If you are adding one or more service numbers to an existing service number block, the Add Additional Service Numbers Wizard guides you through the following set of windows:
Select Inventories window.
Select Inventory Groups window.
Add Additional Service Numbers window.

Select Add 10-digit service numbers.
Add the number range for the new Service Number Block.
Select the Add these service numbers to a block check box.
Note
If you accessed the Add Additional Service Numbers Wizard from the Service Number Blocks window, this section is pre-populated with the selected NPANXX / X information. You only need add the appropriate number range information.
Click Next.
If one or more of the service numbers you are adding already exists within the block, a message is displayed.

Click No to return to the Add Additional Service Numbers window and modify your request.
Click Yes to continue to display the Blocked Service Number Information window.

Enter the required information as described below:
Inventory Status
Select the appropriate inventory status from the drop-down list:
Administrative
Available
Intermediate
Not Available
Default = Available.
NRUF Category
Category to use for NRUF reporting.
If the selected Inventory Status is:
Administrative, this field is set to Administrative.
Available, this field is set to Available.
Intermediate, this field is set to Intermediate.
Not Available, this field is set to Do Not Report.
NRUF Sub-Category
Sub-category for NRUF reporting.
Select the desired NRUF sub-category from the list.
Available Date
Date the service number(s) became available.
If the selected Inventory Status is Available, this field is set to the current date and cannot be modified.
If the selected Inventory Status is Not Available, select the date the new service number(s) will be available for assignment.
This field is disabled for all other Inventory Statuses.
Ported To
Indicates the carrier the service number(s) were given to, if applicable.
Select that carrier from the list.
Notes
Enter any additional information and/or comments regarding this new service number/range of service numbers.
Click Next. This displays the Confirm New Service Numbers message.
Verify the information that is displayed.
If the information is not correct, click Back to move back through the windows and enter the correct information.
If the information is correct, click Finish to submit your request.
This closes the wizard and displays the Service Number Search results window which lists the service number inventory information for each service number/inventory group combination in the service number block including the ones you just added.
Note
The Service Number Block must be updated before the quantity of service numbers are displayed in the Service Number Block Search Results window.