ZIP Code 83323

83323 is one of Idaho's ZIP codes, delivering to addresses in Declo, Cassia County.

City: Declo
County: Cassia County
State: Idaho
Prefix: 833xx

Where this code sits

83323 is part of the 833xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Declo.

Declo Idaho ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 83323 delivers to without sharing its boundary.

ZIP codes nearest 83323

The ZIP codes whose reference points sit closest to 83323.
ZIP code	Distance	Delivers to
ZIP code 83311	11 mi	Albion, ID
ZIP code 83350	16 mi	Rupert, ID
ZIP code 83336	17 mi	Heyburn, ID
ZIP code 83342	17 mi	Malta, ID
ZIP code 83343	18 mi	Minidoka, ID
ZIP code 83318	18 mi	Burley, ID
ZIP code 83347	20 mi	Paul, ID
ZIP code 83211	26 mi	American Falls, 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 83323, plotted from its record coordinates.

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

Scope ZIP code 83323. 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.