ASIC's MoneySmart website details the $1.2 billion in lost shares, dormant bank accounts and life insurance that has not been collected across Australia.

There are 33 results on the website for accounts that contain 'Dubbo' in their name. The total dollar value in the accounts is just short of $45,000.

One association has $9108 that has not been claimed from the Commonwealth Bank of Australia.

Of the 33 results, 13 have more than $1000 unclaimed.

But, not all amounts are significant. The smallest unclaimed amount is five cents.

ASIC puts the "lost" money down to people moving often, moving overseas or it simply being forgotten.

Nationally, it includes $651 million from bank accounts, $435 million in shares and $84 million from life insurance.

NSW has the highest level of unclaimed funds at $388 million, followed by $203 million in Victoria and $113 million in Queensland.

ASIC deputy chairman Peter Kell said millions of dollars were paid to Australians in the last financial year, but there was more waiting to be claimed.

"Unclaimed money is transferred to the Commonwealth after it's been unclaimed, usually for seven years,'' he said.

"The money is managed by ASIC, it's always claimable by the owner and there's no limit on claims.

"Last financial year over $158 million was paid out to more than 25,000 people."

To check for unclaimed money go to www.moneysmart.gov.au and search the records.

If people find they have unclaimed money, they need to contact the relevant bank or other financial institution where the money is held if it is listed as "banking" or "life insurance".

If money is listed as "company", the owner needs to search the website to find out how to claim.