East Troy Wisconsin ZIP Codes

East Troy holds a single ZIP code.

Every ZIP code in East Troy

The complete list of East Troy, Wisconsin ZIP codes with the county each falls in.
ZIP codeCounty
53120Walworth 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We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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 East Troy codes above are listed without a column we would have to invent.

Scope every ZIP code recorded for East Troy. 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 East Troy ZIP code begins 531. Those first three digits identify the sectional center facility that processes mail for this part of Wisconsin. Statewide that range covers 66 ZIP codes, so East Troy accounts for 2% of it.

Every Wisconsin ZIP prefix and the region it covers →

Area codes covering East Troy

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 East Troy occupies.

East Troy Wisconsin area codes in full →

Where East Troy's ZIP codes sit

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

Cities near East Troy

The closest places to East Troy with their own ZIP code list, nearest first.
CityDistanceZIP codes
Mukwonago Wisconsin ZIP codes6.0 mi1 ZIP code
Eagle Wisconsin ZIP codes7.5 mi1 ZIP code
Rochester Wisconsin ZIP codes8.2 mi1 ZIP code
Waterford Wisconsin ZIP codes9.2 mi1 ZIP code
Burlington Wisconsin ZIP codes9.9 mi1 ZIP code
Elkhorn Wisconsin ZIP codes11 mi1 ZIP code
North Prairie Wisconsin ZIP codes11 mi1 ZIP code
Big Bend Wisconsin ZIP codes12 mi1 ZIP code

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