Big Timber Montana ZIP Codes
Big Timber holds a single ZIP code.
Every ZIP code in Big Timber
| ZIP code | County |
|---|---|
| 59011 | Sweet Grass County |
We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP. USPS delivery-type products are licensed, and no clean-rights source maps ZIP codes to neighbourhoods — so the Big Timber codes above are listed without a column we would have to invent.
Scope every ZIP code recorded for Big Timber. Source GeoNames US postal codes (2026-07 postal dump) and Census 2024 county Gazetteer (2024 Gazetteer). Updated . ZIP codes are delivery-route groupings, not areas; the boundaries implied by any ZIP map are approximations.
How these codes cluster
Every Big Timber ZIP code begins 590. Those first three digits identify the sectional center facility that processes mail for this part of Montana. Statewide that range covers 75 ZIP codes, so Big Timber accounts for 1% of it.
Every Montana ZIP prefix and the region it covers →
Area codes covering Big Timber
ZIP codes and area codes are separate systems — one routes mail, the other routes calls — and they do not share boundaries. The code below serves the same ground Big Timber occupies.
Big Timber Montana area codes in full →
Where Big Timber's ZIP codes sit
- Reference points and footprint
- Not an official NANPA boundary
- Not a USPS delivery area
Cities near Big Timber
| City | Distance | ZIP codes |
|---|---|---|
| Livingston Montana ZIP codes | 32 mi | 1 ZIP code |
| Clyde Park Montana ZIP codes | 32 mi | 1 ZIP code |
| Columbus Montana ZIP codes | 36 mi | 1 ZIP code |
| Harlowton Montana ZIP codes | 42 mi | 1 ZIP code |
| Bridger Montana ZIP codes | 46 mi | 1 ZIP code |
| Ryegate Montana ZIP codes | 46 mi | 1 ZIP code |
| Joliet Montana ZIP codes | 53 mi | 1 ZIP code |
| Bozeman Montana ZIP codes | 54 mi | 6 ZIP codes |
Straight-line distance between place reference points, not driving distance.