Average GPS coordinates for Mattawa Postcode location: 46.731, -119.778. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). Mattawa on map:
Listing cities & postcodes (1):
>> Washington, 99349 Mattawa, Grant, GPS coordinates: 46.731,-119.7783
Listing cities & postcodes (1):
>> Washington, 99349 Mattawa, Grant, GPS coordinates: 46.731,-119.7783