040 Service Category
Explanatory Note: The 040 service category has been identified by the NAD Management Committee as a spare service category that is reserved for an existing service or to accommodate a future new service. NAD Parties can make recommendations to the Management Committee to designate the 040 service category for a particular service. Prior to using the 040 service category, the NAD Management Committee shall agree rules for the use of the 040 service category and include these in the Number Allocation Rules.