Average GPS coordinates for Marlboro Postcode location: 41.606, -73.988. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). Marlboro on map:

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Listing cities & postcodes (1):
>> New York, 12542 Marlboro, Ulster, GPS coordinates: 41.6056,-73.988