ZIP Code 99116: Coulee Dam, WA
County: Okanogan
Coordinates: 48.03790, -118.94190
ZIP Type: Standard
Time Zone: Pacific Time (PT)
Get a reliable snapshot of the Coulee Dam, WA postal area 99116. This page summarizes county, coordinates, and local facts to help with services and location research.
| Primary City | Coulee Dam |
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| ZIP Code | 99116 |
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| County | Okanogan |
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| State | WA |
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| Latitude / Longitude | 48.03790, -118.94190 |
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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 99116 (not an exact boundary).
Geographic & Administrative Context
The geographic center of ZIP code 99116 is approximately 48.03790 (latitude) and -118.94190 (longitude). This location sits within Okanogan, contributing to regional planning across WA.
Local Coverage Notes
ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 99116 for mail delivery and general location reference in
Okanogan,
WA.
This ZIP may extend beyond the city core into nearby communities within Okanogan.
Related ZIP Codes (Nearby)
Explore other postal codes near Coulee Dam within WA.
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Frequently Asked Questions
What is the primary city for ZIP code 99116?
The primary city for this ZIP code is Coulee Dam, located in WA.
In which county is 99116 located?
ZIP code 99116 is situated within Okanogan, WA.
What are the coordinates for 99116?
The approximate center point is 48.03790 (Latitude) and -118.94190 (Longitude).
Is ZIP code 99116 active?
This page lists ZIP 99116 as Listed based on the latest refresh date shown above.
Does ZIP 99116 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