Grand Coulee Zip Code

The location Grand Coulee, WA has been assigned with the 99133 as the only ZIP Code. Check the map below to see the approximate zone for this Postal Code. To zoom the map, click the "load map" button.

Zip Code : 99133

State: Washington

County: Grant

Coordinates: 47.938500, -118.997800

Grand Coulee Map

Grand Coulee ZIP Code: 99133

The ZIP code for Grand Coulee is 99133. ZIP codes play a crucial role in ensuring that mail, packages, invoices, and other deliveries reach their destinations accurately and efficiently. Each district in Grand Coulee has a unique ZIP code, a system that also applies to other cities in United States. United States ZIP codes generally consist of 6 digits, with the first two digits representing the city and the remaining digits designating the delivery area. For example, Grand Coulee’s ZIP code is 99133.

Including the correct ZIP code when sending mail or packages to Grand Coulee ensures faster and more accurate delivery. ZIP codes help organize and streamline postal traffic, enabling efficient sorting and routing of mail and packages.

Why ZIP Codes Are Important in Grand Coulee

The main purpose of ZIP codes, including the one for Grand Coulee, is to ensure that mail and packages reach the correct address. Without a ZIP code, there is a risk of confusion, especially in cases where a district shares its name with another in a different city or province. The unique ZIP code for Grand Coulee eliminates such mix-ups, ensuring reliable deliveries.

In addition to aiding postal accuracy, ZIP codes also help sort packages based on their destination, saving time and reducing human error in the logistics process.

How to Look Up Grand Coulee ZIP Code

You can easily find Grand Coulee’s ZIP code on our website. Simply select "Grand Coulee" from the city dropdown menu, choose the district or neighborhood you want, and get the updated and accurate ZIP code information. Our data is sourced directly from United States’s postal service, ensuring reliability.

Grand Coulee ZIP Code for 2025

Our website provides the most up-to-date information on Grand Coulee’s ZIP codes. To find the ZIP code for a specific area in Grand Coulee, visit the ZIP code search section on our homepage and navigate to the Grand Coulee district for the latest details.

General Information About ZIP Codes

For detailed ZIP code information for other cities in United States, you can explore our website and select the desired city from the list at the bottom of the page.

Grand Coulee’s ZIP code 99133 is an essential part of the address system, ensuring accurate and efficient delivery of mail, packages, and other items. Whether you’re sending something to Grand Coulee or looking for postal information, our website offers a reliable and user-friendly solution.