Every ZIP code in the United States, with weather, radar, trivia and the numbers behind it. Five digits since 1963!

ZIP stands for Zone Improvement Plan. The codes went live on July 1, 1963.The lowest ZIP code is 00501 — the IRS in Holtsville, New York.The highest ZIP code is 99950, in Ketchikan, Alaska.Type 07734 into a calculator and turn it upside down: hELLO. It is Keansburg, New Jersey.12345 belongs to one company: General Electric in Schenectady, New York.The first digit is a region: 0 is New England and New Jersey, 9 is the West Coast, Alaska and Hawaii.Mr. ZIP, the cartoon mailman, was the mascot that sold the idea to America.ZIP+4 arrived in 1983 and can narrow a ZIP down to one side of one block.A ZIP code is a mail route, not a place: plenty of them cross county and even state lines.Play ZIP Hunt: guess the secret ZIP code of the day in six tries.
zipcodes.pro — ZIP/99723

99723

ZIP 99723 is Barrow, Alaska, in North Slope Borough; area code 907; Alaska time.

Type
Standard
Time zone
America/Anchorage
County
North Slope
Metro area
none
Population
4,785
Coordinates
71.2644, -156.7537
☼ Live from 99723 — Barrow, AK

Weather right now

Asking the National Weather Service…

NEXRAD radar
Finding the nearest radar…
Local time: —

Where 99723 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.

★ Weird and wonderful facts about 99723
  • 🔢 Type 99723 into a pocket calculator and turn it upside down: EZLGG — not quite a word, sorry.
  • ➕ As a number, 99,723 = 3 × 13 × 2557. Its digits add up to 30, a total 1,024 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 11000010110001011
  • 🏠 Its numerical neighbours: 99722 (Arctic Village, AK, 345 mi away) and 99724 (Beaver, AK, 422 mi away). Next door on paper, a road trip in real life.
  • 🔄 Backwards, 99723 becomes 32799 — and that is a real ZIP code: Mid Florida, FL, 4,027 miles away.
  • 👥 18 other ZIP codes are made of exactly the same digits (27939, 29379, 32799, 37929, 79239, 79329, …). The farthest-flung twin is 32799 in Mid Florida, FL, 4,027 miles away.
  • 🧭 Farther north than 99% of all ZIP codes, and farther west than 99%.
  • 🎯2,940 miles northwest of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 99723 and you would come out at 71.26°S, 23.25°E — 2,094 miles from Grytviken, South Georgia and the South Sandwich Islands, the nearest big city to that spot.
  • ☀Longest day of the year: 24h 00m of daylight. Shortest: 0h 00m.
  • 📏 At 18.9 square miles of land, 99723 is bigger than 36% of ZIP codes — room for about 14 Central Parks.
🌙 The sky over 99723 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population4,785This ZIP4,785
Households1,441This ZIP1,441
Housing units1,634This ZIP1,634
Median age34.4This ZIP34.4Alaska35.8US 38.9
Median household income$115,313This ZIP$115,313Alaska$92,788US $80,734
Median home value$311,400This ZIP$311,400Alaska$352,900US $332,700
Median gross rent$1,360This ZIP$1,360Alaska$1,419US $1,413
Bachelor's degree or higher16.4%This ZIP16.4%
Mean commute10.1 minThis ZIP10.1 min
Population density253.4 / sq miThis ZIP253.4 / sq mi

Business and tax activity

Business establishments62This ZIP62
Employees1,391This ZIP1,391
Annual payroll$175,132,000This ZIP$175,132,000

Land area

Land area18.89 sq miThis ZIP18.89 sq mi
Water area3.22 sq miThis ZIP3.22 sq mi

Other place names in 99723

Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.

ZIP codes near 99723

ZIPCityDistance
99791 Atqasuk, AK 55.7 mi
99782 Wainwright, AK 83.5 mi
99789 Nuiqsut, AK 149.3 mi
99721 Anaktuvuk Pass, AK 246.8 mi
99786 Ambler, AK 290.4 mi
99752 Kotzebue, AK 295.2 mi
99751 Kobuk, AK 300.4 mi
99773 Shungnak, AK 302.8 mi
99749 Kiana, AK 309.4 mi
99763 Noorvik, AK 324.1 mi

Find every ZIP code within 10 miles of 99723 →

Questions about this ZIP code

Where is ZIP code 99723?

99723 is in Barrow, Alaska, in North Slope Borough. Its published point location is 71.2644, -156.7537.

What county is 99723 in?

99723 lies in North Slope Borough.

What area code is 99723?

Barrow uses area code 907, from NANPA's telephone records.

What time zone is 99723 in?

99723 uses America/Anchorage.

How many people live in 99723?

About 4,785 people live in ZIP code 99723, in 1,441 households, at 253.4 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 99723?

$115,313 a year, against $92,788 across Alaska.

What ZIP codes are near 99723?

The closest are 99791 (55.7 mi), 99782 (83.5 mi), 99789 (149.3 mi), 99721 (246.8 mi) and 99786 (290.4 mi).

Is 99723 a PO Box ZIP code?

99723 is a standard ZIP code. A normal ZIP code with street delivery.

Download or cite

Cite this page

zipcodes.pro. “99723 ZIP Code — Barrow, Alaska (North Slope Borough).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/99723

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/99723.json

Underlying data is public domain or openly licensed — sources, vintages and licences.