ZIP Code 98603: Ariel, WA
County: Cowlitz
Coordinates: 45.99520, -122.46770
ZIP Type: Standard
Time Zone: Pacific Time (PT)
This profile provides an in-depth look at ZIP code 98603, serving Ariel in WA. It lies in Cowlitz and supports delivery, planning, and address verification.
| Primary City | Ariel |
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| ZIP Code | 98603 |
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| County | Cowlitz |
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| State | WA |
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| Latitude / Longitude | 45.99520, -122.46770 |
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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 98603 (not an exact boundary).
Geographic & Administrative Context
Coordinates for 98603 are listed as 45.99520 / -122.46770, useful for GPS and service checks in and around Ariel, WA.
Local Coverage Notes
ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 98603 for mail delivery and general location reference in
Cowlitz,
WA.
This ZIP may extend beyond the city core into nearby communities within Cowlitz.
Related ZIP Codes (Nearby)
Explore other postal codes near Ariel within WA.
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Frequently Asked Questions
What is the primary city for ZIP code 98603?
The primary city for this ZIP code is Ariel, located in WA.
In which county is 98603 located?
ZIP code 98603 is situated within Cowlitz, WA.
What are the coordinates for 98603?
The approximate center point is 45.99520 (Latitude) and -122.46770 (Longitude).
Is ZIP code 98603 active?
This page lists ZIP 98603 as Listed based on the latest refresh date shown above.
Does ZIP 98603 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