ZIP Code 99330

99330 is one of Washington's ZIP codes, delivering to addresses in Eltopia, Franklin County.

City: Eltopia
County: Franklin County
State: Washington
Prefix: 993xx

Where this code sits

99330 is part of the 993xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Eltopia.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 99330 delivers to without sharing its boundary.

509 Area code 509

ZIP codes nearest 99330

The ZIP codes whose reference points sit closest to 99330.
ZIP code	Distance	Delivers to
ZIP code 99343	7.3 mi	Mesa, WA
ZIP code 99354	14 mi	Richland, WA
ZIP code 99301	16 mi	Pasco, WA
ZIP code 99302	17 mi	Pasco, WA
ZIP code 99353	17 mi	West Richland, WA
ZIP code 99326	18 mi	Connell, WA
ZIP code 99352	18 mi	Richland, WA
ZIP code 99336	19 mi	Kennewick, WA

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 99330, plotted from its record coordinates.

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

Scope ZIP code 99330. 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.