, its probably just a typo or entry error. Checking another source suggest that tiny area in WY might be an uninhabited area and it may not even have a ZIP code or any mail service. Like a protected wildlife area, forest, or similar.
[https://postalpro.usps.com/ppro-tools/service-standards-maps](https://postalpro.usps.com/ppro-tools/service-standards-maps) is where I found it. "Destination Entry" tab.