Don't most spam calls/texts these days use fake caller/sender IDs anyway?
> It appears these companies have very poor anti abuse practices. When I contacted them for help they basically refused to reveal how my number was obtained
How would a service provider know how your customer obtained your number?
But you reporting that you're receiving unwanted calls/texts from one of their customers should of course still trigger some action on their side – if indeed that's the number that contacted you, per the above.
> It appears these companies have very poor anti abuse practices. When I contacted them for help they basically refused to reveal how my number was obtained
How would a service provider know how your customer obtained your number?
But you reporting that you're receiving unwanted calls/texts from one of their customers should of course still trigger some action on their side – if indeed that's the number that contacted you, per the above.