99721
ZIP 99721 is Anaktuvuk Pass, Alaska, in North Slope Borough; area code 907; Alaska time.
- Type
- Standard
- Time zone
- America/Anchorage
- County
- North Slope
- Metro area
- none
- Population
- 329
- Coordinates
- 68.1498, -151.6971
Weather right now
Asking the National Weather Service…
Where 99721 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 99721 into a pocket calculator and turn it upside down: IZLGG — not quite a word, sorry.
- ➕ 99721 is a prime number. It cannot be divided by anything except 1 and itself. Its digits add up to 28, a total 1,520 other ZIP codes share.
- 💾In binary, the way a computer stores it:
11000010110001001 - 🏠 Its numerical neighbours: 99720 (Allakaket, AK, 113 mi away) and 99722 (Arctic Village, AK, 162 mi away).
- 🔄 Backwards, 99721 becomes 12799, which is not a ZIP code at all.
- 👥 18 other ZIP codes are made of exactly the same digits (12979, 12997, 17929, 27199, 27919, 71929, …). The farthest-flung twin is 27919 in Belvidere, NC, 3,539 miles away.
- 🧭 Farther north than 99% of all ZIP codes, and farther west than 99%.
- 🎯2,764 miles northwest of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 99721 and you would come out at 68.15°S, 28.30°E — 1,921 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
- ☀Longest day of the year: 24h 00m of daylight. Shortest: 0h 00m.
- 📏 At 5.2 square miles of land, 99721 is bigger than 19% of ZIP codes — room for about 3.9 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 329This ZIP329 |
|---|---|
| Households | 108This ZIP108 |
| Housing units | 127This ZIP127 |
| Median age | 27.2This ZIP27.2Alaska35.8US 38.9 |
| Median household income | $95,500This ZIP$95,500Alaska$92,788US $80,734 |
| Median home value | $145,000This ZIP$145,000Alaska$352,900US $332,700 |
| Median gross rent | $1,129This ZIP$1,129Alaska$1,419US $1,413 |
| Bachelor's degree or higher | 15.9%This ZIP15.9% |
| Mean commute | 4.7 minThis ZIP4.7 min |
| Population density | 63.6 / sq miThis ZIP63.6 / sq mi |
Land area
| Land area | 5.18 sq miThis ZIP5.18 sq mi |
|---|---|
| Water area | 0.05 sq miThis ZIP0.05 sq mi |
Other place names in 99721
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 99721
| ZIP | City | Distance |
|---|---|---|
99701 | Fairbanks, AK | 74.2 mi |
99726 | Bettles Field, AK | 96.6 mi |
99720 | Allakaket, AK | 113.3 mi |
99519 | Anchorage, AK | 137.0 mi |
99789 | Nuiqsut, AK | 143.5 mi |
99745 | Hughes, AK | 160.2 mi |
99774 | Stevens Village, AK | 162.8 mi |
99734 | Prudhoe Bay, AK | 167.6 mi |
99767 | Rampart, AK | 187.9 mi |
99777 | Tanana, AK | 205.1 mi |
Find every ZIP code within 10 miles of 99721 →
Questions about this ZIP code
Where is ZIP code 99721?
99721 is in Anaktuvuk Pass, Alaska, in North Slope Borough. Its published point location is 68.1498, -151.6971.
What county is 99721 in?
99721 lies in North Slope Borough.
What area code is 99721?
Anaktuvuk Pass uses area code 907, from NANPA's telephone records.
What time zone is 99721 in?
99721 uses America/Anchorage.
How many people live in 99721?
About 329 people live in ZIP code 99721, in 108 households, at 63.6 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 99721?
$95,500 a year, against $92,788 across Alaska.
What ZIP codes are near 99721?
The closest are 99701 (74.2 mi), 99726 (96.6 mi), 99720 (113.3 mi), 99519 (137 mi) and 99789 (143.5 mi).
Is 99721 a PO Box ZIP code?
99721 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “99721 ZIP Code — Anaktuvuk Pass, Alaska (North Slope Borough).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/99721
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/99721.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.