Sparta Wisconsin ZIP Codes
Sparta holds a single ZIP code.
Every ZIP code in Sparta
| ZIP code | County |
|---|---|
| 54656 | 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We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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 Sparta codes above are listed without a column we would have to invent.
Scope every ZIP code recorded for Sparta. 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 Sparta 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 Sparta accounts for 2% of it.
Every Wisconsin ZIP prefix and the region it covers →
Area codes covering Sparta
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 Sparta occupies.
Sparta Wisconsin area codes in full →
Where Sparta's ZIP codes sit
- Reference points and footprint
- Not an official NANPA boundary
- Not a USPS delivery area
Cities near Sparta
| City | Distance | ZIP codes |
|---|---|---|
| Rockland Wisconsin ZIP codes | 5.6 mi | 1 ZIP code |
| Bangor Wisconsin ZIP codes | 9.5 mi | 1 ZIP code |
| Norwalk Wisconsin ZIP codes | 12 mi | 1 ZIP code |
| Cashton Wisconsin ZIP codes | 14 mi | 1 ZIP code |
| West Salem Wisconsin ZIP codes | 14 mi | 1 ZIP code |
| Tomah Wisconsin ZIP codes | 16 mi | 1 ZIP code |
| Melrose Wisconsin ZIP codes | 16 mi | 1 ZIP code |
| Wilton Wisconsin ZIP codes | 17 mi | 1 ZIP code |
Straight-line distance between place reference points, not driving distance.