Average GPS coordinates for Grand Blanc Postcode location: 42.923, -83.622. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). Grand Blanc on map:

---

Listing cities & postcodes (2):
>> Michigan, 48439 Grand Blanc, Genesee, GPS coordinates: 42.9282,-83.6264
>> Michigan, 48480 Grand Blanc, Genesee County, GPS coordinates: 42.918,-83.617