Abstract: A home location register includes a plurality of number profiles, portions of which are segregated into a first number set and a second number set. Portions of a plurality of server applications are segregated into a first application set and a second application set. A first user is allowed access to the first application set and prevented access to the second application set. A second user is allowed access to the second application set and prevented access to the first application set. Association is maintained between the first number set and the first application set. Association is prevented between the first number set and the second application set. Association is maintained between the second number set and the second application set. Association is prevented between the second number set and the first application set.