I'm guessing you've already looked into silent.link ?

Bitrefill has US/NA eSIMS

Did you tried twilio?

Yes? There is Cloaked, MySudo, Cloaked Wireless... If trying to get a not VOIP partitioned PSTN Local/Mobile number for pesky websites demanding "real" numbers, then I had success with places like NumberBarn, but pricey.

Did you try https://hushed.com/

https://cloakedwireless.com/

For data? Sms validation?