Island Park Idaho ZIP Codes
Island Park holds a single ZIP code.
Every ZIP code in Island Park
| ZIP code | County |
|---|---|
| 83429 | Fremont 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We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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 Island Park codes above are listed without a column we would have to invent.
Scope every ZIP code recorded for Island Park. 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 Island Park ZIP code begins 834. Those first three digits identify the sectional center facility that processes mail for this part of Idaho. Statewide that range covers 45 ZIP codes, so Island Park accounts for 2% of it.
Every Idaho ZIP prefix and the region it covers →
Area codes covering Island Park
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 Island Park occupies.
Island Park Idaho area codes in full →
Where Island Park's ZIP codes sit
- Reference points and footprint
- Not an official NANPA boundary
- Not a USPS delivery area
Cities near Island Park
| City | Distance | ZIP codes |
|---|---|---|
| Ashton Idaho ZIP codes | 32 mi | 1 ZIP code |
| Spencer Idaho ZIP codes | 43 mi | 1 ZIP code |
| Parker Idaho ZIP codes | 45 mi | 1 ZIP code |
| Newdale Idaho ZIP codes | 47 mi | 1 ZIP code |
| Teton Idaho ZIP codes | 48 mi | 1 ZIP code |
| Sugar City Idaho ZIP codes | 50 mi | 1 ZIP code |
| Tetonia Idaho ZIP codes | 51 mi | 1 ZIP code |
| Dubois Idaho ZIP codes | 51 mi | 1 ZIP code |
Straight-line distance between place reference points, not driving distance.