ZIP Code 18231

18231 is one of Pennsylvania's ZIP codes, delivering to addresses in Kelayres, Schuylkill County.

City: Kelayres
County: Schuylkill County
State: Pennsylvania
Prefix: 182xx

Where this code sits

18231 is part of the 182xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Kelayres.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 18231 delivers to without sharing its boundary.

ZIP codes nearest 18231

The ZIP codes whose reference points sit closest to 18231.
ZIP code	Distance	Delivers to
ZIP code 18237	0.5 mi	Mcadoo, PA
ZIP code 18254	2.3 mi	Tresckow, PA
ZIP code 18230	3.7 mi	Junedale, PA
ZIP code 18245	3.7 mi	Quakake, PA
ZIP code 18202	4.2 mi	Hazleton, PA
ZIP code 18201	4.2 mi	Hazleton, PA
ZIP code 18216	5.1 mi	Beaver Meadows, PA
ZIP code 18220	5.4 mi	Delano, 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 18231, plotted from its record coordinates.

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

Scope ZIP code 18231. 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.