ZIP Code 16333

16333 is one of Pennsylvania's ZIP codes, delivering to addresses in Ludlow, McKean County.

City: Ludlow
County: McKean County
State: Pennsylvania
Prefix: 163xx

Where this code sits

16333 is part of the 163xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Ludlow.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 16333 delivers to without sharing its boundary.

ZIP codes nearest 16333

The ZIP codes whose reference points sit closest to 16333.
ZIP code	Distance	Delivers to
ZIP code 16347	5.1 mi	Sheffield, PA
ZIP code 16352	5.7 mi	Tiona, PA
ZIP code 16735	8.8 mi	Kane, PA
ZIP code 16734	9.3 mi	James City, PA
ZIP code 16313	12 mi	Clarendon, PA
ZIP code 16366	13 mi	Warren, PA
ZIP code 16367	13 mi	Warren, PA
ZIP code 16365	14 mi	Warren, PA

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 16333, plotted from its record coordinates.

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

Scope ZIP code 16333. 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.