Reduce the list, select first 2 letters of the city:
Listing cities (27 place(s)). Select the City to see the postcode(s):
Listing cities (27 place(s)). Select the City to see the postcode(s):
Position: Postcodes > Bulgaria > Смолян / Smoljan > S.... >
Postcode finder: Bulgaria, List of the cities starting with S. Bulgaria Смолян / Smoljan Postcodes (Desktop version).