ZIP Code 16321

16321 is one of Pennsylvania's ZIP codes, delivering to addresses in East Hickory, Forest County.

City: East Hickory
County: Forest County
State: Pennsylvania
Prefix: 163xx

Where this code sits

16321 is part of the 163xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to East Hickory.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 16321 delivers to without sharing its boundary.

ZIP codes nearest 16321

The ZIP codes whose reference points sit closest to 16321.
ZIP code	Distance	Delivers to
ZIP code 16322	0.9 mi	Endeavor, PA
ZIP code 16370	1.1 mi	West Hickory, PA
ZIP code 16353	5.3 mi	Tionesta, PA
ZIP code 16351	8.3 mi	Tidioute, PA
ZIP code 16341	8.6 mi	Pleasantville, PA
ZIP code 16420	11 mi	Grand Valley, PA
ZIP code 16332	14 mi	Lickingville, PA
ZIP code 16361	14 mi	Tylersburg, 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 16321, plotted from its record coordinates.

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

Scope ZIP code 16321. 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.