How Telephone Number Plans Setup Fits in with other Setup Tasks

Telephone Numbering Plans define the telephone number format for a country. You can define multiple formats for a country depending on the requirements.

Phone number format, along with the other country-specific location information such as address and name formats, defines geographic-specific data formats. You can manage telephone number plans in the Manage Telephone Numbering Plans page.

The application uses the telephone number formats to display phone number in the appropriate style, and to validate phone numbers. You can define country-specific components of phone numbers, display format styles, and area codes. The application uses the phone formats to correctly parse phone numbers and determine the correct format style for displaying phone numbers in user interfaces.

The application validates phone numbers for a country, based on the format defined for the country. The phone numbers are also validated against a common set of rules that apply to all countries. You can also enter time zone information for a country, at the country code and area code level. The time zone information is validated against the time information defined for the country.