99639
ZIP 99639 is Ninilchik, Alaska, in Kenai Peninsula Borough; area code 907; Alaska time.
- Type
- Standard
- Time zone
- America/Anchorage
- County
- Kenai Peninsula
- Metro area
- none
- Population
- 1,175
- Coordinates
- 59.9853, -151.5077
Weather right now
Asking the National Weather Service…
Where 99639 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 99639 into a pocket calculator and turn it upside down: GEgGG — not quite a word, sorry.
- ➕ As a number, 99,639 = 3 × 3 × 11071. Its digits add up to 36, a total 149 other ZIP codes share.
- 💾In binary, the way a computer stores it:
11000010100110111 - 🏠 Its numerical neighbours: 99638 (Nikolski, AK, 810 mi away) and 99640 (Nondalton, AK, 148 mi away). Next door on paper, a road trip in real life.
- 🔄 Backwards, 99639 becomes 93699, which is not a ZIP code at all.
- 👥 1 other ZIP code is made of exactly the same digits (99693). The farthest-flung twin is 99693 in Whittier, AK, 133 miles away.
- 🧭 Farther north than 99% of all ZIP codes, and farther west than 99%.
- 🎯2,637 miles northwest of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 99639 and you would come out at 59.99°S, 28.49°E — 1,784 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
- ☀Longest day of the year: 18h 52m of daylight. Shortest: 5h 52m.
- 📏 At 359.2 square miles of land, 99639 is bigger than 96% of ZIP codes — room for about 273 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 1,175This ZIP1,175 |
|---|---|
| Households | 570This ZIP570 |
| Housing units | 1,189This ZIP1,189 |
| Median age | 55.9This ZIP55.9Alaska35.8US 38.9 |
| Median household income | $47,333This ZIP$47,333Alaska$92,788US $80,734 |
| Median home value | $250,800This ZIP$250,800Alaska$352,900US $332,700 |
| Median gross rent | $1,007This ZIP$1,007Alaska$1,419US $1,413 |
| Bachelor's degree or higher | 25.3%This ZIP25.3% |
| Mean commute | 18.4 minThis ZIP18.4 min |
| Population density | 3.3 / sq miThis ZIP3.3 / sq mi |
Business and tax activity
| Business establishments | 39This ZIP39 |
|---|---|
| Employees | 130This ZIP130 |
| Annual payroll | $7,859,000This ZIP$7,859,000 |
| Tax returns filed | 670This ZIP670 |
| Total adjusted gross income | $43,927,000This ZIP$43,927,000 |
Land area
| Land area | 359.23 sq miThis ZIP359.23 sq mi |
|---|---|
| Water area | 0.03 sq miThis ZIP0.03 sq mi |
Other place names in 99639
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 99639
| ZIP | City | Distance |
|---|---|---|
99556 | Anchor Point, AK | 10.7 mi |
99610 | Kasilof, AK | 22.0 mi |
99669 | Soldotna, AK | 30.9 mi |
99603 | Homer, AK | 32.8 mi |
99568 | Clam Gulch, AK | 36.8 mi |
99663 | Seldovia, AK | 40.6 mi |
99672 | Sterling, AK | 47.8 mi |
99611 | Kenai, AK | 64.5 mi |
99572 | Cooper Landing, AK | 65.2 mi |
99664 | Seward, AK | 70.0 mi |
Find every ZIP code within 10 miles of 99639 →
Questions about this ZIP code
Where is ZIP code 99639?
99639 is in Ninilchik, Alaska, in Kenai Peninsula Borough. Its published point location is 59.9853, -151.5077.
What county is 99639 in?
99639 lies in Kenai Peninsula Borough.
What area code is 99639?
Ninilchik uses area code 907, from NANPA's telephone records.
What time zone is 99639 in?
99639 uses America/Anchorage.
How many people live in 99639?
About 1,175 people live in ZIP code 99639, in 570 households, at 3.3 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 99639?
$47,333 a year, against $92,788 across Alaska.
What ZIP codes are near 99639?
The closest are 99556 (10.7 mi), 99610 (22 mi), 99669 (30.9 mi), 99603 (32.8 mi) and 99568 (36.8 mi).
Is 99639 a PO Box ZIP code?
99639 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “99639 ZIP Code — Ninilchik, Alaska (Kenai Peninsula Borough).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/99639
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/99639.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.