List of group-0 ISBN publisher codes

A list of publisher codes for (978) International Standard Book Numbers with a group code of zero.

Assignation
The group-0 publisher codes are assigned as follows:

3-digit publisher codes
(Note: the status of codes not listed in this table is unclear; please help fill the gaps.)

4-digit publisher codes
(Note: many codes are not yet listed in this table; please help fill the gaps.)

5-digit publisher codes
(Note: many codes are not yet listed in this table; please help fill the gaps.)

6-digit publisher codes
(Note: many codes are not yet listed in this table; please help fill the gaps.)

7-digit publisher codes
(Note: many codes are not yet listed in this table; please help fill the gaps.)