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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/98277

98277

ZIP 98277 is in Oak Harbor, Washington, in Island County; area codes 360 and 564; Pacific time. Oak Harbor has 2 ZIP codes; the other is 98278.

Type
Standard
Time zone
America/Los_Angeles
County
Island
Metro area
Oak Harbor, WA
Population
40,917
Coordinates
48.3220, -122.6270
☼ Live from 98277 — Oak Harbor, WA

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Where 98277 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 98277
  • 🔢 Type 98277 into a pocket calculator and turn it upside down: LLZBG — not quite a word, sorry.
  • ➕ As a number, 98,277 = 3 × 17 × 41 × 47. Its digits add up to 33, a total 456 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10111111111100101
  • 🏠 Its numerical neighbours: 98276 (Nooksack, WA, 44 mi away) and 98278 (Oak Harbor, WA, 3 mi away).
  • 🔄 Backwards, 98277 becomes 77289 — and that is a real ZIP code: Houston, TX, 1,920 miles away.
  • 👥 13 other ZIP codes are made of exactly the same digits (27879, 27897, 27978, 28779, 77289, 77982, …). The farthest-flung twin is 27978 in Stumpy Point, NC, 2,515 miles away.
  • 🧭 Farther north than 98% of all ZIP codes, and farther west than 97%.
  • 🎯1,323 miles northwest of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 98277 and you would come out at 48.32°S, 57.37°E — 588 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 16h 06m of daylight. Shortest: 8h 19m.
  • 📏 At 57.3 square miles of land, 98277 is bigger than 63% of ZIP codes — room for about 43 Central Parks.
🌙 The sky over 98277 today
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🌋 Shake report
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Source: USGS.

People and housing

Population40,917This ZIP40,917
Households16,142This ZIP16,142
Housing units17,882This ZIP17,882
Median age34.9This ZIP34.9Washington38.3US 38.9
Median household income$83,253This ZIP$83,253Washington$98,141US $80,734
Median home value$499,600This ZIP$499,600Washington$564,600US $332,700
Median gross rent$1,672This ZIP$1,672Washington$1,760US $1,413
Bachelor's degree or higher27.5%This ZIP27.5%
Mean commute20.1 minThis ZIP20.1 min
Population density714.7 / sq miThis ZIP714.7 / sq mi

Business and tax activity

Business establishments702This ZIP702
Employees6,290This ZIP6,290
Annual payroll$266,400,000This ZIP$266,400,000
Tax returns filed19,010This ZIP19,010
Total adjusted gross income$1,478,876,000This ZIP$1,478,876,000

Land area

Land area57.25 sq miThis ZIP57.25 sq mi
Water area13.88 sq miThis ZIP13.88 sq mi

Other place names in 98277

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

ZIP codes near 98277

ZIPCityDistance
98278 Oak Harbor, WA 2.5 mi
98257 La Conner, WA 7.8 mi
98239 Coupeville, WA 8.6 mi
98221 Anacortes, WA 9.2 mi
98282 Camano Island, WA 9.6 mi
98273 Mount Vernon, WA 12.8 mi
98238 Conway, WA 13.0 mi
98261 Lopez Island, WA 16.2 mi
98292 Stanwood, WA 16.2 mi
98253 Greenbank, WA 16.6 mi

Find every ZIP code within 10 miles of 98277 →

Questions about this ZIP code

Where is ZIP code 98277?

98277 is in Oak Harbor, Washington, in Island County, part of the Oak Harbor, WA micropolitan area. Its published point location is 48.3220, -122.6270.

What county is 98277 in?

98277 lies in Island County.

What area code is 98277?

Oak Harbor uses area codes 360 and 564, from NANPA's telephone records.

What time zone is 98277 in?

98277 uses America/Los_Angeles.

How many people live in 98277?

About 40,917 people live in ZIP code 98277, in 16,142 households, at 714.7 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 98277?

$83,253 a year, against $98,141 across Washington.

What ZIP codes are near 98277?

The closest are 98278 (2.5 mi), 98257 (7.8 mi), 98239 (8.6 mi), 98221 (9.2 mi) and 98282 (9.6 mi).

Is 98277 a PO Box ZIP code?

98277 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “98277 ZIP Code — Oak Harbor, Washington (Island County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/98277

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