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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/85931

85931

ZIP 85931 is Forest Lakes, Arizona, in Coconino County; Mountain Standard Time all year.

Type
Standard
Time zone
America/Phoenix
County
Coconino
Metro area
Flagstaff, AZ
Population
210
Coordinates
34.3700, -110.9156
☼ Live from 85931 — Forest Lakes, AZ

Weather right now

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Local time: —

Where 85931 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 85931
  • 🔢 Type 85931 into a pocket calculator and turn it upside down: IEGSB — not quite a word, sorry.
  • ➕ 85931 is a prime number. It cannot be divided by anything except 1 and itself. Its digits add up to 26, a total 2,038 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10100111110101011
  • 🏠 Its numerical neighbours: 85930 (Mcnary, AZ, 69 mi away) and 85932 (Nutrioso, AZ, 103 mi away).
  • 🔄 Backwards, 85931 becomes 13958, which is not a ZIP code at all.
  • 👥 37 other ZIP codes are made of exactly the same digits (13859, 15938, 18935, 18953, 19358, 19538, …). The farthest-flung twin is 13859 in Wells Bridge, NY, 1,993 miles away.
  • 🧭 Farther south than 77% of all ZIP codes, and farther west than 86%.
  • 🎯776 miles southwest of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 85931 and you would come out at 34.37°S, 69.08°E — 1,037 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 27m of daylight. Shortest: 9h 51m.
  • 📏 At 312.7 square miles of land, 85931 is bigger than 95% of ZIP codes — room for about 237 Central Parks.
🌙 The sky over 85931 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population210This ZIP210
Households113This ZIP113
Housing units1,008This ZIP1,008
Median age59.7This ZIP59.7Arizona39.0US 38.9
Median household income$87,852This ZIP$87,852Arizona$79,964US $80,734
Median home value$452,800This ZIP$452,800Arizona$394,500US $332,700
Bachelor's degree or higher56.7%This ZIP56.7%
Population density0.7 / sq miThis ZIP0.7 / sq mi

Business and tax activity

Business establishments5This ZIP5
Employees19This ZIP19
Annual payroll$915,000This ZIP$915,000

Land area

Land area312.69 sq miThis ZIP312.69 sq mi
Water area0.65 sq miThis ZIP0.65 sq mi

Other place names in 85931

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

ZIP codes near 85931

ZIPCityDistance
85547 Payson, AZ 22.6 mi
85928 Heber, AZ 22.8 mi
85933 Overgaard, AZ 23.2 mi
86024 Happy Jack, AZ 26.0 mi
85554 Young, AZ 26.2 mi
85541 Payson, AZ 26.6 mi
85544 Pine, AZ 32.0 mi
85923 Clay Springs, AZ 33.0 mi
85911 Cibecue, AZ 34.2 mi
85934 Pinedale, AZ 38.6 mi

Find every ZIP code within 10 miles of 85931 →

Questions about this ZIP code

Where is ZIP code 85931?

85931 is in Forest Lakes, Arizona, in Coconino County, part of the Flagstaff, AZ metropolitan area. Its published point location is 34.3700, -110.9156.

What county is 85931 in?

85931 lies in Coconino County.

What time zone is 85931 in?

85931 uses America/Phoenix.

How many people live in 85931?

About 210 people live in ZIP code 85931, in 113 households, at 0.7 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 85931?

$87,852 a year, against $79,964 across Arizona.

What ZIP codes are near 85931?

The closest are 85547 (22.6 mi), 85928 (22.8 mi), 85933 (23.2 mi), 86024 (26 mi) and 85554 (26.2 mi).

Is 85931 a PO Box ZIP code?

85931 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “85931 ZIP Code — Forest Lakes, Arizona (Coconino County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/85931

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