ZIP Code 83858

83858 is one of Idaho's ZIP codes, delivering to addresses in Rathdrum, Kootenai County.

City: Rathdrum
County: Kootenai County
State: Idaho
Prefix: 838xx

Where this code sits

83858 is part of the 838xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Rathdrum.

Rathdrum Idaho ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 83858 delivers to without sharing its boundary.

ZIP codes nearest 83858

The ZIP codes whose reference points sit closest to 83858.
ZIP code	Distance	Delivers to
ZIP code 83835	6.9 mi	Hayden, ID
ZIP code 83854	7.5 mi	Post Falls, ID
ZIP code 83877	7.9 mi	Post Falls, ID
ZIP code 83815	8.2 mi	Coeur d'Alene, ID
ZIP code 83869	9.8 mi	Spirit Lake, ID
ZIP code 83801	10 mi	Athol, ID
ZIP code 83814	10 mi	Coeur d'Alene, ID
ZIP code 99025	11 mi	Newman Lake, 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 83858, plotted from its record coordinates.

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

Scope ZIP code 83858. 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.