Call us

9.00am – 5.00pm, Monday to Friday, Sydney time

Complaints: 1800 138 422
Membership: (02) 9273 8455

Hearing or speech impairment

TTY (teletypewriter): 1800 555 677

Speak and Listen (speech-to-speech relay): 1800 555 727

Internet relay: connect to the National Relay Service

...and ask for 1800 138 422

Languages

Translating and Interpreting Service: 13 14 50

We’ll call you

MMS (Multimedia Messaging Service): mms “Call me, my name is [YOUR NAME]” to info@cosl.com.au from any mms enabled mobile device and we’ll return your call as soon as we can.

Complaints

Make a complaint online

Post your complaints form to:

Case Management Team
C-/Credit Ombudsman Service
PO Box A252
Sydney South NSW 1235

Fax us

Complaints: (02) 9273 8440
Membership: (02) 9273 8445

Privacy

For information about how COSL will handle your information, please see COSL's Privacy Policy