ZIP Code 83623

83623 is one of Idaho's ZIP codes, delivering to addresses in Glenns Ferry, Elmore County.

City: Glenns Ferry
County: Elmore County
State: Idaho
Prefix: 836xx

Where this code sits

83623 is part of the 836xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Glenns Ferry.

Glenns Ferry Idaho ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 83623 delivers to without sharing its boundary.

ZIP codes nearest 83623

The ZIP codes whose reference points sit closest to 83623.
ZIP code	Distance	Delivers to
ZIP code 83633	6.5 mi	King Hill, ID
ZIP code 83627	7.7 mi	Hammett, ID
ZIP code 83314	21 mi	Bliss, ID
ZIP code 83647	23 mi	Mountain Home, ID
ZIP code 83332	24 mi	Hagerman, ID
ZIP code 83337	27 mi	Hill City, ID
ZIP code 83330	31 mi	Gooding, ID
ZIP code 83355	34 mi	Wendell, 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 83623, plotted from its record coordinates.

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

Scope ZIP code 83623. 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.