Unalaska Alaska ZIP Codes
Unalaska holds a single ZIP code.
Every ZIP code in Unalaska
| ZIP code | Borough or census area |
|---|---|
| 99685 | Aleutians West Census Area |
We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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 Unalaska codes above are listed without a column we would have to invent.
Scope every ZIP code recorded for Unalaska. 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 Unalaska ZIP code begins 996. Those first three digits identify the sectional center facility that processes mail for this part of Alaska. Statewide that range covers 89 ZIP codes, so Unalaska accounts for 1% of it.
Every Alaska ZIP prefix and the region it covers →
Area codes covering Unalaska
ZIP codes and area codes are separate systems — one routes mail, the other routes calls — and they do not share boundaries. The code below serves the same ground Unalaska occupies.
Unalaska Alaska area codes in full →
Where Unalaska's ZIP codes sit
- Reference points and footprint
- Not an official NANPA boundary
- Not a USPS delivery area
Cities near Unalaska
| City | Distance | ZIP codes |
|---|---|---|
| Akutan Alaska ZIP codes | 35 mi | 1 ZIP code |
| False Pass Alaska ZIP codes | 145 mi | 1 ZIP code |
| Cold Bay Alaska ZIP codes | 175 mi | 1 ZIP code |
| King Cove Alaska ZIP codes | 188 mi | 1 ZIP code |
| Sand Point Alaska ZIP codes | 261 mi | 1 ZIP code |
| Atka Alaska ZIP codes | 340 mi | 1 ZIP code |
| Chignik Alaska ZIP codes | 361 mi | 1 ZIP code |
| Port Heiden Alaska ZIP codes | 376 mi | 1 ZIP code |
Straight-line distance between place reference points, not driving distance.