Average GPS coordinates for Koyama Postcode location: 35.901, 139.57. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). Koyama on map:
Listing cities & postcodes (2):
>> Saitamaken, 340-0045 Koyama, Soukashi, GPS coordinates: 35.838,139.7818
>> Saitamaken, 350-0257 Koyama, Sakadoshi, GPS coordinates: 35.9649,139.3584
Listing cities & postcodes (2):
>> Saitamaken, 340-0045 Koyama, Soukashi, GPS coordinates: 35.838,139.7818
>> Saitamaken, 350-0257 Koyama, Sakadoshi, GPS coordinates: 35.9649,139.3584