Bellingham, WA ZIP Codes
Bellingham, Washington has 5 ZIP codes: 3 for street addresses (, and ) and 2 for PO boxes ( and ).
Your street decides which one you use.
Which Bellingham ZIP code is my address in?
Street ranges from the Census Bureau, 2026. PO box and organization ZIP codes are not found by street. A new street may be missing: address not found?
Bellingham ZIP code map
Tap or point to an area to see its ZIP code.Full-size map
98227 and 98228 have no area on the map: they are PO box or single-organization ZIP codes. Dashed line: Bellingham city limits.
Map: Census Bureau ZIP Code Tabulation Areas (2020) and place limits (2024).
All Bellingham ZIP codes by type
| ZIP | Type and post office or station |
|---|---|
| 98225 | street delivery Bellingham |
| 98226 | street delivery Mount Baker |
| 98227 | PO boxes at the Bellingham post office Bellingham |
| 98228 | PO boxes at the Mount Baker post office Mount Baker |
| 98229 | street delivery Mount Baker |
Why your mail may say Bellingham when you live outside it
Bellingham ZIP codes also cover Marietta-Alderwood, Sudden Valley and Geneva, so a letter addressed to Bellingham can go to a home outside the city limits.
A ZIP code does not set your city, school district or tax. Whatcom County property records show which city you are in.
Bellingham ZIP code questions
What is the main ZIP code for Bellingham?
98225, the ZIP code of the main Bellingham post office at 315 Prospect St.
Which Bellingham ZIP codes are for PO boxes only?
98227 and 98228. Mail to them goes to boxes at the post office, not to street addresses.
What county is Bellingham in?
Whatcom County.
ZIP codes for towns near Bellingham
More towns near Bellingham: Bothell, Shoreline, Kirkland, Redmond, Seattle, Bellevue, Sammamish, Bremerton, Issaquah.
Sources and last checked
USPS ZIP Locale Detail (October 1, 2026), GeoNames (CC BY 4.0), U.S. Census Bureau, HUD-USPS crosswalk.
Checked October 20, 2026. Sources · How we build our lists · Corrections