Create the components of a telephone number

Create a central office code, country code, area code, and rate center for a series of telephone numbers by using the Telecommunications Network Inventory application.

• Create a central office code
  Create a central office code to allocate it to an area code of a country by using the Telecommunications Network Inventory application.
• Create a country code
  Create, review, update, or delete a country code by using the Telecommunications Network Inventory application. A country can have multiple phone formats and phone validations.
• Create an area code
  Create, review, update, or delete an area code by using the Telecommunications Network Inventory application.