Average GPS coordinates for Ypsilanti Postcode location: 42.238, -83.608. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). Ypsilanti on map:

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Listing cities & postcodes (2):
>> Michigan, 48197 Ypsilanti, Washtenaw, GPS coordinates: 42.2325,-83.6336
>> Michigan, 48198 Ypsilanti, Washtenaw, GPS coordinates: 42.2439,-83.583