What city is ZIP code 99666?

ZIP code 99666 is in Nunam Iqua, AK (Kusilvak Census Area).

What county is ZIP code 99666 in?

ZIP code 99666 is mostly in Kusilvak Census Area, Alaska.

How many people live in ZIP code 99666?

About 0 people live in the 99666 ZIP Code Tabulation Area, based on American Community Survey 5-year estimates.

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Checked Oct 26, 2026

ZIP Code 99666

Nunam Iqua, AK, Kusilvak Census Area

Population

Land area

85.1sq mi

City

Nunam Iqua

ZIP 99666 and nearby ZIP codes

Full map

Local data for ZIP 99666

Counts from official public data

Environment and hazard risk

ZIP 99666, from FEMA, NOAA and EPA

Full report

Natural hazard risk

Relatively Low

Top: cold wave

Storm events since 1996

Countywide, mostly flood

Flood insurance policies

0.6% of homes, county

Hazards, floods and storm history Check a flood zone

Health statistics

Share of adults in ZIP 99666, CDC PLACES estimates

All 40 measures

Obesity

45.6%

U.S. 33.3% +12.3 pts

Diabetes

14.1%

U.S. 12.1% +2.0 pts

Smoking

35.2%

U.S. 12.8% +22.4 pts

Uninsured (18-64)

18.8%

U.S. 11.1% +7.7 pts

Frequently asked questions

What city is ZIP code 99666?: ZIP code 99666 is in Nunam Iqua, AK (Kusilvak Census Area).
What county is ZIP code 99666 in?: ZIP code 99666 is mostly in Kusilvak Census Area, Alaska.
How many people live in ZIP code 99666?: About 0 people live in the 99666 ZIP Code Tabulation Area, based on American Community Survey 5-year estimates.

Source: U.S. Census Bureau (ZIP Code Tabulation Areas, American Community Survey) · Data as of 12/31/2023. ZIP Code Tabulation Areas closely match, but are not identical to, USPS ZIP code delivery areas.