ZIP Code 98121: Seattle, WA
County: King County
Coordinates: 47.61510, -122.34470
ZIP Type: Standard
Time Zone: Pacific Time (PT)
This profile provides an in-depth look at ZIP code 98121, serving Seattle in WA. It lies in King County and supports delivery, planning, and address verification.
| Primary City | Seattle |
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| ZIP Code | 98121 |
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| County | King County |
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| State | WA |
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| Latitude / Longitude | 47.61510, -122.34470 |
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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
Open in Maps:
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OpenStreetMap
These links show the approximate center point for ZIP 98121 (not an exact boundary).
Geographic & Administrative Context
Coordinates for 98121 are listed as 47.61510 / -122.34470, useful for GPS and service checks in and around Seattle, WA.
Local Coverage Notes
ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 98121 for mail delivery and general location reference in
King County,
WA.
Coverage may include nearby neighborhoods and adjacent unincorporated areas commonly associated with Seattle.
Related ZIP Codes (Nearby)
Explore other postal codes near Seattle within WA.
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Frequently Asked Questions
What is the primary city for ZIP code 98121?
The primary city for this ZIP code is Seattle, located in WA.
In which county is 98121 located?
ZIP code 98121 is situated within King County, WA.
What are the coordinates for 98121?
The approximate center point is 47.61510 (Latitude) and -122.34470 (Longitude).
Is ZIP code 98121 active?
This page lists ZIP 98121 as Listed based on the latest refresh date shown above.
Does ZIP 98121 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