Williamsburg Iowa ZIP Codes
Williamsburg holds a single ZIP code.
Every ZIP code in Williamsburg
| ZIP code | County |
|---|---|
| 52361 | Iowa 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We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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 Williamsburg codes above are listed without a column we would have to invent.
Scope every ZIP code recorded for Williamsburg. 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 Williamsburg ZIP code begins 523. Those first three digits identify the sectional center facility that processes mail for this part of Iowa. Statewide that range covers 53 ZIP codes, so Williamsburg accounts for 2% of it.
Every Iowa ZIP prefix and the region it covers →
Area codes covering Williamsburg
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 Williamsburg occupies.
Williamsburg Iowa area codes in full →
Where Williamsburg's ZIP codes sit
- Reference points and footprint
- Not an official NANPA boundary
- Not a USPS delivery area
Cities near Williamsburg
| City | Distance | ZIP codes |
|---|---|---|
| Parnell Iowa ZIP codes | 5.9 mi | 1 ZIP code |
| Marengo Iowa ZIP codes | 9.2 mi | 1 ZIP code |
| Millersburg Iowa ZIP codes | 10 mi | 1 ZIP code |
| Ladora Iowa ZIP codes | 11 mi | 1 ZIP code |
| North English Iowa ZIP codes | 11 mi | 1 ZIP code |
| Oxford Iowa ZIP codes | 12 mi | 1 ZIP code |
| Victor Iowa ZIP codes | 15 mi | 1 ZIP code |
| South English Iowa ZIP codes | 16 mi | 1 ZIP code |
Straight-line distance between place reference points, not driving distance.