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Contact us

To speak with us call our hotline on 1800 555 937 or contact us.

If you are calling from overseas dial +61 2 8087 3190.


Optus 'yes' International

Call overseas from your mobile.

Calling overseas from your mobile costs less than you think with 'yes' International.

Get low rates 24 x 7 to over 230 destinations, so you can talk business or catch up with family any time, no matter where in the world they are.


'yes' International Factsheet

Commercial overview

Below are the rates for 20 of the most frequently called countries from Australia.

Country Code Rate per minute
China 86 $0.95
Germany 49 $0.52
Greece 30 $0.52
Hong Kong 852 $0.43
India 91 $1.23
Indonesia 62 $0.95
Iraq 964 $1.79
Italy 39 $0.48
Japan 81 $0.52
Lebanon 961 $1.35
Malaysia 60 $0.66
New Zeland 64 $0.29
Philippines 63 $0.75
Singapore 65 $0.45
Sri Lanka 94 $0.91
Taiwan 886 $0.95
Thailand 66 $0.95
United Kingdom 44 $0.36
USA 1 $0.29
Vietnam 84 $1.37

If the country you want to call is not listed above, please download our brochure for more details.


Optus contracts with customers either on an individual basis, or by way of a standard form of agreement (Standard Agreement). To view the Standard Agreement documents for Optus Business Mobile Services, please go to

Support overview

Mobile End user support

End users requiring support with using their mobile service, including actions such as turning on voicemail should contact 1300 133 334 Monday to Friday 8:00am to 7:00pm (AEST).

For service enquires, billing, incident handling and changes

To report an incident, log a service request or make enquiries please call your assigned service desk number, otherwise call 134 315, operating 24/7 for incident handling and Monday to Friday 8:00am - 5:30pm AEST for other enquiries. Email

To see other contact details for Optus click here.

Support FAQs

How do I use 'yes' International?

Ensure you have international dialling access on your mobile account (contact Optus Customer Service to set this up).

Simply dial the country prefix and the number you want to be connected to.

Billing FAQs

What number do I call for billing enquiries?

Please call the billing contact number on your invoice, your assigned service desk or otherwise call 134 315, Monday to Friday 8:00am - 5:30pm AEST for other enquiries.