ZIP Code 82646

82646 is one of Wyoming's ZIP codes, delivering to addresses in Natrona, Natrona County.

City: Natrona
County: Natrona County
State: Wyoming
Prefix: 826xx

Where this code sits

82646 is part of the 826xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Natrona.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 82646 delivers to without sharing its boundary.

307 Area code 307

ZIP codes nearest 82646

The ZIP codes whose reference points sit closest to 82646.
ZIP code	Distance	Delivers to
ZIP code 82648	9.0 mi	Powder River, WY
ZIP code 82602	25 mi	Casper, WY
ZIP code 82630	25 mi	Arminto, WY
ZIP code 82604	26 mi	Casper, WY
ZIP code 82644	26 mi	Mills, WY
ZIP code 82605	28 mi	Casper, WY
ZIP code 82638	28 mi	Hiland, WY
ZIP code 82601	28 mi	Casper, WY

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 82646, plotted from its record coordinates.

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

Scope ZIP code 82646. 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.