Average GPS coordinates for San Lucas Postcode location: 20.467, -99.45. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). San Lucas on map:

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Listing cities & postcodes (1):
>> Hidalgo, 42399 San Lucas, Alfajayucan, GPS coordinates: 20.4667,-99.45