Cursor phoneCur = contentResolver.query( ContactsContract.CommonDataKinds.Phone.CONTENT_URI,
        null,
        ContactsContract.CommonDataKinds.Phone.CONTACT_ID + " = ?",
        new String[] { id },
        null);

while (phoneCur.moveToNext()) {
    // This would allow you get several email addresses
    String address = phoneCur.getString(phoneCur.getColumnIndex(ContactsContract.CommonDataKinds.Phone.DATA));
    int type = phoneCur.getColumnIndex(ContactsContract.CommonDataKinds.Phone.TYPE);
}
phoneCur.close();