Birch Bay zip code
Zip code in Birch Bay, WA
The location Birch Bay belongs to Whatcom County, state of Washington. Birch Bay has been assigned with the zip code 98230.
The location name Birch Bay is listed as unacceptable by the US Postal Service so any mailing should avoid it. Instead you can use Blaine, the official name of the location.
| Zip code | Type | Population |
|---|---|---|
| 98230 | STANDARD | 16,090 |
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