Petroleum County ZIP codes

Every ZIP code in Petroleum County, Montana, with the city it serves. Open any one for a free neighborhood report.

2 ZIP codes · Petroleum County, MT · FIPS 30069

ZIP codes

2 in this county

1 of these ZIP codes route mail only. A PO-box or single-recipient ZIP has no residential area behind it, so neighborhood statistics can't be computed for it — those pages say so instead of showing numbers.