In which county is ZIP code 42728 located?

ZIP 42728 is listed under Adair, KY.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 42728: Columbia, KY

ZIP: 42728

County: Adair

Coordinates: 37.11610, -85.26560

ZIP Type: Standard

Time Zone: Central Time (CT)

Get a reliable snapshot of the Columbia, KY postal area 42728. This page summarizes county, coordinates, and local facts to help with services and location research.

Primary City	Columbia
ZIP Code	42728
County	Adair
State	KY
Latitude / Longitude	37.11610, -85.26560
ZIP Type	Standard
Time Zone	Central Time (CT)
Data Updated	2026-01-08

Maps & Useful Links

Open in Maps: Google Maps · OpenStreetMap

These links show the approximate center point for ZIP 42728 (not an exact boundary).

Geographic & Administrative Context

Coordinates for 42728 are listed as 37.11610 / -85.26560, useful for GPS and service checks in and around Columbia, KY.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 42728 for mail delivery and general location reference in Adair, KY.

Coverage may include nearby neighborhoods and adjacent unincorporated areas commonly associated with Columbia.

Related ZIP Codes (Nearby)

Explore other postal codes near Columbia within KY.

Frequently Asked Questions

What is the primary city for ZIP code 42728?

The primary city for this ZIP code is Columbia, located in KY.

In which county is 42728 located?

ZIP code 42728 is situated within Adair, KY.

What are the coordinates for 42728?

The approximate center point is 37.11610 (Latitude) and -85.26560 (Longitude).

Is ZIP code 42728 active?

This page lists ZIP 42728 as Listed based on the latest refresh date shown above.

Does ZIP 42728 cover multiple areas?

Yes. Many ZIP codes cover multiple neighborhoods or nearby areas. For exact boundaries, use official mapping tools.

Methodology & Data Notes

How we build this page: We generate this page from a structured ZIP dataset and refresh key fields (city, county, and coordinates) during scheduled updates. Coordinates represent an approximate center point, not an official boundary map.
Sources: Public ZIP reference datasets and geographic coordinate references. If you use specific sources (e.g., USPS, Census), list them on your About/Methodology page.

Page updated: 2026-01-08