Williamsville Missouri ZIP Codes

Williamsville holds a single ZIP code.

Every ZIP code in Williamsville

The complete list of Williamsville, Missouri ZIP codes with the county each falls in.
ZIP codeCounty
63967Wayne 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We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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 Williamsville codes above are listed without a column we would have to invent.

Scope every ZIP code recorded for Williamsville. 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 Williamsville ZIP code begins 639. Those first three digits identify the sectional center facility that processes mail for this part of Missouri. Statewide that range covers 32 ZIP codes, so Williamsville accounts for 3% of it.

Every Missouri ZIP prefix and the region it covers →

Area codes covering Williamsville

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 Williamsville occupies.

Williamsville Missouri area codes in full →

Where Williamsville's ZIP codes sit

Each point is one Williamsville ZIP code, plotted from its record coordinates.
  • Reference points and footprint
  • Not an official NANPA boundary
  • Not a USPS delivery area

Cities near Williamsville

The closest places to Williamsville with their own ZIP code list, nearest first.
CityDistanceZIP codes
Mill Spring Missouri ZIP codes9.6 mi1 ZIP code
Ellsinore Missouri ZIP codes11 mi1 ZIP code
Greenville Missouri ZIP codes12 mi1 ZIP code
Piedmont Missouri ZIP codes15 mi1 ZIP code
Poplar Bluff Missouri ZIP codes16 mi2 ZIP codes
Grandin Missouri ZIP codes18 mi1 ZIP code
Puxico Missouri ZIP codes22 mi1 ZIP code
Des Arc Missouri ZIP codes22 mi1 ZIP code

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