About 59223 - Fort Peck, Montana
The ZIP code 59223 of Fort Peck falls within Montana, the United States - a mid-sized area by population. It sits within Fort Peck County County.
Around 39,428 people live in the 59223 ZIP code area. That's noticeably above the average for a Montana ZIP code, which sits near 23,095 people.
Median household income is about $41,300 (below the Montana average).
Other ZIP code codes in Montana serve areas such as Poplar, Rosebud, Lakeside.