Norwalk Wisconsin ZIP Codes
Norwalk holds a single ZIP code.
Every ZIP code in Norwalk
| ZIP code | County |
|---|---|
| 54648 | Monroe 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We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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 Norwalk codes above are listed without a column we would have to invent.
Scope every ZIP code recorded for Norwalk. 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 Norwalk ZIP code begins 546. Those first three digits identify the sectional center facility that processes mail for this part of Wisconsin. Statewide that range covers 59 ZIP codes, so Norwalk accounts for 2% of it.
Every Wisconsin ZIP prefix and the region it covers →
Area codes covering Norwalk
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 Norwalk occupies.
Norwalk Wisconsin area codes in full →
Where Norwalk's ZIP codes sit
- Reference points and footprint
- Not an official NANPA boundary
- Not a USPS delivery area
Cities near Norwalk
| City | Distance | ZIP codes |
|---|---|---|
| Wilton Wisconsin ZIP codes | 5.2 mi | 1 ZIP code |
| Ontario Wisconsin ZIP codes | 7.9 mi | 1 ZIP code |
| Cashton Wisconsin ZIP codes | 10 mi | 1 ZIP code |
| Sparta Wisconsin ZIP codes | 12 mi | 1 ZIP code |
| Tomah Wisconsin ZIP codes | 12 mi | 1 ZIP code |
| Kendall Wisconsin ZIP codes | 13 mi | 1 ZIP code |
| Oakdale Wisconsin ZIP codes | 15 mi | 1 ZIP code |
| Rockland Wisconsin ZIP codes | 15 mi | 1 ZIP code |
Straight-line distance between place reference points, not driving distance.