SQL> create table test (address varchar2(200));

Table created.

SQL> insert into test (address)
  2    values
  3   ('Somewhere, Somestate' || chr(10) ||
  4    'Zip code' || chr(10) ||
  5    'Country'
  6   );

1 row created.

SQL> select address from test;

ADDRESS
-------------------------------------------------

Somewhere, Somestate
Zip code
Country


SQL>