How to fetch own mobile number in android [duplicate]

Answer 1

Try the following code:

TelephonyManager mTelephonyMgr =
(TelephonyManager)context.getSystemService(Context.TELEPHONY_SERVICE);

String sDeviceID = mTelephonyMgr.getDeviceId();
String sSimSerial = mTelephonyMgr.getSimSerialNumber(); 

Set the following permission

android.permission.READ_PHONE_STATE in Android Manifest file