ZIP Code 18624

18624 is one of Pennsylvania's ZIP codes, delivering to addresses in Lake Harmony, Carbon County.

City: Lake Harmony
County: Carbon County
State: Pennsylvania
Prefix: 186xx

Where this code sits

18624 is part of the 186xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Lake Harmony.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 18624 delivers to without sharing its boundary.

ZIP codes nearest 18624

The ZIP codes whose reference points sit closest to 18624.
ZIP code	Distance	Delivers to
ZIP code 18610	5.2 mi	Blakeslee, PA
ZIP code 18347	6.0 mi	Pocono Lake, PA
ZIP code 18210	6.0 mi	Albrightsville, PA
ZIP code 18661	7.4 mi	White Haven, PA
ZIP code 18350	8.9 mi	Pocono Pines, PA
ZIP code 18334	9.7 mi	Long Pond, PA
ZIP code 18602	11 mi	Bear Creek, PA
ZIP code 18330	11 mi	Effort, 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 18624, plotted from its record coordinates.

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

Scope ZIP code 18624. 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.