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Class 6399 - Other information service activities, n.e.c.

PSIC Class 6399 covers Other information service activities, n.e.c.. Current child subclasses include Other Information Service Activities, n.e.c.. This four-digit layer is useful when comparing neighboring activities...

Level Class
Hierarchy depth 4/5
Children 1
Last verified 2026-05-12
About this level

Practical summary

Class 6399 sits in the PSIC 2019 hierarchy under J Information and Communication > 63 Information Service Activities > 639 Other information service activities. This class usually fans out into more specific subclasses such as Other Information Service Activities, n.e.c.. It is the level people use when they already know the activity family but still need the exact five-digit match.

Administrative context

Where this code is used

This class is used when a business can already narrow the activity family and only needs to compare the final subclasses such as Other Information Service Activities, n.e.c.. It is the level most often checked before a five-digit decision is finalized.

Selection note

How to choose it

Use this class to choose between its final subclasses such as Other Information Service Activities, n.e.c.. If two options look close, compare the exact activity, the outputs and the way the business actually earns revenue.

Official note

Source-backed description

This class includes other information service activities not elsewhere classified such as: telephone base information services; information search services on a contract or fee basis; news clipping services, press clipping services, etc. This class excludes activities of call centers, see 8221.

FAQ

What does PSIC Class 6399 cover?

PSIC Class 6399 is the four-digit layer that sits just above the final subclasses and usually defines the activity family for Other information service activities, n.e.c..

How do I compare Class 6399 with the sibling classes?

Read the neighboring classes and compare the exact wording of the child subclasses. Nearby options include 6391 News agency activities.

Why does Class 6399 matter for a filing decision?

It is usually the last broad checkpoint before the five-digit subclass choice, so it is the right place to catch near-miss classifications.