Pincode 621203 have been assigned to 4 locations.

Arasalur , Balasamudram (Tiruchirappalli), Musiri
Balasamudram (Tiruchirappalli), Srirangam , Thottiyam
M.Puthur , Balasamudram (Tiruchirappalli), Musiri
Thirunarayanapuram , Balasamudram (Tiruchirappalli), Musiri