Grain Valley Missouri ZIP Codes
Grain Valley holds a single ZIP code.
Every ZIP code in Grain Valley
| ZIP code | County |
|---|---|
| 64029 | Jackson 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We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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 Grain Valley codes above are listed without a column we would have to invent.
Scope every ZIP code recorded for Grain Valley. 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 Grain Valley ZIP code begins 640. Those first three digits identify the sectional center facility that processes mail for this part of Missouri. Statewide that range covers 68 ZIP codes, so Grain Valley accounts for 1% of it.
Every Missouri ZIP prefix and the region it covers →
Area codes covering Grain Valley
ZIP codes and area codes are separate systems — one routes mail, the other routes calls — and they do not share boundaries. The codes below serve the same ground Grain Valley occupies.
Grain Valley Missouri area codes in full →
Where Grain Valley's ZIP codes sit
- Reference points and footprint
- Not an official NANPA boundary
- Not a USPS delivery area
Cities near Grain Valley
| City | Distance | ZIP codes |
|---|---|---|
| Blue Springs Missouri ZIP codes | 2.8 mi | 3 ZIP codes |
| Oak Grove Missouri ZIP codes | 4.8 mi | 1 ZIP code |
| Buckner Missouri ZIP codes | 8.2 mi | 1 ZIP code |
| Bates City Missouri ZIP codes | 8.2 mi | 1 ZIP code |
| Independence Missouri ZIP codes | 8.8 mi | 9 ZIP codes |
| Levasy Missouri ZIP codes | 9.6 mi | 1 ZIP code |
| Lone Jack Missouri ZIP codes | 10 mi | 1 ZIP code |
| Napoleon Missouri ZIP codes | 10 mi | 1 ZIP code |
Straight-line distance between place reference points, not driving distance.