ZIP Code 40440

40440 is one of Kentucky's ZIP codes, delivering to addresses in Junction City, Boyle County.

City: Junction City
County: Boyle County
State: Kentucky
Prefix: 404xx

Where this code sits

40440 is part of the 404xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Junction City.

Junction City Kentucky ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 40440 delivers to without sharing its boundary.

859 Area code 859

ZIP codes nearest 40440

The ZIP codes whose reference points sit closest to 40440.
ZIP code	Distance	Delivers to
ZIP code 40423	4.7 mi	Danville, KY
ZIP code 40422	4.7 mi	Danville, KY
ZIP code 40464	6.9 mi	Parksville, KY
ZIP code 40484	7.3 mi	Stanford, KY
ZIP code 40452	8.1 mi	Mitchellsburg, KY
ZIP code 40437	8.9 mi	Hustonville, KY
ZIP code 40468	9.7 mi	Perryville, KY
ZIP code 40448	11 mi	Mc Kinney, KY

Straight-line distance between place reference points, not driving distance. Where a place has no Census Gazetteer point, its postal centroid is used instead.

Each point is the reference point for 40440, plotted from its record coordinates.

Reference points and footprint
Not an official NANPA boundary
Not a USPS delivery area

Scope ZIP code 40440. Source GeoNames US postal codes (2026-07 postal dump) and Census 2024 county Gazetteer (2024 Gazetteer). Updated 15 July 2026. A ZIP code is a set of delivery routes, not an area; the point shown is a record coordinate, not a centre.