Fort Smith Arkansas ZIP Codes

Fort Smith holds 13 ZIP codes, all inside one county and one postal prefix.

We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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 Fort Smith codes above are listed without a column we would have to invent.

Scope every ZIP code recorded for Fort Smith. Source GeoNames US postal codes (2026-07 postal dump) and Census 2024 county Gazetteer (2024 Gazetteer). Updated 15 July 2026. ZIP codes are delivery-route groupings, not areas; the boundaries implied by any ZIP map are approximations.

Every Fort Smith ZIP code begins 729. Those first three digits identify the sectional center facility that processes mail for this part of Arkansas. Statewide that range covers 43 ZIP codes, so Fort Smith accounts for 30% of it.

Every Arkansas ZIP prefix and the region it covers →

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 Fort Smith occupies.

• 479 Area code 479

Fort Smith Arkansas area codes in full →

Straight-line distance between place reference points, not driving distance.