ZIP Code 16680

16680 is one of Pennsylvania's ZIP codes, delivering to addresses in Smithmill, Clearfield County.

City: Smithmill
County: Clearfield County
State: Pennsylvania
Prefix: 166xx

Where this code sits

16680 is part of the 166xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Smithmill.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 16680 delivers to without sharing its boundary.

ZIP codes nearest 16680

The ZIP codes whose reference points sit closest to 16680.
ZIP code	Distance	Delivers to
ZIP code 16616	2.6 mi	Beccaria, PA
ZIP code 16663	3.0 mi	Morann, PA
ZIP code 16671	3.5 mi	Ramey, PA
ZIP code 16644	4.0 mi	Glasgow, PA
ZIP code 16619	4.6 mi	Blandburg, PA
ZIP code 16661	5.5 mi	Madera, PA
ZIP code 16698	5.8 mi	Houtzdale, PA
ZIP code 16651	5.9 mi	Houtzdale, 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 16680, plotted from its record coordinates.

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

Scope ZIP code 16680. 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.