Mason Wisconsin ZIP Codes
Mason holds a single ZIP code.
Every ZIP code in Mason
| ZIP code | County |
|---|---|
| 54856 | Bayfield 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We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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 Mason codes above are listed without a column we would have to invent.
Scope every ZIP code recorded for Mason. 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 Mason ZIP code begins 548. 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 Mason accounts for 2% of it.
Every Wisconsin ZIP prefix and the region it covers →
Area codes covering Mason
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 Mason occupies.
Mason Wisconsin area codes in full →
Where Mason's ZIP codes sit
- Reference points and footprint
- Not an official NANPA boundary
- Not a USPS delivery area
Cities near Mason
| City | Distance | ZIP codes |
|---|---|---|
| Ashland Wisconsin ZIP codes | 13 mi | 1 ZIP code |
| Washburn Wisconsin ZIP codes | 18 mi | 1 ZIP code |
| Mellen Wisconsin ZIP codes | 21 mi | 1 ZIP code |
| Bayfield Wisconsin ZIP codes | 29 mi | 1 ZIP code |
| Lake Nebagamon Wisconsin ZIP codes | 31 mi | 1 ZIP code |
| Poplar Wisconsin ZIP codes | 36 mi | 1 ZIP code |
| Hayward Wisconsin ZIP codes | 36 mi | 1 ZIP code |
| Solon Springs Wisconsin ZIP codes | 37 mi | 1 ZIP code |
Straight-line distance between place reference points, not driving distance.