ZIP Code 83237

83237 is one of Idaho's ZIP codes, delivering to addresses in Franklin, Franklin County.

City: Franklin
County: Franklin County
State: Idaho
Prefix: 832xx

Where this code sits

83237 is part of the 832xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Franklin.

Franklin Idaho ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 83237 delivers to without sharing its boundary.

ZIP codes nearest 83237

The ZIP codes whose reference points sit closest to 83237.
ZIP code	Distance	Delivers to
ZIP code 84320	6.1 mi	Lewiston, UT
ZIP code 83263	6.7 mi	Preston, ID
ZIP code 84333	7.0 mi	Richmond, UT
ZIP code 83286	9.5 mi	Weston, ID
ZIP code 84338	11 mi	Trenton, UT
ZIP code 84308	11 mi	Cornish, UT
ZIP code 83232	12 mi	Dayton, ID
ZIP code 84335	14 mi	Smithfield, UT

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 83237, plotted from its record coordinates.

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

Scope ZIP code 83237. 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.