ZIP Codes in Bellingham, WA
Bellingham uses 3 ZIP codes, all in Whatcom County. Pick one below for details, or look up the full nine-digit ZIP+4 for a specific street address.
All 3 Bellingham ZIP codes
| ZIP | Type | County | Population |
|---|---|---|---|
| 98225 | standard | Whatcom | 50,216 |
| 98226 | standard | Whatcom | 46,782 |
| 98229 | standard | Whatcom | 33,298 |
Finding a ZIP+4 in Bellingham
Knowing which of these 3 ZIP codes covers an address only gets you partway. The four-digit extension identifies the specific delivery point — typically one side of one block. Two houses facing each other on the same Bellingham street almost always have different ZIP+4 codes even though they share all five leading digits.
Appending ZIP+4 to a mailing list?
Upload a CSV of Bellingham addresses and download it complete.