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Release: Australia · Updated: 2026-03-12 · Official documentation · View source

Create an area code

Create, review, update, or delete an area code by using the Telecommunications Network Inventory application.

Before you begin

Role required: sn_ni_core.inventory_admin

About this task

You can create an area code for a country code. You can assign the same area code to different country code.

Procedure

  1. Navigate to Workspaces > Network Inventory Workspace.

  2. Select the list icon (

Image omitted: ni-workspace-list-icon.png
List icon.\), and then go to **Administration** > **Area code**.
  1. Select New

  2. On the Details tab, on the form, fill in the fields as follows.

  
Area CodeCode that identifies a geographic region within a country or territory. It’s usually the first three digits of a telephone number. The purpose of the area code is to route telephone calls to destinations that are based on the location of the recipient.For example, in the phone number \(123\) 456-7890, "123" represents the area code.
Central Office CodeCentral office code that is also referred to as NXX. The NXX portion of a telephone number provides information about the central office or local exchange that belongs to a particular geographic area. Each central office code is related to a geographic location or service provider within the area code. For example, in the phone number \(123\) 456-7890, "456" represents the central office code.
  1. Add the attachments, such as the graphics or documents, by selecting the attachment icon (
Image omitted: attachments-icon.png
Attachment icon.\) in the right panel.
  1. Select Save.

    The area code is included in the list view of the area code.

  2. If you want to delete an area code, navigate to that area code, select the options icon (

Image omitted: options-icon.png
Options icon.\), select **Delete**, and select **OK** when you see the confirmation window.

What to do next

Create a telephone block, telephone number allocation, or telephone number. For information, see Create a telephone infrastructure.

Parent Topic:Create the components of a telephone number