New Berlin Wisconsin ZIP Codes
New Berlin holds 2 ZIP codes, all inside one county and one postal prefix.
Every ZIP code in New Berlin
| ZIP code | County |
|---|---|
| 53146 | Waukesha County |
| 53151 | Waukesha 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We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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 New Berlin codes above are listed without a column we would have to invent.
Scope every ZIP code recorded for New Berlin. 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 New Berlin 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 New Berlin accounts for 3% of it.
Every Wisconsin ZIP prefix and the region it covers →
Area codes covering New Berlin
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 New Berlin occupies.
New Berlin Wisconsin area codes in full →
Where New Berlin's ZIP codes sit
- Reference points and footprint
- Not an official NANPA boundary
- Not a USPS delivery area
Cities near New Berlin
| City | Distance | ZIP codes |
|---|---|---|
| Hales Corners Wisconsin ZIP codes | 4.6 mi | 1 ZIP code |
| Elm Grove Wisconsin ZIP codes | 5.6 mi | 1 ZIP code |
| Waukesha Wisconsin ZIP codes | 6.4 mi | 4 ZIP codes |
| Brookfield Wisconsin ZIP codes | 6.4 mi | 3 ZIP codes |
| Greendale Wisconsin ZIP codes | 6.9 mi | 1 ZIP code |
| Muskego Wisconsin ZIP codes | 7.0 mi | 1 ZIP code |
| Big Bend Wisconsin ZIP codes | 7.2 mi | 1 ZIP code |
| Franklin Wisconsin ZIP codes | 8.5 mi | 1 ZIP code |
Straight-line distance between place reference points, not driving distance.