ZIP Code 18818

18818 is one of Pennsylvania's ZIP codes, delivering to addresses in Friendsville, Susquehanna County.

City: Friendsville
County: Susquehanna County
State: Pennsylvania
Prefix: 188xx

Where this code sits

18818 is part of the 188xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Friendsville.

Friendsville Pennsylvania ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 18818 delivers to without sharing its boundary.

ZIP codes nearest 18818

The ZIP codes whose reference points sit closest to 18818.
ZIP code	Distance	Delivers to
ZIP code 18812	5.7 mi	Brackney, PA
ZIP code 18830	6.3 mi	Little Meadows, PA
ZIP code 18851	8.9 mi	Warren Center, PA
ZIP code 18801	9.1 mi	Montrose, PA
ZIP code 18829	9.4 mi	Le Raysville, PA
ZIP code 18843	11 mi	South Montrose, PA
ZIP code 13850	11 mi	Vestal, NY
ZIP code 18828	12 mi	Lawton, 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 18818, plotted from its record coordinates.

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

Scope ZIP code 18818. 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.