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Where 99557 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 99557 into a pocket calculator and turn it upside down: LSSGG — not quite a word, sorry.
- ➕ As a number, 99,557 = 29 × 3433. Its digits add up to 35, a total 212 other ZIP codes share.
- 💾In binary, the way a computer stores it:
11000010011100101 - 🏠 Its numerical neighbours: 99556 (Anchor Point, AK, 167 mi away) and 99558 (Anvik, AK, 181 mi away).
- 🔄 Backwards, 99557 becomes 75599 — and that is a real ZIP code: Texarkana, TX, 3,279 miles away.
- 👥 10 other ZIP codes are made of exactly the same digits (55979, 59759, 75599, 75959, 79955, 95759, …). The farthest-flung twin is 75959 in Milam, TX, 3,395 miles away.
- 🧭 Farther north than 99% of all ZIP codes, and farther west than 99%.
- 🎯2,774 miles northwest of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 99557 and you would come out at 61.47°S, 24.78°E — 1,901 miles from Gqeberha, South Africa, the nearest big city to that spot.
- ☀Longest day of the year: 19h 29m of daylight. Shortest: 5h 21m.
- 📏 At 13,680.1 square miles of land, 99557 is bigger than 99% of ZIP codes — room for about 10,386 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 714This ZIP714 |
|---|---|
| Households | 226This ZIP226 |
| Housing units | 447This ZIP447 |
| Median age | 28.8This ZIP28.8Alaska35.8US 38.9 |
| Median household income | $74,286This ZIP$74,286Alaska$92,788US $80,734 |
| Median home value | $259,400This ZIP$259,400Alaska$352,900US $332,700 |
| Median gross rent | $1,361This ZIP$1,361Alaska$1,419US $1,413 |
| Bachelor's degree or higher | 13.6%This ZIP13.6% |
| Mean commute | 5.1 minThis ZIP5.1 min |
| Population density | 0.1 / sq miThis ZIP0.1 / sq mi |
Business and tax activity
| Business establishments | 7This ZIP7 |
|---|---|
| Employees | 25This ZIP25 |
| Annual payroll | $1,643,000This ZIP$1,643,000 |
Land area
| Land area | 13,680.12 sq miThis ZIP13,680.12 sq mi |
|---|---|
| Water area | 100.23 sq miThis ZIP100.23 sq mi |
Other place names in 99557
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 99557
| ZIP | City | Distance |
|---|---|---|
99640 | Nondalton, AK | 53.2 mi |
99668 | Sleetmute, AK | 63.4 mi |
99656 | Red Devil, AK | 75.4 mi |
99635 | Nikiski, AK | 78.5 mi |
99653 | Port Alsworth, AK | 95.3 mi |
99691 | Nikolai, AK | 101.8 mi |
99675 | Takotna, AK | 108.2 mi |
99647 | Pedro Bay, AK | 116.4 mi |
99606 | Iliamna, AK | 120.1 mi |
99627 | Mc Grath, AK | 145.1 mi |
Find every ZIP code within 10 miles of 99557 →
Questions about this ZIP code
Where is ZIP code 99557?
99557 is in Aniak, Alaska, in Bethel Census Area. Its published point location is 61.4689, -155.2152.
What county is 99557 in?
99557 lies in Bethel Census Area.
What area code is 99557?
Aniak uses area code 907, from NANPA's telephone records.
What time zone is 99557 in?
99557 uses America/Anchorage.
How many people live in 99557?
About 714 people live in ZIP code 99557, in 226 households, at 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 99557?
$74,286 a year, against $92,788 across Alaska.
What ZIP codes are near 99557?
The closest are 99640 (53.2 mi), 99668 (63.4 mi), 99656 (75.4 mi), 99635 (78.5 mi) and 99653 (95.3 mi).
Is 99557 a PO Box ZIP code?
99557 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “99557 ZIP Code — Aniak, Alaska (Bethel Census Area).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/99557
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/99557.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.