ZIP Code 99643 – Old Harbor, AK
Old Harbor, Alaska · Kodiak Island Borough · Alaska time
| ZIP code | 99643 |
|---|---|
| City | Old Harbor |
| State | Alaska |
| County | Kodiak Island Borough |
| Area code | 907 |
| Population | 162 |
| Time zone | Alaska · local time |
| ZIP type | Standard (has a Census ZCTA area) |
| Land area | 15.93 sq mi |
| Center (lat, long) | 57.2188, -153.3297 |
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About ZIP 99643
ZIP code 99643 is assigned to Old Harbor, Alaska. It lies in Kodiak Island Borough. Its Census area covers about 15.93 square miles of land. The closest neighboring ZIP is 99624 (Larsen Bay), about 27 miles away.
Every address in 99643 also has a 4-digit add-on code (ZIP+4) that points to a smaller delivery area. Use the box above to find it.
Sources: US Census Bureau (ZCTA, county relationship files), GeoNames (CC BY 4.0), NANPA via NumberResearch.org (CC BY 4.0). Map © OpenStreetMap contributors. ZIP areas are approximate. Population: U.S. Census Bureau, ACS 5-year estimates, 2024 (ZCTA). Data sources