Portage Wisconsin ZIP Codes
Portage holds a single ZIP code.
Every ZIP code in Portage
| ZIP code | County |
|---|---|
| 53901 | Columbia 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We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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 Portage codes above are listed without a column we would have to invent.
Scope every ZIP code recorded for Portage. 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 Portage ZIP code begins 539. Those first three digits identify the sectional center facility that processes mail for this part of Wisconsin. Statewide that range covers 51 ZIP codes, so Portage accounts for 2% of it.
Every Wisconsin ZIP prefix and the region it covers →
Area codes covering Portage
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 Portage occupies.
Portage Wisconsin area codes in full →
Where Portage's ZIP codes sit
- Reference points and footprint
- Not an official NANPA boundary
- Not a USPS delivery area
Cities near Portage
| City | Distance | ZIP codes |
|---|---|---|
| Pardeeville Wisconsin ZIP codes | 8.2 mi | 1 ZIP code |
| Wyocena Wisconsin ZIP codes | 9.1 mi | 1 ZIP code |
| Poynette Wisconsin ZIP codes | 11 mi | 1 ZIP code |
| Endeavor Wisconsin ZIP codes | 11 mi | 1 ZIP code |
| Rio Wisconsin ZIP codes | 13 mi | 1 ZIP code |
| Merrimac Wisconsin ZIP codes | 14 mi | 1 ZIP code |
| Baraboo Wisconsin ZIP codes | 15 mi | 1 ZIP code |
| Arlington Wisconsin ZIP codes | 16 mi | 1 ZIP code |
Straight-line distance between place reference points, not driving distance.