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Where 99503 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 99503 into a pocket calculator and turn it upside down: EOSGG — not quite a word, sorry.
- ➕ As a number, 99,503 = 19 × 5237. Its digits add up to 26, a total 2,038 other ZIP codes share.
- 💾In binary, the way a computer stores it:
11000010010101111 - 🏠 Its numerical neighbours: 99502 (Anchorage, AK, 275 mi away) and 99504 (Anchorage, AK, 287 mi away).
- 🔄 Backwards, 99503 becomes 30599 — and that is a real ZIP code: Commerce, GA, 3,677 miles away.
- 👥 19 other ZIP codes are made of exactly the same digits (09359, 09593, 30599, 35990, 39059, 39095, …). The farthest-flung twin is 09593 in FPO AE, a military post office, 4,783 miles away.
- 🧭 Farther north than 99% of all ZIP codes, and farther west than 99%.
- 🎯2,873 miles northwest of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 99503 and you would come out at 62.04°S, 21.83°E — 1,947 miles from Gqeberha, South Africa, the nearest big city to that spot.
- ☀Longest day of the year: 19h 46m of daylight. Shortest: 5h 08m.
- 📏 At 20.7 square miles of land, 99503 is bigger than 38% of ZIP codes — room for about 16 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 12,964This ZIP12,964 |
|---|---|
| Households | 6,103This ZIP6,103 |
| Housing units | 7,379This ZIP7,379 |
| Median age | 36.5This ZIP36.5Alaska35.8US 38.9 |
| Median household income | $76,144This ZIP$76,144Alaska$92,788US $80,734 |
| Median home value | $339,000This ZIP$339,000Alaska$352,900US $332,700 |
| Median gross rent | $1,192This ZIP$1,192Alaska$1,419US $1,413 |
| Bachelor's degree or higher | 30.4%This ZIP30.4% |
| Mean commute | 16.1 minThis ZIP16.1 min |
| Population density | 626.9 / sq miThis ZIP626.9 / sq mi |
Business and tax activity
| Business establishments | 1,756This ZIP1,756 |
|---|---|
| Employees | 42,255This ZIP42,255 |
| Annual payroll | $3,477,979,000This ZIP$3,477,979,000 |
| Tax returns filed | 7,140This ZIP7,140 |
| Total adjusted gross income | $520,017,000This ZIP$520,017,000 |
Land area
| Land area | 20.68 sq miThis ZIP20.68 sq mi |
|---|---|
| Water area | 0.01 sq miThis ZIP0.01 sq mi |
Counties 99503 spans
A ZIP code is a mail route and ignores county lines. Shares are by overlapping land area.
| County | Share of this ZIP |
|---|---|
| Bethel Census Area | 83.7% |
| Anchorage Municipality | 16.3% |
Other place names in 99503
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 99503
| ZIP | City | Distance |
|---|---|---|
99575 | Crooked Creek, AK | 17.3 mi |
99656 | Red Devil, AK | 29.3 mi |
99668 | Sleetmute, AK | 44.1 mi |
99602 | Holy Cross, AK | 55.3 mi |
99665 | Shageluk, AK | 63.0 mi |
99558 | Anvik, AK | 77.0 mi |
99607 | Kalskag, AK | 79.2 mi |
99626 | Lower Kalskag, AK | 80.2 mi |
99590 | Grayling, AK | 85.4 mi |
99675 | Takotna, AK | 94.1 mi |
Find every ZIP code within 10 miles of 99503 →
Questions about this ZIP code
Where is ZIP code 99503?
99503 is in Anchorage, Alaska, in Bethel Census Area. Its published point location is 62.0437, -158.1745.
What county is 99503 in?
99503 spans 2 counties: Bethel Census Area and Anchorage Municipality. Most of it falls in Bethel Census Area, measured by overlapping land area — the county holding the most land in a ZIP code is not always the one holding the most residents.
What area code is 99503?
Anchorage uses area code 907, from NANPA's telephone records.
What time zone is 99503 in?
99503 uses America/Anchorage.
How many people live in 99503?
About 12,964 people live in ZIP code 99503, in 6,103 households, at 626.9 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 99503?
$76,144 a year, against $92,788 across Alaska.
What ZIP codes are near 99503?
The closest are 99575 (17.3 mi), 99656 (29.3 mi), 99668 (44.1 mi), 99602 (55.3 mi) and 99665 (63 mi).
Is 99503 a PO Box ZIP code?
99503 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “99503 ZIP Code — Anchorage, Alaska (Bethel Census Area).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/99503
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/99503.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.