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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/99123

99123

ZIP 99123 is Electric City, Washington, in Grant County; area code 509; Pacific time.

Type
Standard
Time zone
America/Los_Angeles
County
Grant
Metro area
Moses Lake, WA
Population
977
Coordinates
47.8865, -119.0548
☼ Live from 99123 — Electric City, WA

Weather right now

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NEXRAD radar
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Local time: —

Where 99123 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 99123
  • 🔢 Type 99123 into a pocket calculator and turn it upside down: EZIGG — not quite a word, sorry.
  • ➕ As a number, 99,123 = 3 × 19 × 37 × 47. Its digits add up to 24, a total 2,425 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 11000001100110011
  • 🏠 Its numerical neighbours: 99122 (Davenport, WA, 42 mi away) and 99124 (Elmer City, WA, 9 mi away).
  • 🔄 Backwards, 99123 becomes 32199, which is not a ZIP code at all.
  • 👥 20 other ZIP codes are made of exactly the same digits (12939, 12993, 23919, 29319, 29913, 29931, …). The farthest-flung twin is 32919 in Melbourne, FL, 2,463 miles away.
  • 🧭 Farther north than 97% of all ZIP codes, and farther west than 93%.
  • 🎯1,157 miles northwest of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 99123 and you would come out at 47.89°S, 60.95°E — 435 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 16h 02m of daylight. Shortest: 8h 23m.
  • 📏 At 20.0 square miles of land, 99123 is bigger than 37% of ZIP codes — room for about 15 Central Parks.
🌙 The sky over 99123 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population977This ZIP977
Households443This ZIP443
Housing units516This ZIP516
Median age54.2This ZIP54.2Washington38.3US 38.9
Median household income$87,841This ZIP$87,841Washington$98,141US $80,734
Median home value$245,600This ZIP$245,600Washington$564,600US $332,700
Median gross rent$1,095This ZIP$1,095Washington$1,760US $1,413
Bachelor's degree or higher28.6%This ZIP28.6%
Mean commute15.4 minThis ZIP15.4 min
Population density48.8 / sq miThis ZIP48.8 / sq mi

Business and tax activity

Business establishments19This ZIP19
Employees59This ZIP59
Annual payroll$2,348,000This ZIP$2,348,000
Tax returns filed500This ZIP500
Total adjusted gross income$39,782,000This ZIP$39,782,000

Land area

Land area20.04 sq miThis ZIP20.04 sq mi
Water area2.05 sq miThis ZIP2.05 sq mi

Other place names in 99123

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

ZIP codes near 99123

ZIPCityDistance
99124 Elmer City, WA 9.2 mi
99133 Grand Coulee, WA 9.3 mi
99116 Coulee Dam, WA 10.4 mi
99103 Almira, WA 12.0 mi
99135 Hartline, WA 15.7 mi
99185 Wilbur, WA 19.4 mi
99115 Coulee City, WA 21.0 mi
98830 Mansfield, WA 22.2 mi
99140 Keller, WA 24.5 mi
98813 Bridgeport, WA 27.3 mi

Find every ZIP code within 10 miles of 99123 →

Questions about this ZIP code

Where is ZIP code 99123?

99123 is in Electric City, Washington, in Grant County, part of the Moses Lake, WA micropolitan area. Its published point location is 47.8865, -119.0548.

What county is 99123 in?

99123 lies in Grant County.

What area code is 99123?

Electric City uses area code 509, from NANPA's telephone records.

What time zone is 99123 in?

99123 uses America/Los_Angeles.

How many people live in 99123?

About 977 people live in ZIP code 99123, in 443 households, at 48.8 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 99123?

$87,841 a year, against $98,141 across Washington.

What ZIP codes are near 99123?

The closest are 99124 (9.2 mi), 99133 (9.3 mi), 99116 (10.4 mi), 99103 (12 mi) and 99135 (15.7 mi).

Is 99123 a PO Box ZIP code?

99123 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “99123 ZIP Code — Electric City, Washington (Grant County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/99123

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