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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/98370

98370

ZIP 98370 is Poulsbo, Washington, in Kitsap County; area codes 360 and 564; Pacific time.

Type
Standard
Time zone
America/Los_Angeles
County
Kitsap
Population
33,655
Coordinates
47.7540, -122.6263
☼ Live from 98370 — Poulsbo, WA

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Local time: —

Where 98370 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 98370
  • 🔢 Type 98370 into a pocket calculator and turn it upside down: OLEBG — not quite a word, sorry.
  • ➕ As a number, 98,370 = 2 × 3 × 3 × 5 × 1093. Its digits add up to 27, a total 1,806 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 11000000001000010
  • 🏠 Its numerical neighbours: 98368 (Port Townsend, WA, 22 mi away) and 98371 (Puyallup, WA, 41 mi away).
  • 🔄 Backwards, 98370 becomes 07389, which is not a ZIP code at all.
  • 👥 35 other ZIP codes are made of exactly the same digits (03897, 07839, 07938, 08739, 09738, 09837, …). The farthest-flung twin is 09873 in APO AA, a military post office, 7,388 miles away.
  • 🧭 Farther north than 97% of all ZIP codes, and farther west than 97%.
  • 🎯1,311 miles northwest of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 98370 and you would come out at 47.75°S, 57.37°E — 597 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 16h 01m of daylight. Shortest: 8h 24m.
  • 📏 At 56.3 square miles of land, 98370 is bigger than 63% of ZIP codes — room for about 43 Central Parks.
🌙 The sky over 98370 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population33,655This ZIP33,655
Households13,501This ZIP13,501
Housing units14,116This ZIP14,116
Median age44.4This ZIP44.4Washington38.3US 38.9
Median household income$116,756This ZIP$116,756Washington$98,141US $80,734
Median home value$628,600This ZIP$628,600Washington$564,600US $332,700
Median gross rent$1,852This ZIP$1,852Washington$1,760US $1,413
Bachelor's degree or higher46.0%This ZIP46.0%
Mean commute28.5 minThis ZIP28.5 min
Population density597.5 / sq miThis ZIP597.5 / sq mi

Business and tax activity

Business establishments1,023This ZIP1,023
Employees8,978This ZIP8,978
Annual payroll$448,579,000This ZIP$448,579,000
Tax returns filed15,950This ZIP15,950
Total adjusted gross income$1,687,814,000This ZIP$1,687,814,000

Land area

Land area56.32 sq miThis ZIP56.32 sq mi
Water area9.67 sq miThis ZIP9.67 sq mi

Other place names in 98370

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

ZIP codes near 98370

ZIPCityDistance
98392 Suquamish, WA 3.2 mi
98345 Keyport, WA 3.7 mi
98315 Silverdale, WA 4.6 mi
98342 Indianola, WA 5.3 mi
98061 Rollingbay, WA 5.6 mi
98346 Kingston, WA 6.8 mi
98364 Port Gamble, WA 7.2 mi
98383 Silverdale, WA 7.6 mi
98110 Bainbridge Island, WA 8.5 mi
98311 Bremerton, WA 8.8 mi

Find every ZIP code within 10 miles of 98370 →

Questions about this ZIP code

Where is ZIP code 98370?

98370 is in Poulsbo, Washington, in Kitsap County, part of the Bremerton-Silverdale-Port Orchard, WA metropolitan area. Its published point location is 47.7540, -122.6263.

What county is 98370 in?

98370 lies in Kitsap County.

What area code is 98370?

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

What time zone is 98370 in?

98370 uses America/Los_Angeles.

How many people live in 98370?

About 33,655 people live in ZIP code 98370, in 13,501 households, at 597.5 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 98370?

$116,756 a year, against $98,141 across Washington.

What ZIP codes are near 98370?

The closest are 98392 (3.2 mi), 98345 (3.7 mi), 98315 (4.6 mi), 98342 (5.3 mi) and 98061 (5.6 mi).

Is 98370 a PO Box ZIP code?

98370 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “98370 ZIP Code — Poulsbo, Washington (Kitsap County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/98370

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