[pbhjpbhj]

There are several international lists too, here's a couple:

https://martinfitzpatrick.name/list-of-email-to-sms-gateways...

https://www.opentextingonline.com/emailtotext.aspx

[icebraining]

Do they work? For Portugal it still lists Telecel - which hasn't existed since '99.

[KekDemaga]

My list is accurate as of a year or so ago, or at least they don't bounce back when you send an email to them.