Average GPS coordinates for Guilderland Postcode location: 42.697, -73.898. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). Guilderland on map:

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Listing cities & postcodes (1):
>> New York, 12084 Guilderland, Albany, GPS coordinates: 42.6973,-73.8975