In which county is ZIP code 99301 located?

ZIP 99301 is listed under Franklin, WA.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 99301: Pasco, WA

ZIP: 99301

County: Franklin

Coordinates: 46.24920, -119.10440

ZIP Type: Standard

Time Zone: Pacific Time (PT)

Explore detailed information for ZIP code 99301 in Pasco, WA. We include verified county details for Franklin plus key geographic references used for mapping and logistics.

Primary City	Pasco
ZIP Code	99301
County	Franklin
State	WA
Latitude / Longitude	46.24920, -119.10440
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 99301 (not an exact boundary).

Geographic & Administrative Context

For mapping and verification, 99301 is commonly represented around 46.24920, -119.10440. These coordinates help identify the general area within Franklin, WA.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 99301 for mail delivery and general location reference in Franklin, WA.

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

Related ZIP Codes (Nearby)

Explore other postal codes near Pasco within WA.

Frequently Asked Questions

What is the primary city for ZIP code 99301?

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

In which county is 99301 located?

ZIP code 99301 is situated within Franklin, WA.

What are the coordinates for 99301?

The approximate center point is 46.24920 (Latitude) and -119.10440 (Longitude).

Is ZIP code 99301 active?

This page lists ZIP 99301 as Listed based on the latest refresh date shown above.

Does ZIP 99301 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