Average GPS coordinates for Utica Postcode location: 42.668, -83.002. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). Utica on map:

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Listing cities & postcodes (4):
>> Michigan, 48315 Utica, Macomb, GPS coordinates: 42.671,-82.9988
>> Michigan, 48316 Utica, Macomb, GPS coordinates: 42.6885,-83.0548
>> Michigan, 48317 Utica, Macomb, GPS coordinates: 42.6413,-83.0504
>> Michigan, 48318 Utica, Macomb, GPS coordinates: 42.6723,-82.9031