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 — CITY/WA/BIRCH-BAY

Birch Bay ZIP codes, Washington

No ZIP code is named for Birch Bay, WA; addresses there use a neighbouring town's name. 2 ZIP codes cover it: 98248 and 98230. Its area codes are 360 and 564.

USPS city name
0 ZIP codes
Overlapping the city
2 more
Population
10,837
Area codes
360, 564

NANPA lists no telephone rate centre for Birch Bay itself, so these are the area codes of the nearest one, Point Roberts (16.2 miles). A town on an area-code boundary can differ from its neighbour.

Birch Bay in numbers

About 10,837 people live in Birch Bay, in 4,661 households. The median household income is $86,854 a year, 12% below the Washington median of $98,141 (US: $80,734). The median owner-occupied home is valued at $477,200 (15% below the Washington median), and median gross rent is $1,222 a month. The median age is 44.6; 32.0% of adults 25 and over hold a bachelor's degree or higher (39.6% across Washington); the average commute takes 26 minutes.

Population10,837Birch Bay10,837
Households4,661Birch Bay4,661
Median age44.6Birch Bay44.6Washington38.3US 38.9
Median household income$86,854Birch Bay$86,854Washington$98,141US $80,734
Median home value$477,200Birch Bay$477,200Washington$564,600US $332,700
Median gross rent$1,222Birch Bay$1,222Washington$1,760US $1,413
Bachelor's degree or higher32.0%Birch Bay32.0%Washington39.6%US 35.7%
Mean commute26.4 minBirch Bay26.4 minWashington26.6 minUS 26.4 min
Population density634 / sq miBirch Bay634 / sq mi

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, for the census place Birch Bay CDP. Survey estimates carry margins of error, wider for small places. Sources and methods.

ZIP codes covering Birch Bay

These ZIP codes cover part of Birch Bay but are addressed as somewhere else.

ZIP codes overlapping Birch Bay
ZIP City Type Population Median income Median home
98230 Blaine , WA Standard 18,744 $86,623 $499,800
98248 Ferndale , WA Standard 28,498 $91,060 $589,600

Map of Birch Bay ZIP codes

9823098248

The ZIP codes of Birch Bay, WA, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.

Towns near Birch Bay

The nearest larger towns are Ferndale (15,999 people, 8.5 mi), Lynden (16,234 people, 13 mi) and Bellingham (93,438 people, 17 mi).

Towns near Birch Bay
TownPopulationDistance
Blaine 6,100 4.4 mi
Ferndale 15,999 8.5 mi
Marietta-Alderwood 3,754 12.7 mi
Lynden 16,234 13.3 mi
Bellingham 93,438 17.2 mi
Everson 3,040 17.8 mi
Sudden Valley 6,084 22.9 mi
Peaceful Valley 2,858 27.2 mi
Friday Harbor 2,728 29.7 mi

More nearby: every ZIP code in Whatcom County · Washington ZIP codes

Cite this page

zipcodes.pro. “Birch Bay, WA ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/wa/birch-bay

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