In which county is ZIP code 98643 located?

ZIP 98643 is listed under Wahkiakum, WA.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 98643: Rosburg, WA

ZIP: 98643

County: Wahkiakum

Coordinates: 46.30710, -123.65710

ZIP Type: Standard

Time Zone: Pacific Time (PT)

Get a reliable snapshot of the Rosburg, WA postal area 98643. This page summarizes county, coordinates, and local facts to help with services and location research.

Primary City	Rosburg
ZIP Code	98643
County	Wahkiakum
State	WA
Latitude / Longitude	46.30710, -123.65710
ZIP Type	Standard
Time Zone	Pacific Time (PT)
Data Updated	2026-01-08

Maps & Useful Links

Open in Maps: Google Maps · OpenStreetMap

These links show the approximate center point for ZIP 98643 (not an exact boundary).

Geographic & Administrative Context

For mapping and verification, 98643 is commonly represented around 46.30710, -123.65710. These coordinates help identify the general area within Wahkiakum, WA.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 98643 for mail delivery and general location reference in Wahkiakum, WA.

Coverage may include nearby neighborhoods and adjacent unincorporated areas commonly associated with Rosburg.

Related ZIP Codes (Nearby)

Explore other postal codes near Rosburg within WA.

Frequently Asked Questions

What is the primary city for ZIP code 98643?

The primary city for this ZIP code is Rosburg, located in WA.

In which county is 98643 located?

ZIP code 98643 is situated within Wahkiakum, WA.

What are the coordinates for 98643?

The approximate center point is 46.30710 (Latitude) and -123.65710 (Longitude).

Is ZIP code 98643 active?

This page lists ZIP 98643 as Listed based on the latest refresh date shown above.

Does ZIP 98643 cover multiple areas?

Yes. Many ZIP codes cover multiple neighborhoods or nearby areas. For exact boundaries, use official mapping tools.

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