ZIP Code 83670

83670 is one of Idaho's ZIP codes, delivering to addresses in Sweet, Gem County.

City: Sweet
County: Gem County
State: Idaho
Prefix: 836xx

Where this code sits

83670 is part of the 836xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Sweet.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 83670 delivers to without sharing its boundary.

ZIP codes nearest 83670

The ZIP codes whose reference points sit closest to 83670.
ZIP code	Distance	Delivers to
ZIP code 83629	8.6 mi	Horseshoe Bend, ID
ZIP code 83617	10 mi	Emmett, ID
ZIP code 83602	12 mi	Banks, ID
ZIP code 83648	15 mi	Mountain Home Afb, ID
ZIP code 83657	17 mi	Ola, ID
ZIP code 83666	17 mi	Placerville, ID
ZIP code 83636	18 mi	Letha, ID
ZIP code 83714	18 mi	Garden City, ID

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 83670, plotted from its record coordinates.

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

Scope ZIP code 83670. 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.