ZIP Code 17728

17728 is one of Pennsylvania's ZIP codes, delivering to addresses in Cogan Station, Lycoming County.

City: Cogan Station
County: Lycoming County
State: Pennsylvania
Prefix: 177xx

Where this code sits

17728 is part of the 177xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Cogan Station.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 17728 delivers to without sharing its boundary.

ZIP codes nearest 17728

The ZIP codes whose reference points sit closest to 17728.
ZIP code	Distance	Delivers to
ZIP code 17705	2.6 mi	Williamsport, PA
ZIP code 17701	6.2 mi	Williamsport, PA
ZIP code 17703	6.2 mi	Williamsport, PA
ZIP code 17744	6.4 mi	Linden, PA
ZIP code 17771	7.4 mi	Trout Run, PA
ZIP code 17702	8.4 mi	Williamsport, PA
ZIP code 17754	9.3 mi	Montoursville, PA
ZIP code 17740	12 mi	Jersey Shore, 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 17728, plotted from its record coordinates.

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

Scope ZIP code 17728. 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.