Average GPS coordinates for Clayton Postcode location: 37.915, -121.91. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). Clayton on map:
Listing cities & postcodes (1):
>> California, 94517 Clayton, Contra Costa, GPS coordinates: 37.9154,-121.91
Listing cities & postcodes (1):
>> California, 94517 Clayton, Contra Costa, GPS coordinates: 37.9154,-121.91