ZIP Code 98231: Blaine, WA
County: Whatcom County
Coordinates: 48.99370, -122.74710
ZIP Type: Standard
Time Zone: Pacific Time (PT)
This profile provides an in-depth look at ZIP code 98231, serving Blaine in WA. It lies in Whatcom County and supports delivery, planning, and address verification.
| Primary City | Blaine |
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| ZIP Code | 98231 |
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| County | Whatcom County |
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| State | WA |
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| Latitude / Longitude | 48.99370, -122.74710 |
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| ZIP Type | Standard |
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| Time Zone | Pacific Time (PT) |
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| Data Updated | 2026-01-08 |
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Maps & Useful Links
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These links show the approximate center point for ZIP 98231 (not an exact boundary).
Geographic & Administrative Context
For mapping and verification, 98231 is commonly represented around 48.99370, -122.74710. These coordinates help identify the general area within Whatcom County, WA.
Local Coverage Notes
ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 98231 for mail delivery and general location reference in
Whatcom County,
WA.
This ZIP may extend beyond the city core into nearby communities within Whatcom County.
Related ZIP Codes (Nearby)
Explore other postal codes near Blaine within WA.
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Frequently Asked Questions
What is the primary city for ZIP code 98231?
The primary city for this ZIP code is Blaine, located in WA.
In which county is 98231 located?
ZIP code 98231 is situated within Whatcom County, WA.
What are the coordinates for 98231?
The approximate center point is 48.99370 (Latitude) and -122.74710 (Longitude).
Is ZIP code 98231 active?
This page lists ZIP 98231 as Listed based on the latest refresh date shown above.
Does ZIP 98231 cover multiple areas?
Yes. Many ZIP codes cover multiple neighborhoods or nearby areas. For exact boundaries, use official mapping tools.
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Methodology & Data Notes
How we build this page: We generate this page from a structured ZIP dataset and refresh key fields (city, county, and coordinates) during scheduled updates. Coordinates represent an approximate center point, not an official boundary map.
Sources: Public ZIP reference datasets and geographic coordinate references. If you use specific sources (e.g., USPS, Census), list them on your About/Methodology page.
Page updated: 2026-01-08