STD Code of Una-diu (Gujarat) By Sweta Thakor | November 21, 2020 0 Comment Una-diu City Gujarat STD Code – Get the STD or Telephone Dial Code of Una-diu (GUJARAT). STD Code for Una-diu, Gujarat – 02875. Una-diu STD Code LocationSTD CodeState Una-diu02875Gujarat Una-diu STD Code - Get the STD or Telephone Dial Code of Una-diu (GUJARAT). tweet