Average GPS coordinates for Pontiac Postcode location: 42.65, -83.315. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). Pontiac on map:

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Listing cities & postcodes (4):
>> Michigan, 48340 Pontiac, Oakland, GPS coordinates: 42.668,-83.2893
>> Michigan, 48341 Pontiac, Oakland, GPS coordinates: 42.6294,-83.3041
>> Michigan, 48342 Pontiac, Oakland, GPS coordinates: 42.6439,-83.2792
>> Michigan, 48343 Pontiac, Oakland, GPS coordinates: 42.6601,-83.3863