ZIP Code 17030

17030 is one of Pennsylvania's ZIP codes, delivering to addresses in Gratz, Dauphin County.

City: Gratz
County: Dauphin County
State: Pennsylvania
Prefix: 170xx

Where this code sits

17030 is part of the 170xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Gratz.

Gratz Pennsylvania ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 17030 delivers to without sharing its boundary.

ZIP codes nearest 17030

The ZIP codes whose reference points sit closest to 17030.
ZIP code	Distance	Delivers to
ZIP code 17048	2.0 mi	Lykens, PA
ZIP code 17097	3.4 mi	Wiconisco, PA
ZIP code 17005	3.9 mi	Berrysburg, PA
ZIP code 17080	4.0 mi	Pillow, PA
ZIP code 17941	6.1 mi	Klingerstown, PA
ZIP code 17978	6.2 mi	Spring Glen, PA
ZIP code 17023	6.3 mi	Elizabethville, PA
ZIP code 17098	6.3 mi	Williamstown, 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 17030, plotted from its record coordinates.

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

Scope ZIP code 17030. 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.