ZIP Code 16820

16820 is one of Pennsylvania's ZIP codes, delivering to addresses in Aaronsburg, Centre County.

City: Aaronsburg
County: Centre County
State: Pennsylvania
Prefix: 168xx

Where this code sits

16820 is part of the 168xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Aaronsburg.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 16820 delivers to without sharing its boundary.

ZIP codes nearest 16820

The ZIP codes whose reference points sit closest to 16820.
ZIP code	Distance	Delivers to
ZIP code 16854	1.0 mi	Millheim, PA
ZIP code 16852	3.1 mi	Madisonburg, PA
ZIP code 16832	4.2 mi	Coburn, PA
ZIP code 16872	4.7 mi	Rebersburg, PA
ZIP code 16882	5.7 mi	Woodward, PA
ZIP code 16875	6.8 mi	Spring Mills, PA
ZIP code 17885	8.9 mi	Weikert, PA
ZIP code 16848	9.0 mi	Lamar, 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 16820, plotted from its record coordinates.

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

Scope ZIP code 16820. 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.