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Where 99581 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 99581 into a pocket calculator and turn it upside down: IBSGG — not quite a word, sorry.
- ➕ 99581 is a prime number. It cannot be divided by anything except 1 and itself. Its digits add up to 32, a total 644 other ZIP codes share.
- 💾In binary, the way a computer stores it:
11000010011111101 - 🏠 Its numerical neighbours: 99580 (Ekwok, AK, 340 mi away) and 99583 (False Pass, AK, 550 mi away). Next door on paper, a road trip in real life.
- 🔄 Backwards, 99581 becomes 18599, which is not a ZIP code at all.
- 👥 15 other ZIP codes are made of exactly the same digits (19895, 19958, 59918, 89159, 89195, 89519, …). The farthest-flung twin is 19958 in Lewes, DE, 3,868 miles away.
- 🧭 Farther north than 99% of all ZIP codes, and farther west than 99%.
- 🎯3,083 miles northwest of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 99581 and you would come out at 62.82°S, 15.29°E — 1,899 miles from Grytviken, South Georgia and the South Sandwich Islands, the nearest big city to that spot.
- ☀Longest day of the year: 20h 12m of daylight. Shortest: 4h 47m.
- 📏 At 58.2 square miles of land, 99581 is bigger than 64% of ZIP codes — room for about 44 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 966This ZIP966 |
|---|---|
| Households | 261This ZIP261 |
| Housing units | 293This ZIP293 |
| Median age | 28.0This ZIP28.0Alaska35.8US 38.9 |
| Median household income | $57,764This ZIP$57,764Alaska$92,788US $80,734 |
| Median home value | $112,200This ZIP$112,200Alaska$352,900US $332,700 |
| Median gross rent | $890This ZIP$890Alaska$1,419US $1,413 |
| Bachelor's degree or higher | 17.5%This ZIP17.5% |
| Mean commute | 6.4 minThis ZIP6.4 min |
| Population density | 16.6 / sq miThis ZIP16.6 / sq mi |
Business and tax activity
| Business establishments | 8This ZIP8 |
|---|---|
| Employees | 92This ZIP92 |
| Annual payroll | $3,350,000This ZIP$3,350,000 |
Land area
| Land area | 58.20 sq miThis ZIP58.20 sq mi |
|---|---|
| Water area | 1.28 sq miThis ZIP1.28 sq mi |
Other place names in 99581
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 99581
| ZIP | City | Distance |
|---|---|---|
99554 | Alakanuk, AK | 7.9 mi |
99666 | Nunam Iqua, AK | 29.8 mi |
99620 | Kotlik, AK | 39.5 mi |
99632 | Mountain Village, AK | 59.3 mi |
99658 | Saint Marys, AK | 68.7 mi |
99662 | Scammon Bay, AK | 73.3 mi |
99650 | Pilot Station, AK | 84.3 mi |
99671 | Stebbins, AK | 88.7 mi |
99563 | Chevak, AK | 90.3 mi |
99659 | Saint Michael, AK | 91.6 mi |
Find every ZIP code within 10 miles of 99581 →
Questions about this ZIP code
Where is ZIP code 99581?
99581 is in Emmonak, Alaska, in Kusilvak Census Area. Its published point location is 62.8221, -164.7084.
What county is 99581 in?
99581 lies in Kusilvak Census Area.
What area code is 99581?
Emmonak uses area code 907, from NANPA's telephone records.
What time zone is 99581 in?
99581 uses America/Nome.
How many people live in 99581?
About 966 people live in ZIP code 99581, in 261 households, at 16.6 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 99581?
$57,764 a year, against $92,788 across Alaska.
What ZIP codes are near 99581?
The closest are 99554 (7.9 mi), 99666 (29.8 mi), 99620 (39.5 mi), 99632 (59.3 mi) and 99658 (68.7 mi).
Is 99581 a PO Box ZIP code?
99581 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “99581 ZIP Code — Emmonak, Alaska (Kusilvak Census Area).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/99581
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/99581.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.