User Without Tablespace

I have come across a small incident in oracle. I have user that exists on the database and is open but user's tablespace is not listed under v$tablespace.

SQL> select * from v$version;

BANNER
----------------------------------------------------------------
Oracle9i Enterprise Edition Release 9.0.1.4.0 - 64bit Production
PL/SQL Release 9.0.1.4.0 - Production
CORE 9.0.1.2.0 Production
TNS for Solaris: Version 9.0.1.4.0 - Production
NLSRTL Version 9.0.1.4.0 - Production

SQL> select USERNAME, ACCOUNT_STATUS, DEFAULT_TABLESPACE, TEMPORARY_TABLESPACE from dba_users where username ='METERING';

USERNAME ACCOUNT_STATUS DEFAULT_TABLESPACE TEMPORARY_TABLESPACE
------------------------------ -------------------------------- ------------------------------ ------------------------------
XYZ OPEN TS_DATA1 TS_TEMP

SQL> select name from v$tablespace;

NAME
------------------------------
SYSTEM
TS_TEMP
STATSPACK_DATA
RBS
INDX
DATA

6 rows selected.