What city is ZIP code 99640?

ZIP code 99640 is in Nondalton, AK (Lake and Peninsula Borough).

What county is ZIP code 99640 in?

ZIP code 99640 is mostly in Lake and Peninsula Borough, Alaska.

How many people live in ZIP code 99640?

About 116 people live in the 99640 ZIP Code Tabulation Area, based on American Community Survey 5-year estimates.

Something wrong? Let us know

Checked Oct 26, 2026

ZIP Code 99640

Nondalton, AK, Lake and Peninsula Borough

Population

116

Land area

2,685.6sq mi

People per sq mi

City

Nondalton

ZIP 99640 and nearby ZIP codes

Full map

ZIP 99640 at a glance

ZIP 99640 (Nondalton) is 97% less dense than Alaska as a whole.

Local data for ZIP 99640

Counts from official public data

Economy and federal money

Businesses, pandemic loans and political donations

Campaign donations

$793

0% D, 11% R, 2026 cycle

Environment and hazard risk

ZIP 99640, from FEMA, NOAA and EPA

Full report

Natural hazard risk

Very Low

Top: volcanic activity

Storm events since 1996

Countywide, mostly flood

Hazards, floods and storm history Check a flood zone

Health statistics

Share of adults in ZIP 99640, CDC PLACES estimates

All 40 measures

Obesity

41.3%

U.S. 33.3% +8.0 pts

Diabetes

14.2%

U.S. 12.1% +2.1 pts

Smoking

27.4%

U.S. 12.8% +14.6 pts

Uninsured (18-64)

12.6%

U.S. 11.1% +1.5 pts

Frequently asked questions

What city is ZIP code 99640?: ZIP code 99640 is in Nondalton, AK (Lake and Peninsula Borough).
What county is ZIP code 99640 in?: ZIP code 99640 is mostly in Lake and Peninsula Borough, Alaska.
How many people live in ZIP code 99640?: About 116 people live in the 99640 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.