The ZIP in ZIP code stands for Zone Improvement Plan
The 43017 ZIP code has homes, schools, businesses in the City of Dublin, the City of Columbus and at least Concord, Perry and Jerome Townships. Maybe other townships... can you think of others? The Dublin 43017 ZIP code is in Franklin and Delaware Counties.
Within the 43017 ZIP code there are diverse neighborhoods such as:
Indian Run Estates
and man, many more... and rural properties.
What's the story on the area covered by this mail route though?
From Zip Skinny here's a graphic that shows age, education, marital status, occupation and income. The info comes from US census data.
If you click on the graphic you can visit the Zip Skinny website and check other Central Ohio ZIP codes too.