Voter Number & Polling Center Address by Mobile From 25 April you can find/see the Voter Number and Polling Center Address by mobile as announced by EC. Here is the process. How to get Smart National Identification Card [NID] 17 Digit National ID Holder: Write ' PC <space> 17 Digit National ID ' and  send it to 16103 Example: PC 19901234567895214 and send it to 16103