Big Horn County Montana is covered by a total of 12 ZIP Codes. There are 2 ZIP Codes in Big Horn County that extend into adjacent counties (Treasure County, and Yellowstone County). Of the ZIP codes within or partially within Big Horn County there are 9 Standard ZIP Codes and 2 PO Box ZIP Codes.
Click on the ZIP Codes in the interactive map to view more information. The map control in the upper right corner can be used to toggle map layers on and off. The red outline is the border of Big Horn County and can be turned on and off. Each type of postal code can also be turned on and off.
| ZIP Code | ZIP Code City/Town | ZIP Code Type | |||
|---|---|---|---|---|---|
| Bighorn | Standard | |||
| Busby | Standard | |||
| Crow Agency | Standard | |||
| Decker | Standard | |||
| Garryowen | Standard | |||
| Hardin | Standard | |||
| Fort Smith | PO Box | |||
| Lodge Grass | Standard | |||
| Pompeys Pillar | Standard | |||
| Pryor | PO Box | |||
| Saint Xavier | Standard | |||
| Wyola | Standard |