Tarkio Missouri ZIP Codes
Tarkio holds a single ZIP code.
Every ZIP code in Tarkio
| ZIP code | County |
|---|---|
| 64491 | Atchison 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We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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 Tarkio codes above are listed without a column we would have to invent.
Scope every ZIP code recorded for Tarkio. 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 Tarkio ZIP code begins 644. Those first three digits identify the sectional center facility that processes mail for this part of Missouri. Statewide that range covers 70 ZIP codes, so Tarkio accounts for 1% of it.
Every Missouri ZIP prefix and the region it covers →
Area codes covering Tarkio
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 Tarkio occupies.
Tarkio Missouri area codes in full →
Where Tarkio's ZIP codes sit
- Reference points and footprint
- Not an official NANPA boundary
- Not a USPS delivery area
Cities near Tarkio
| City | Distance | ZIP codes |
|---|---|---|
| Westboro Missouri ZIP codes | 7.2 mi | 1 ZIP code |
| Fairfax Missouri ZIP codes | 7.2 mi | 1 ZIP code |
| Rock Port Missouri ZIP codes | 8.2 mi | 1 ZIP code |
| Watson Missouri ZIP codes | 13 mi | 1 ZIP code |
| Elmo Missouri ZIP codes | 15 mi | 1 ZIP code |
| Burlington Junction Missouri ZIP codes | 17 mi | 1 ZIP code |
| Craig Missouri ZIP codes | 17 mi | 1 ZIP code |
| Clearmont Missouri ZIP codes | 19 mi | 1 ZIP code |
Straight-line distance between place reference points, not driving distance.