99788
ZIP 99788 is Chalkyitsik, Alaska, in Yukon-Koyukuk Census Area; area code 907; Alaska time.
- Type
- Standard
- Time zone
- America/Anchorage
- County
- Yukon-Koyukuk
- Metro area
- none
- Population
- 80
- Coordinates
- 66.6468, -143.7883
Weather right now
Asking the National Weather Service…
Where 99788 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 99788 into a pocket calculator and turn it upside down: BBLGG — not quite a word, sorry.
- ➕ As a number, 99,788 = 2 × 2 × 13 × 19 × 101. Its digits add up to 41, a total 3 other ZIP codes share.
- 💾In binary, the way a computer stores it:
11000010111001100 - 🏠 Its numerical neighbours: 99786 (Ambler, AK, 384 mi away) and 99789 (Nuiqsut, AK, 307 mi away). Next door on paper, a road trip in real life.
- 🔄 Backwards, 99788 becomes 88799, which is not a ZIP code at all.
- 🧭 Farther north than 99% of all ZIP codes, and farther west than 99%.
- 🎯2,531 miles northwest of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 99788 and you would come out at 66.65°S, 36.21°E — 1,687 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: 2h 03m.
- 📏 At 8.7 square miles of land, 99788 is bigger than 25% of ZIP codes — room for about 6.6 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 80This ZIP80 |
|---|---|
| Households | 38This ZIP38 |
| Housing units | 61This ZIP61 |
| Median age | 32.5This ZIP32.5Alaska35.8US 38.9 |
| Median household income | $59,286This ZIP$59,286Alaska$92,788US $80,734 |
| Median home value | $34,100This ZIP$34,100Alaska$352,900US $332,700 |
| Bachelor's degree or higher | 0.0% |
| Population density | 9.2 / sq miThis ZIP9.2 / sq mi |
Land area
| Land area | 8.65 sq miThis ZIP8.65 sq mi |
|---|---|
| Water area | 0.35 sq miThis ZIP0.35 sq mi |
Other place names in 99788
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 99788
| ZIP | City | Distance |
|---|---|---|
99733 | Circle, AK | 60.3 mi |
99740 | Fort Yukon, AK | 72.5 mi |
99781 | Venetie, AK | 83.5 mi |
99730 | Central, AK | 85.8 mi |
99724 | Beaver, AK | 86.0 mi |
99738 | Eagle, AK | 108.3 mi |
99722 | Arctic Village, AK | 113.3 mi |
99707 | Fairbanks, AK | 124.3 mi |
99712 | Fairbanks, AK | 125.2 mi |
99716 | Two Rivers, AK | 150.9 mi |
Find every ZIP code within 10 miles of 99788 →
Questions about this ZIP code
Where is ZIP code 99788?
99788 is in Chalkyitsik, Alaska, in Yukon-Koyukuk Census Area. Its published point location is 66.6468, -143.7883.
What county is 99788 in?
99788 lies in Yukon-Koyukuk Census Area.
What area code is 99788?
Chalkyitsik uses area code 907, from NANPA's telephone records.
What time zone is 99788 in?
99788 uses America/Anchorage.
How many people live in 99788?
About 80 people live in ZIP code 99788, in 38 households, at 9.2 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 99788?
$59,286 a year, against $92,788 across Alaska.
What ZIP codes are near 99788?
The closest are 99733 (60.3 mi), 99740 (72.5 mi), 99781 (83.5 mi), 99730 (85.8 mi) and 99724 (86 mi).
Is 99788 a PO Box ZIP code?
99788 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “99788 ZIP Code — Chalkyitsik, Alaska (Yukon-Koyukuk Census Area).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/99788
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/99788.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.