Town Chart.

← Look up another ZIP code · All towns in Kentucky

ZIP code 40020

Fairfield, KY · Nelson County

About ZIP code 40020

  • ZIP code 40020 is in Fairfield, Nelson County, Kentucky.
  • About 199 people live in it, which is 161.9 people per square mile.
  • Time zone: Eastern Standard Time.
  • The middle of the ZIP code is at 37.935, -85.388.

A ZIP code is a mail delivery area, not a town border, and one ZIP code can cover parts of several towns. To check a single address, use the US Postal Service lookup.

Fairfield, KY

ZIP code 40020 is the post office name for Fairfield, KY. 194 people live in Fairfield. Typical household income is $90,781.

  • Stronger than most towns on: A place that is growing, Airport access and Cost of living.
  • Weaker than most towns on: Walkability, Diversity & community and Short commute.

See all figures for Fairfield

Other ZIP codes in Fairfield

Nearby ZIP codes

ZIP code list from SimpleMaps US Zips. Population is a US Census Bureau estimate. These are estimates, so check official sources before you decide.