ZIP Code 18628

18628 is one of Pennsylvania's ZIP codes, delivering to addresses in Lopez, Sullivan County.

City: Lopez
County: Sullivan County
State: Pennsylvania
Prefix: 186xx

Where this code sits

18628 is part of the 186xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Lopez.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 18628 delivers to without sharing its boundary.

ZIP codes nearest 18628

The ZIP codes whose reference points sit closest to 18628.
ZIP code	Distance	Delivers to
ZIP code 18632	6.0 mi	Mildred, PA
ZIP code 18614	9.0 mi	Dushore, PA
ZIP code 18626	11 mi	Laporte, PA
ZIP code 18656	12 mi	Sweet Valley, PA
ZIP code 18846	13 mi	Sugar Run, PA
ZIP code 18636	13 mi	Noxen, PA
ZIP code 17814	14 mi	Benton, PA
ZIP code 18618	14 mi	Harveys Lake, 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 18628, plotted from its record coordinates.

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

Scope ZIP code 18628. 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.