99640
ZIP 99640 is Nondalton, Alaska, in Lake and Peninsula Borough; area code 907; Alaska time.
- Type
- Standard
- Time zone
- America/Anchorage
- County
- Lake and Peninsula
- Metro area
- none
- Population
- 116
- Coordinates
- 60.7186, -155.5723
Weather right now
Asking the National Weather Service…
Where 99640 is
Approximate ZIP boundary (Census ZCTA 2020). ZIP codes are mail routes, not areas, so the shape shown is the Census tabulation area that approximates it.
- 🔢 Type 99640 into a pocket calculator and turn it upside down: OhgGG — not quite a word, sorry.
- ➕ As a number, 99,640 = 2 × 2 × 2 × 5 × 47 × 53. Its digits add up to 28, a total 1,520 other ZIP codes share.
- 💾In binary, the way a computer stores it:
11000010100111000 - 🏠 Its numerical neighbours: 99639 (Ninilchik, AK, 148 mi away) and 99641 (Nunapitchuk, AK, 232 mi away).
- 🔄 Backwards, 99640 becomes 04699, which is not a ZIP code at all.
- 👥 16 other ZIP codes are made of exactly the same digits (04969, 09469, 09694, 46990, 49096, 49690, …). The farthest-flung twin is 09694 in APO AE, a military post office, 5,666 miles away.
- 🧭 Farther north than 99% of all ZIP codes, and farther west than 99%.
- 🎯2,781 miles northwest of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 99640 and you would come out at 60.72°S, 24.43°E — 1,850 miles from Gqeberha, South Africa, the nearest big city to that spot.
- ☀Longest day of the year: 19h 09m of daylight. Shortest: 5h 38m.
- 📏 At 2,685.6 square miles of land, 99640 is bigger than 99% of ZIP codes — room for about 2,039 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 116This ZIP116 |
|---|---|
| Households | 46This ZIP46 |
| Housing units | 119This ZIP119 |
| Median age | 36.3This ZIP36.3Alaska35.8US 38.9 |
| Median household income | $58,125This ZIP$58,125Alaska$92,788US $80,734 |
| Median home value | $88,200This ZIP$88,200Alaska$352,900US $332,700 |
| Bachelor's degree or higher | 5.4%This ZIP5.4% |
| Mean commute | 5.1 minThis ZIP5.1 min |
| Population density | under 0.1 / sq mi |
Land area
| Land area | 2,685.59 sq miThis ZIP2,685.59 sq mi |
|---|---|
| Water area | 64.03 sq miThis ZIP64.03 sq mi |
Other place names in 99640
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 99640
| ZIP | City | Distance |
|---|---|---|
99557 | Aniak, AK | 53.2 mi |
99653 | Port Alsworth, AK | 57.2 mi |
99606 | Iliamna, AK | 71.6 mi |
99647 | Pedro Bay, AK | 77.5 mi |
99668 | Sleetmute, AK | 82.3 mi |
99635 | Nikiski, AK | 89.7 mi |
99656 | Red Devil, AK | 98.9 mi |
99636 | New Stuyahok, AK | 103.2 mi |
99613 | King Salmon, AK | 114.0 mi |
99580 | Ekwok, AK | 115.6 mi |
Find every ZIP code within 10 miles of 99640 →
Questions about this ZIP code
Where is ZIP code 99640?
99640 is in Nondalton, Alaska, in Lake and Peninsula Borough. Its published point location is 60.7186, -155.5723.
What county is 99640 in?
99640 lies in Lake and Peninsula Borough.
What area code is 99640?
Nondalton uses area code 907, from NANPA's telephone records.
What time zone is 99640 in?
99640 uses America/Anchorage.
How many people live in 99640?
About 116 people live in ZIP code 99640, in 46 households, at under 0.1 people per square mile. These are American Community Survey 5-year estimates for the ZIP Code Tabulation Area, not a headcount.
What is the median household income in 99640?
$58,125 a year, against $92,788 across Alaska.
What ZIP codes are near 99640?
The closest are 99557 (53.2 mi), 99653 (57.2 mi), 99606 (71.6 mi), 99647 (77.5 mi) and 99668 (82.3 mi).
Is 99640 a PO Box ZIP code?
99640 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “99640 ZIP Code — Nondalton, Alaska (Lake and Peninsula Borough).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/99640
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/99640.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.