How does one go about getting an ADSL account checked if its not Xtra?

I'm with Paradise and have Jetstream Plus. Last billing month I went over my
10gb and had my connection limited back to 64k.
Yesterday my new month started and full speed resumed.
Today I was knocked back to 64k again, but have only used 160mb of data.
Paradise says its a Telecom issue and I must contact them.
Telecom says I must contact my ISP.

Stuck in a loop here.

Does anyone have a Telecom phone number that will lead me to someone who knows
whats going on?
I cant find any relevant numbers on their website or in the phone book..

Cheers
Chris.

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