Average GPS coordinates for postcode 390-840: 36.934, 128.211
Listing cities:
>> Susan-myeon/수산면 390-840, Chungcheongbuk-do/충북, Jecheon-si/제천시, GPS coordinates: 36.93375,128.21105
Listing cities:
>> Susan-myeon/수산면 390-840, Chungcheongbuk-do/충북, Jecheon-si/제천시, GPS coordinates: 36.93375,128.21105