ZIP Code 42133

42133 is one of Kentucky's ZIP codes, delivering to addresses in Fountain Run, Monroe County.

City: Fountain Run
County: Monroe County
State: Kentucky
Prefix: 421xx

Where this code sits

42133 is part of the 421xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Fountain Run.

Fountain Run Kentucky ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 42133 delivers to without sharing its boundary.

ZIP codes nearest 42133

The ZIP codes whose reference points sit closest to 42133.
ZIP code	Distance	Delivers to
ZIP code 42153	6.5 mi	Holland, KY
ZIP code 42123	6.6 mi	Austin, KY
ZIP code 42131	6.7 mi	Etoile, KY
ZIP code 42157	8.2 mi	Mount Hermon, KY
ZIP code 42140	8.9 mi	Gamaliel, KY
ZIP code 42156	11 mi	Lucas, KY
ZIP code 37083	13 mi	Lafayette, TN
ZIP code 42164	14 mi	Scottsville, 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 42133, plotted from its record coordinates.

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

Scope ZIP code 42133. 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.