Average GPS coordinates for postcode 171840: 57.879, 34.993
Listing cities:
>> Удомля/Udomlya 171840, Тверская Область/Tverskaya Oblast, GPS coordinates: 57.8794,34.9925
Listing cities:
>> Удомля/Udomlya 171840, Тверская Область/Tverskaya Oblast, GPS coordinates: 57.8794,34.9925