ZIP Code 59270

59270 is one of Montana's ZIP codes, delivering to addresses in Sidney, Richland County.

City: Sidney
County: Richland County
State: Montana
Prefix: 592xx

Where this code sits

59270 is part of the 592xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Sidney.

Sidney Montana ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 59270 delivers to without sharing its boundary.

406 Area code 406

ZIP codes nearest 59270

The ZIP codes whose reference points sit closest to 59270.
ZIP code	Distance	Delivers to
ZIP code 59217	11 mi	Crane, MT
ZIP code 58838	12 mi	Cartwright, ND
ZIP code 59221	13 mi	Fairview, MT
ZIP code 59262	15 mi	Savage, MT
ZIP code 59243	20 mi	Lambert, MT
ZIP code 58831	24 mi	Alexander, ND
ZIP code 58853	29 mi	Trenton, ND
ZIP code 59212	31 mi	Bainville, MT

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 59270, plotted from its record coordinates.

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

Scope ZIP code 59270. 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.