Average GPS coordinates for Chalma Postcode location: 19.311, -98.15. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). Chalma on map:

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Listing cities & postcodes (3):
>> Tlaxcala, 90780 Chalma, Xicohtzinco, GPS coordinates: 19.2681,-98.1417
>> Tlaxcala, 90804 Chalma, Chiautempan, Chiautempan, GPS coordinates: 19.3319,-98.1542
>> Tlaxcala, 90810 Chalma, Chiautempan, GPS coordinates: 19.3319,-98.1542