ZIP Code 18427

18427 is one of Pennsylvania's ZIP codes, delivering to addresses in Hamlin, Wayne County.

City: Hamlin
County: Wayne County
State: Pennsylvania
Prefix: 184xx

Where this code sits

18427 is part of the 184xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Hamlin.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 18427 delivers to without sharing its boundary.

ZIP codes nearest 18427

The ZIP codes whose reference points sit closest to 18427.
ZIP code	Distance	Delivers to
ZIP code 18436	2.7 mi	Lake Ariel, PA
ZIP code 18463	4.5 mi	Sterling, PA
ZIP code 18416	7.6 mi	Elmhurst, PA
ZIP code 18444	7.7 mi	Moscow, PA
ZIP code 18438	7.7 mi	Lakeville, PA
ZIP code 18445	7.8 mi	Newfoundland, PA
ZIP code 18426	8.2 mi	Greentown, PA
ZIP code 18403	8.7 mi	Archbald, 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 18427, plotted from its record coordinates.

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

Scope ZIP code 18427. 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.