Telephone Dialling Codes & Service Provider Listings
Welcome to IDD, an Australian telecommunications information resource. We provide information on Australia's telephone numbering system, long distance and international direct dialling codes, telephone country codes, and comprehensive listings of telephone, mobile, internet, cloud storage, domain name and web hosting providers.
Telephone Numbering Plan
A guide to Australia's telephone numbering system with details on area codes, time zones, international direct dialling (IDD), emergency service numbers, and free call, toll free and premium rate numbers.
- Australian Telephone Numbering Plan
- Country Code
- Area Codes and Time Zones
- International Direct Dialling (how to call internationally from Australia)
- Emergency Services
- Free Call, Toll Free and Premium Rate Numbers
Telephone Country Codes
The world's telephone country codes (including satellite phones) sorted alphabetically.
International Dialling Codes
International direct dialling (IDD) codes (prefixes) by country. IDD codes are required to dial internationally out of a country. These codes vary from country to country.
IDD makes searching for telephone, mobile or internet services that little bit easier. We've done the research and provide listings of Australia's telephone companies, mobile service providers, ISPs, cloud storage providers, domain name registrars and web hosting providers.
- Telephone Companies
- Mobile Carriers
- Mobile Virtual Network Operators
- VoIP Providers
- Internet Service Providers
- Cloud Storage Providers
- Domain Name Registrars
- Web Hosting Providers
- Email Hosting Providers
If you're looking for specific a telephone, mobile or internet product try using the custom search feature on the top right of this page. This allows you to easily search Australia's leading telecommunications and technology websites in just one click.
While every effort is made to ensure the accuracy of the information provided on this website, IDD offers no warranties in relation to this information.