I called them back after 4 missed calls from them. Refused to tell me who they were unless I provide my personal details so I hung up and blocked them

Caller: credit corp

Part of 100 number range allocated to credit corp scum , Hobart call number range , from call centre in the Philippines - don't answer ever , block the number and or the entire range 03 621798xx

Caller: (03) 6217 9869

Missed the call, called this number back and they absolutely would not tell me who they were but have the audacity to ask me to verify my details.. blocked these ludicrous people immediately.

Answered and they listened for a few seconds and then hung up.
Blocked

Caller: They wouldn't say

Wanted my details to clarify who I was... scam.

Caller: (03) 6217 9869

It’s a Company for Bay Corp and all of the money companies trying to collect outstanding debts they answered my phone call

Caller: I don’t know

Call originated in Hobart.
Hung up immediately.
Given comments here in this lookup site blocking the number.

Continually rings but never gives you chance to answer it. Ring the number and they refuse to tell you who they are.

I called back number (03) 6217 9869 spoke to a woman who said I've reached a switchboard but did not say the company name.