In which county is ZIP code 98651 located?

ZIP 98651 is listed under Skamania, WA.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 98651: Underwood, WA

ZIP: 98651

County: Skamania

Coordinates: 45.74090, -121.59740

ZIP Type: Standard

Time Zone: Pacific Time (PT)

Get a reliable snapshot of the Underwood, WA postal area 98651. This page summarizes county, coordinates, and local facts to help with services and location research.

Primary City	Underwood
ZIP Code	98651
County	Skamania
State	WA
Latitude / Longitude	45.74090, -121.59740
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 98651 (not an exact boundary).

Geographic & Administrative Context

Coordinates for 98651 are listed as 45.74090 / -121.59740, useful for GPS and service checks in and around Underwood, WA.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 98651 for mail delivery and general location reference in Skamania, WA.

This ZIP may extend beyond the city core into nearby communities within Skamania.

Related ZIP Codes (Nearby)

Explore other postal codes near Underwood within WA.

Frequently Asked Questions

What is the primary city for ZIP code 98651?

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

In which county is 98651 located?

ZIP code 98651 is situated within Skamania, WA.

What are the coordinates for 98651?

The approximate center point is 45.74090 (Latitude) and -121.59740 (Longitude).

Is ZIP code 98651 active?

This page lists ZIP 98651 as Listed based on the latest refresh date shown above.

Does ZIP 98651 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