Reduce the list, select first 2 letters of the city:
Listing cities (58 place(s)). Select the City to see the postcode(s):
Listing cities (58 place(s)). Select the City to see the postcode(s):
Position: Postcodes > South Korea > Jeollanam-do/전남 > G.... >
Postcode finder: South Korea, List of the cities starting with G. South Korea Jeollanam-do/전남 Postcodes (Desktop version).