Average GPS coordinates for Grosse Pointe Postcode location: 42.406, -82.912. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). Grosse Pointe on map:

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Listing cities & postcodes (2):
>> Michigan, 48230 Grosse Pointe, Wayne, GPS coordinates: 42.3847,-82.9244
>> Michigan, 48236 Grosse Pointe, Wayne, GPS coordinates: 42.4274,-82.9002