ZIP Code 17720

17720 is one of Pennsylvania's ZIP codes, delivering to addresses in Antes Fort, Lycoming County.

City: Antes Fort
County: Lycoming County
State: Pennsylvania
Prefix: 177xx

Where this code sits

17720 is part of the 177xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Antes Fort.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 17720 delivers to without sharing its boundary.

ZIP codes nearest 17720

The ZIP codes whose reference points sit closest to 17720.
ZIP code	Distance	Delivers to
ZIP code 17740	5.0 mi	Jersey Shore, PA
ZIP code 17721	5.1 mi	Avis, PA
ZIP code 17744	5.4 mi	Linden, PA
ZIP code 17779	8.2 mi	Woolrich, PA
ZIP code 17702	8.5 mi	Williamsport, PA
ZIP code 17748	8.6 mi	Mc Elhattan, PA
ZIP code 17776	11 mi	Waterville, PA
ZIP code 17728	12 mi	Cogan Station, 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 17720, plotted from its record coordinates.

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

Scope ZIP code 17720. 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.