ZIP Code 83303

83303 is one of Idaho's ZIP codes, delivering to addresses in Twin Falls, Twin Falls County.

City: Twin Falls
County: Twin Falls County
State: Idaho
Prefix: 833xx

Where this code sits

83303 is part of the 833xx range, the group of codes handled by one mail processing centre. Twin Falls is served by 2 ZIP codes in total; the full list, with the county each falls in, is on the Twin Falls page.

Twin Falls Idaho ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 83303 delivers to without sharing its boundary.

ZIP codes nearest 83303

The ZIP codes whose reference points sit closest to 83303.
ZIP code	Distance	Delivers to
ZIP code 83301	0.6 mi	Twin Falls, ID
ZIP code 83341	5.4 mi	Kimberly, ID
ZIP code 83328	7.8 mi	Filer, ID
ZIP code 83334	8.6 mi	Hansen, ID
ZIP code 83338	11 mi	Jerome, ID
ZIP code 83325	11 mi	Eden, ID
ZIP code 83344	16 mi	Murtaugh, ID
ZIP code 83316	17 mi	Buhl, 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 83303, plotted from its record coordinates.

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

Scope ZIP code 83303. 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.