--- title: "Adding Service Numbers to an Existing Service Number Block" slug: "adding-service-numbers-to-an-existing-service-number-block" updated: 2026-08-10T20:22:58Z published: 2026-08-10T20:22:58Z canonical: "help.idibilling.com/adding-service-numbers-to-an-existing-service-number-block" --- > ## Documentation Index > Fetch the complete documentation index at: https://help.idibilling.com/llms.txt > Use this file to discover all available pages before exploring further. # Adding Service Numbers to an Existing Service Number Block 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: 1. **Select Inventories** window. 2. **Select Inventory Groups** window. 3. **Add Additional Service Numbers** window. ![Service Number Wizard Add Numbers to Existing Block](https://cdn.us.document360.io/3f7f8ade-bcb1-4ec8-af25-0c0ad8601afb/Images/Documentation/69762.png?sv=2026-02-06&spr=https&st=2026-11-14T11%3A13%3A08Z&se=2026-11-14T12%3A13%3A08Z&sr=c&sp=r&sig=mRvHmgQu3%2B1yhfv9qmrRF3xR%2Fq0gBH5xrpxJ4pP48AY%3D) 4. Select **Add 10-digit service numbers**. 5. Add the number range for the new Service Number Block. 6. Select the **Add these service numbers to a block** check box. > [!NOTE] > 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. 7. Click **Next**. If one or more of the service numbers you are adding already exists within the block, a message is displayed. ![Service Number Wizard Existing Number Warning](https://cdn.us.document360.io/3f7f8ade-bcb1-4ec8-af25-0c0ad8601afb/Images/Documentation/69760.png?sv=2026-02-06&spr=https&st=2026-11-14T11%3A13%3A08Z&se=2026-11-14T12%3A13%3A08Z&sr=c&sp=r&sig=mRvHmgQu3%2B1yhfv9qmrRF3xR%2Fq0gBH5xrpxJ4pP48AY%3D) 8. Click **No** to return to the Add Additional Service Numbers window and modify your request. 9. Click **Yes** to continue to display the Blocked Service Number Information window. ![Service Number Wizard Blocked Service Number Information](https://cdn.us.document360.io/3f7f8ade-bcb1-4ec8-af25-0c0ad8601afb/Images/Documentation/69759.png?sv=2026-02-06&spr=https&st=2026-11-14T11%3A13%3A08Z&se=2026-11-14T12%3A13%3A08Z&sr=c&sp=r&sig=mRvHmgQu3%2B1yhfv9qmrRF3xR%2Fq0gBH5xrpxJ4pP48AY%3D) 10. 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. | 1. Click **Next**. This displays the Confirm New Service Numbers message. 2. 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] > Note > > The Service Number Block must be updated before the quantity of service numbers are displayed in the Service Number Block Search Results window.