Post office · Yellowstone County, MT

Custer Post Office

413 2ND AVENUE

Yellowstone County, MT 59024

Address

413 2nd Avenue, Custer, MT 59024

Opening hours

Hours may differ on public holidays.

Website

tools.usps.com/locations/details/1360085

Coordinates

46.129352, -107.554790

This listing is based on OpenStreetMap data (updated 2026-10-06). Something wrong? Fix it on OpenStreetMap or let us know.

Frequently asked questions

Where is Custer Post Office?

Custer Post Office is located at 413 2nd Avenue, Custer, MT 59024. Use “Get directions” to start a route from where you are.

What are the opening hours of Custer Post Office?

Recorded opening hours: Monday – Friday 7:30 AM–12 PM, 1 PM–2:30 PM; Saturday 7:30 AM–9:15 AM; Sunday Closed. Hours may differ on holidays.