Arcadia Missouri ZIP Codes
Arcadia holds a single ZIP code.
Every ZIP code in Arcadia
| ZIP code | County |
|---|---|
| 63621 | Iron 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We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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 Arcadia codes above are listed without a column we would have to invent.
Scope every ZIP code recorded for Arcadia. 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 Arcadia ZIP code begins 636. Those first three digits identify the sectional center facility that processes mail for this part of Missouri. Statewide that range covers 37 ZIP codes, so Arcadia accounts for 3% of it.
Every Missouri ZIP prefix and the region it covers →
Area codes covering Arcadia
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 Arcadia occupies.
Arcadia Missouri area codes in full →
Where Arcadia's ZIP codes sit
- Reference points and footprint
- Not an official NANPA boundary
- Not a USPS delivery area
Cities near Arcadia
| City | Distance | ZIP codes |
|---|---|---|
| Ironton Missouri ZIP codes | 0.7 mi | 1 ZIP code |
| Pilot Knob Missouri ZIP codes | 2.7 mi | 1 ZIP code |
| Bismarck Missouri ZIP codes | 13 mi | 1 ZIP code |
| Caledonia Missouri ZIP codes | 15 mi | 1 ZIP code |
| Annapolis Missouri ZIP codes | 16 mi | 1 ZIP code |
| Park Hills Missouri ZIP codes | 18 mi | 1 ZIP code |
| Farmington Missouri ZIP codes | 18 mi | 1 ZIP code |
| Irondale Missouri ZIP codes | 18 mi | 1 ZIP code |
Straight-line distance between place reference points, not driving distance.