Average GPS coordinates for La Union Postcode location: 18.833, -99.967. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). La Union on map:

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Listing cities & postcodes (4):
>> Mexico, 50040 La Union, Toluca, Toluca de Lerdo, GPS coordinates: 18.8333,-99.9667
>> Mexico, 51607 La Union, Sultepec, GPS coordinates: 18.8333,-99.9667
>> Mexico, 52164 La Union, Metepec, Metepec, GPS coordinates: 18.8333,-99.9667
>> Mexico, 52776 La Union, Huixquilucan, Huixquilucan de Degollado, GPS coordinates: 18.8333,-99.9667