Average GPS coordinates for Katy Postcode location: 29.809, -95.666. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). Katy on map:

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Listing cities & postcodes (6):
>> Texas, 77449 Katy, Harris, GPS coordinates: 29.8323,-95.736
>> Texas, 77450 Katy, Harris, GPS coordinates: 29.745,-95.7326
>> Texas, 77491 Katy, Harris, GPS coordinates: 29.834,-95.4342
>> Texas, 77492 Katy, Harris, GPS coordinates: 29.834,-95.4342
>> Texas, 77493 Katy, Harris, GPS coordinates: 29.8678,-95.8298
>> Texas, 77494 Katy, Harris, GPS coordinates: 29.7404,-95.8304