Marthasville Missouri ZIP Codes
Marthasville holds a single ZIP code.
Every ZIP code in Marthasville
| ZIP code | County |
|---|---|
| 63357 | Warren 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We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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 Marthasville codes above are listed without a column we would have to invent.
Scope every ZIP code recorded for Marthasville. 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 Marthasville ZIP code begins 633. Those first three digits identify the sectional center facility that processes mail for this part of Missouri. Statewide that range covers 51 ZIP codes, so Marthasville accounts for 2% of it.
Every Missouri ZIP prefix and the region it covers →
Area codes covering Marthasville
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 Marthasville occupies.
Marthasville Missouri area codes in full →
Where Marthasville's ZIP codes sit
- Reference points and footprint
- Not an official NANPA boundary
- Not a USPS delivery area
Cities near Marthasville
| City | Distance | ZIP codes |
|---|---|---|
| Washington Missouri ZIP codes | 5.9 mi | 1 ZIP code |
| New Haven Missouri ZIP codes | 8.8 mi | 1 ZIP code |
| Augusta Missouri ZIP codes | 11 mi | 1 ZIP code |
| New Melle Missouri ZIP codes | 11 mi | 1 ZIP code |
| Truesdale Missouri ZIP codes | 13 mi | 1 ZIP code |
| Warrenton Missouri ZIP codes | 14 mi | 1 ZIP code |
| Union Missouri ZIP codes | 14 mi | 1 ZIP code |
| Foristell Missouri ZIP codes | 14 mi | 1 ZIP code |
Straight-line distance between place reference points, not driving distance.